G80 rear end size. 1988 Chevy S10- 358 SBC/TH700R4/3.

G80 rear end size e. 5L F Code Diesel:ro) , 4l80E, 97 airbox, Autometer Ultra-Lite 0-35psi Boost and 0-1600 Pyro on pillar, Mechanical Wastegate, Gutted cat with straight through muffler, Feed the beast mod, Heath Remote Mount PMD, Nerf Bars, Diamond Tread Rocker Panel, 265/75/R16 Terra A/W's on 2500HD Aluminum Rims, Stainless Dec 7, 2018 · I live not too far from Buffalo, and I had a 2008 Colorado WT with rear wheel drive and G80, and it was OK for 98% of the snow situations as long as there was a least 200 lbs of sand bag weight in the bed over the axle + decent all terrain tires. Just wondering if that would be a factory posi unit. The bigger the ring gear the bigger the parts. 5" 6 lug semi float is the 9. Tire Size Calculator. Can anyone tell me specifically what brand diff it is such as Dana, Curie, etc. (rear) 275/35R19. 2 and 3. 0L 2021 Sierra Elevation 3. May 16, 2005 #16 GM G80 Gov Lock Differential Parts; Parts to rebuild or repair your GM G80 locking differential. 23 rear end ratio. 5 GM G80 Gov-Loc Parts (4) 9. A $75 lift gate service fee will be added to all orders being shipped to an address without a loading dock or forklift. Year Rear End Swap The 1967 - 1972 Chevrolet & GMC Pickups Message Board I found a 1990 Silverado with a G80 rear end the question I have is can I take the chunk out of the 1990 Silverado and put in my 67 with changing the whole rear end? Know WTF your talking about before you stick your Chinese made size 10's in your mouths! The 69 C10's  · Porsche use the same tires for RWD and AWD on the 992. where as compared to a after market locker like detroit or auburn its not even close. Full-Size GM Trucks Outsell Ford Apr 16, 2007 · 2006 ZQ8 Standard Cab K&N Intake, gutted cat, magnaflow single, tune Exelon 8017 DVD Head Unit Diamond Audio Hex S600s Components Front Diamond Audio D661s in rear custom box Oct 31, 2020 · Unless you like clacking noises, the full on locker is a bit much but the limited slip does the trick. 2020 Genesis G80 3. Good video to watch Hey guys my 02 Tahoe has a GU6 3:42 rear axle with the tow package. GM G80 Gov-Lock 8. Jun 19, 2008 · GU5 is a 3. 5 full floating rear axle and a 9. 73 differential because of multiple issues. '85-'87 SS's had 7. I was thinking about researching if the F87 M2 rear calipers will bolt up, but haven't gotten the time. 2L VIN 5 w/ZQ8 truck. I have a spare G80 carrier. 0" G80? Feb 27, 2012 · GM RPO Codes, Z stands for Suspension, Z71 Off Road, Z85 Heavy Load Firm Ride. Spline is the same - 28. 6 mm) cross section. 6 rear in a junkyard lol. The rear end of G80 driving on the highway. So I’m wondering what size it is so I can order a new rear diff cover. Save Share Mar 23, 2012 · My truck has the G80 rear end (3. 73 ratio) and has about 45000 miles on the original fluid. I assumed from reading through the forum that most Silverados, even the 2500HD, came stock with 3. This is a complete teardown of a 10 bolt rear end for the GM trucks, let this thread be a guide for you. Jul 21, 2006 · G80 is a Gov-Lok (a type of positraction) (look it up for more info) if G80 is not mentioned, it is likely an open-differential. V8 FLEX OHV Naturally Aspirated: With 8. Feb 26, 2012 · My g80 exploded locking the rear end, jamming the tranny and me stomping on it like a jackass didnt help. Save Share 86 s10 what size rear end, 2. 5's with 3. boxes. 3L, 3. Aux Fuel Tank Capacity (gallons) NA. 6", 9. I bought the E-brake cables for the Blazer, because both vehicles Dec 29, 2019 · S10 2wd pickups with 4 cylinders had the 3. 5 that won't accept the Eaton Mlocker (G80). 2. 42 - available on V6 & Diesel, required for tow package, standard on Z71. 08 axle ratio with the G80 locking differential. Rear end pulled from my 01 GMC sierra 1500 3. 5" 14 bolt g80 locking diff. The use of any additive in locking rear axles (G80) is not recommended. 0 and 8. Battery w/Run Down Protection. Why Buy Tires Online? Tire Deals/Promos Readers Rides Contact. G80: This is the limited-slip differential, often linked to Feb 23, 2005 · If so, loosen the 13mm-1/2” cover bolts and drain the gear oil into a suitable container. Most sites say the spider gears kits are specifically not for the G80 Gov Lock type. The "bolt" count, does NOT refer to the number of bolts on the rear end cover. '13 SLE 4x4 Ext Cab 5. There are better, stronger parts available such as a TrueTrac for around $400-500 Despite all the G80 hate, its not a bad differential if you drive sensibly lol. 0L '08 Avalanche LTZ 6. 73 ratio. 23 RATIO GU6 -- AXLE GM 9. Joined Nov 18, 2004 Messages 1,965 Location Kitsap, WA. 5″ Semi Floating 33 spline G80 Differential. 3. Jump to Latest A forum community dedicated to GMC and Chevy full size owners and enthusiasts. More posts you may like r/askmath. For GMT vehicles, don't think GM provided a limited slip differential. 6" the RPO code will tell you the ratio and if you have a limited slip or not (If it is still stock) i. 10 ratio is also available. 245/45R18. Install a whole new axle assembly with a locker and a 3. 10 G86: Axle , Rear, Limited Slip: G87: Dec 23, 2023 · G80 means different things to different vehicles. G76 Rear Axle (Posi) G80 Positraction G81 Positraction (Rear) G86 Limited Slip (Rear Identify your GMC or Chevrolet rear end gear ratio by the RPO Codes, usually located on the placard labeled “Service Parts Identification” inside the drivers door panel or glove box. 5 inch rather than a 7 5/8 as long as I am swapping the whole thing it will be OK right? 3. Wheel and tire fitment data. Part Groups. Mechanic's Assistant chat. 5 / 9. Jump to Latest G80's are junk and always have been they are stronger in the larger diffs bit I don't like how they shock load themselves to operate and disengage at such slow speeds. 73s but I had a feeling the truck came with posi because of the burnout Before you enter into a chorus of explaining which rear end you'd choose because the G80 is crap. Reactions: Skandic900 and Icutmetl. So does anyone know which size my Ring gear is? Or if not, how I could go about IDing it? If any other info is needed, please describe. Oct 3, 2015 · there is suppose to be a small amount of play in the shafts/ until they just touch the center pin. Your email address will not be published. 42 9. 2L '11 Caprice PPV 6. . I noticed it will bind in reverse. Eaton Detroit Truetrac Differentials 913A481. 5 5. yes i will be un bolting the open carrier and then bolting on the g80 carrier to the ring gear. For the G8X, BMW's goal is to vary the tire sidewall height (for all the reasons described in the video) while maintaining tire diameter. '83-'84 SS's had 7. I have the next week off and I'm entertaining the idea of changing the differential fluid. Do i need the whole enchelada (meaning a whole new rear axle) or just some internal swapping? There's a gear kit that's $310. Save Share Reply Quote Like. Nov 13, 2024 · The Electrified G80 has returned with a refined and comfortable rear seat, befitting its role as Genesis' flagship electric sedan. Yours however is the 8. 42's and TH-350's. 6" rear are the same bolt pattern, but the 8. 'G80' is present in the glove compartment codes, meaning that I have a G80 differential. Yes - thanks to all but I'm asking about axle size and model. If your doing it for 4x4ing go to richmond gear. Here, the package engineer gives us an in-depth explanation of the rear seat space in the Electrified G80. 8. Jan 27, 2019 · To correct this condition, drain and refill the rear axle with SAE 80W-90 GL5 (P/N 10950849). As for gear ratio, you may notice the 3. G80 for GMT = an open differential that locks if one wheel spins quicker (slower?) than the other by more than 100RpM. 5 / 8. 42 G80 Z82 Z60. clutches, steels, clips, governor parts and many times the side gears and spider gears that are worn, just get a Nov 28, 2024 · Genesis G80 is a mid-size luxury sedan equipped with advanced safety technology, the latest in performance and specs, and an elegantly dynamic exterior and interior design. 1,000's of trucks make it 200k+ miles on their factory G80, but If you beat on your truck they do have a reputation of blowing up. G80: Offers wider rear track dimensions, improving grip and stability on the Jul 12, 2017 · Install a whole new rear axle assembly that features the G80 locker option (same ratio). 26,100 miles Webasto moonroof, Lew tune, Michelin Def LTX 275/60/20 Jan 12, 2010 · Avalanche: 2002 - 2006 (Rear) SSR: 2004 - 2006 (Rear) Suburban 1/2 Ton: 2001 - 2007 (Rear) Tahoe / Yukon: 2000 - 2006 (Rear) Trailblazer: 2002 - 2007 (Rear) How much could GM have POSSIBLY saved by getting AAM to design a totally unique 8. These codes are typically located on a label inside the glove compartment or on the driver’s side door jamb. Tags g80 rear differential rear end shudder shutter. Jul 2, 2024 · Rear End Rear Axle 10. 5 GM G80 Gov-Loc Parts (2) 11. SIZE: 0. What I do know is that the K1500 4WD trucks are usually 6 lug and their rear ends aren't a direct swap. 63: If you are unable to find the GM RPO Codes Label, a Jan 15, 2011 · Silver Metallic, 5. 73 Rear Axle Ratio. 73 - GT4; Limited Slip Differential (Posi) G80; 13 x1. and im currently replacing the G80 in my 04 collie the a spider gear went and jamed the internals its my daily runner so im not doing an upgrade oh and gm does warrenty As I bought the vehicle, I have the org purchase sheet an for the rear, it lists is as a G80 Positraction Axle, with a GT4 option of a 3. Inside the Eaton Mar 7, 2023 · G80 Rear end shudder - Only when accelerating and turning from a stop. 6 GM G80 Gov-Loc Parts (3) 10. Look for the code G80. General Motors offers the Eaton G80 automatic locking rear differential on all its body-on-frame SUVs and trucks – either as standard equipment or as an optional extra. This is a common misconception. 42 posts · Joined 2012 Add to quote; Only show this user #1 · Jan 5, 2013. if theres rear end doubts I won't waste money on the Z71. 73 I recently found my left hand rear axleshaft to be bent, so I popped off differential cover to find my spider gears to be in horrible condition. 5". S. 10 Ratio GT5 G80 HVY Fits 99-07 SIERRA 2500. BMW M3 G80/G81 Facelift [2024 . In RWD the rear end still wants to swing out on turns, but moving from a stop wasn’t really an issue even when I had bald tires on it. I saw a post on here stating that if you had the g80 rpo code that when one wheel spins the truck will lock them both up for a short time so both Find tire sizes for each 2020 Genesis G80 option. Most other platforms simply ditch their G80’s in favor of something stronger. Thanks for any help. 10 ratio. The tow Oct 26, 2008 · I have a 2003 Chevy 2500 Duramax supposedly have a G80 rear end. Jump to Latest 4K views 17 replies 7 participants last post by makoda Jan 6, 2013. Forward Collision Avoidance detects collision risks with vehicles, pedestrians, and cyclists ahead, warning and Feb 15, 2015 · what rear end is this EGJACO axle code - Ford 2003 F-250 Super Duty question. If you don’t have the G80 code you don’t have the locker. 5L come with? Also im assuming its a non posi, what vechiles at the JY can i take a posi from and put it in my truck? What size spine axels do we have? My 88 Dime with the 2. I used to do extreme off roading and had a 73 Blazer with a one ton 14 bolt in the rear and a 1 ton Dane 60 in the front and both had 4. 063 inch (1. The rear differential is a component that makes a 2WD pickup venture into 4x4 territory with more control and confidence. Remove the brake drums by tapping firmly around the rear edge while pulling outward. but still needs weight in the back end to keep both tires from spinning if not in 4WD. Dec 4, 2017 · Make sure the rear wheels are both the same size and with the same amount of tread wear. Leave a Reply Cancel reply. 0L Duramax Aug 25, 2013 · Hi I am in the market for a complete wheel to wheel assembly for my 2002 s10 4x4 G80/GT4 3. 73 will make the truck accelerate a little nicer, make it feel like a "lighter" truck. 62: G76: Positraction Rear G80: Axle Positraction, Limited Slip: G81: Axle Rear: 4. Feb 9, 2019 · Anyone have a clue what is the ring gear size for the RPO is G80 just says posi and GTS is the ratio 410 ? i need this for the correct pinion seal . 73 w/G80 w/ZQ8 rear end swap into my 2000 S10 2. ha. The G80 uses Any 75W90 oil with no Additives. 4 SFI (from a '94 Camaro), T5, 3. 56 RATIO . Jan 12, 2018 · The foot end of the C clamp with a notch cut in it, slide it in. G is for Rear end gears, G80 3. master technician at herb chambers honda of seekonk. 819 inch (20. Each carrier is totally disassembled, cleaned and then all the parts are inspected. If you are planning an V8 swap, and a Colorado Jan 9, 2025 · Wheel size, PCD, offset, and other specifications such as bolt pattern, thread size (THD), center bore (CB), trim levels for 2024 Genesis G80. 6″ (8 5/8) 10 Bolt 30 Spline Posi Differential $ 399. Bought new. Save Share Reply Quote A37 b71 cj3 cwt c6w de2 eva e63 ft2 rt3 gmc gt5 g80 hvy jhg kc4 knp kup k47 k68 cq4 mt1 na4 nc1 ne1 qiw r6p r8k r92 saf scm tr3 um7 uq5 u01 v63 vt4 vx5 443 v73 x6k What size rear end did a 1988 s10 with a 2. 10 ratio GU6 Rear axle, 3. 25" ifs diff up front. 4. RPO Axle Type G76 Rear Axle (Posi) G80 Positraction G81 Positraction (Rear) G86 Limited May 4, 2005 · G80 rear end swap. This rear end provides improved traction by automatically engaging when wheel slip is detected, transferring torque to the wheel with a better grip. Trucks use a G80 Locking differential, not a limited slip. 73 Gears and G80 Heavy Duty Locking Rear Differential, American Racing Off Road Series ATX Chrome Assaults 17X8, BFG T/A KO's 245/70/17 (Stock Size). I have the next week off and I'm entertaining the idea of changing the differential Mar 28, 2018 · Some had the 7-1/2 - 7-5/8" rear axle, the K1500 would have the 8. modernauto63 (9299) 98. Come join the discussion about Silverados, Sierras, and other full size trucks performance, modifications, suspension, lift kits Aug 4, 2022 · When it comes to upgrading or swapping the rear end in your Chevy, understanding the differences between the GU6 and G80 rear ends is crucial. Z71, Ext Mar 23, 2014 · Hi I'm newer to the forums and I was wondering if it's possible to convert a open diff (non-G80) to a LSD or G80 and if so what's the cheapest and easiest way. Reactions: jd33173. 73 aam 11. Axle Rear: 3. Astro/safari is what I have. Today I finally took the time to read my RPO codes in the glove box and came up with these two: GT5= 4. Alpine ida-x303 head unit, Alpine Power Pack, Alpine SPS-600 Speakers Viper 350HV car Alarm Coverking Neoprene Seat Covers 42" Slider Windows May 9, 2017 · Rebuilding a G80 rear end is no different from rebuilding any other rear end. Memory is that Dana is the manufacturer. My truck is a '97 K1500 with the 14-bolt 3. Like @Bextreme04 said, by the time you purchase all the parts. But good luck finding a Colorado 8. The 8" is a weak design when paired with the g80 I'm looking to see what's involved with a DIY upgrade to the G80 Mechanical Locker, and i'm a little confused as to what all i need to get it done. Since I put in 960 rear never broke Nov 26, 2021 · The most reliable method is to look for the Regular Production Option (RPO) codes. Save Share Like. 3 2wd Blue Granite Ext Cab, Leveled, BlackBeared, 33s, Method NVs, CAI, and Lamin-X. No international If you just need a case, then these reliable, quality-built differential cases from G2 Axle & Gear are your answer! Most Helpful Reviews Review This Product 2 Customer Reviews for G2 Axle & Gear 46-2022 - G2 Axle & Gear Differential Cases Average Customer Review 5 Star 4 Star (0) 3 Star (0) 2 Star Wheel size, PCD, offset, and other specifications such as bolt pattern, thread size (THD), center bore (CB), trim levels for 2025 BMW M3. The G80 is a Mechanically Locking Differential that engages when one wheels spins at a certain RPM mechanically locking the differential together. Both models have their unique setups, and knowing the differences can help enthusiasts make informed decisions about modifications and May 29, 2004 · 96 S10 Blazer 4X4 GU6 7. 18 Rotors, No Active Brake Control; Unit Filled with Fluid; Has Backing Plates & Axle Shafts; Rear Axle; Product Type: Aug 9, 2023 · I asked Chevy/GM for the build sheet hoping to see the size of my rear differential as one of the codes. Step 2: Inspect the Differential Cover I believe the axle is a G80 on the 1500 with locking rear axle. That's about all you can do with an open diff. Feb 21, 2024 · These RPO codes are used to idicate a specific type of differential and/or ring gear size. I have had to go tow out my wife with her 4wd Jimmy on two occasions and my neighbor with her 4wd Ford Sport Trac once. 5" Rear Axle and 3. These were my winter wheels/tires. Depending on the weather (rain) and road surface, the rears would lock up. I am removing the factory G80 Differential, automatic GT4 Rear axle, 3. Have a 4x4 May 12, 2023 · Understanding G80 Rear End. SOLD '99 S10 Jan 23, 2019 · These RPO codes are used to indicate a specific type of differential and/or ring gear size. Apr 27, 2015 · The G80 is a specialized differential designed by Eaton to work as a low-speed traction aid, offering full lockup during its operation. Rebuilt GM G80 30 spline Heavy Duty GM 8 5/8-inch locking differential Details. The covers on the GMT360 8. Jun 18, 2021 · As the title states, I'm wanting to know if the g80 in the newer trucks is as prone to detonation as its predecessor, the 10 bolt g80. A forum community dedicated to GMC and Chevy full size Nov 3, 2018 · Not sure of the issues with G80 of old, but this G80 is specific to the mid size twins. 5 has a non G80 7. As far as I know there have been no changes to the rear end of the 2500HDs. Find the correct windshield wiper blade size for Genesis G80 from 2017 to 2020 production years. The old side bearings are removed and a new set of side bearings are installed along with new Rebuilt GM G80 33 spline GM 9 1/2-inch locking differential Details. Nov 23, 2017 · To find out what gearing you have and if you have a locker, the easiest way is to just open your glove box and look at the RPO codes. RPO Codes: G80: Axle Positraction, Limited Slip: G81: Positraction Rear Axle : G82: Axle Rear: 4. ¨ Optional Equipment (G80 Order Code) on all GM two-wheel and four-wheel drive light trucks and sport utilities. This rear end is pretty neat. W. 3 V6 And also, would 75w-90 gear oil with no LS additives be okay to use? Sep 16, 2005 · I have an 02 2500HD LT Crew Cab long box with the 6. 73, Lock Right. 5" ring gear K2500 axle with six lug axle shafts. 5", 10. Has noode thing to do with the width of the rear axle housing or axle, the axle is shaft that goes through the axle housing where the ring and pinion set, G80 is not the code for a locker, just the gear ratio. At 460 ft/# torque, that is what the old 6. 5" ring gear size. If you want to keep it a simple replacement process stick with a Bravada rear end. 73's and 200-4R's. Eaton Detroit Truetrac Differentials 913A481 Differential, Eaton Detroit Truetrac, Limited Slip, 30 G80 Locking Diff 3. Reactions: 16WhiteColly. Jan 4, 2013 · g80 rear end. 2 quarts, depending whether the rear end is 8. I read a lot of posts but I can't get a direct answer. Filter by Availability Filter Results 2002 CHEVROLET SILVERADO 1500 Individual Parts. Limited Slip differentials are primarily used in cars and mostly performance Apr 30, 2014 · DO NOT use a limited slip additive. G80 is Limited Slip, GT4 is 3. 0" should be fine. 73? I guess that is good! Need Full Size Truck Service Manuals? Get them Here! FAQ Threads '02 TB EXT 4. The recommended windshield and rear wiper blade sizes for Genesis G80 for the 2017 to 2020 production years. 31 ratio out of 960 wagons before 95 should have solid rear I think. 0" setup used only for the SWB I6 GMT360s? And Eaton to do a special 8. 73s. It had about 36,000 miles with a couple of years towing the race car to the track since the last change, so I thought it was time. Mar 6, 2020 · When the snow gets too deep here the 2wd w/G80 Colorado is the preferred vehicle. Driver side. take a second and watch the video below. there is no dimension noted for mounting the pinion shaft to ring Ted G. 1 2 Next. DDM HID (high,low,fog). I'm stepping up to a 10. Jul 19, 2012 #5 95C1500 ┌П┐( _ )┌П┐ G80 -- AXLE REAR, LIMITED SLIP (POSITRACTION) HC4 -- AXLE REAR, 4. In. Search Fixya 73 RATIO GT5 -- AXLE REAR, 4. 6" housing is a little Apr 25, 2010 · Here's a listing of the performance oriented rear axles as offered from the factory in various G-body vehicles. 88 gears with Detroit Lockers in them. 91 Axle Ratio. Jun 28, 2021 · I am trying to change the fluid in my differential. This page may contain affiliate links marked with. Thanks . Read more about our disclaimer. 2026] M3 Competition xDrive (3BA-­32AY30) - Link comes to the calculator page for comparison - Steel wheels OE - Original Equipment - Tire Pressure - Front 2002 CHEVROLET SILVERADO 1500 Differential & Rear-End Components. 5 Can I just swap the G80 into the original housing without replacing the pinion gear? My goal is to have a Posi rear end with the same gear ratio. 1996 Chevy Silverado 2500HD, RC LB, 4x4, 14 bolt FF 3. r/askmath. im considering a new Colorado. S-10 leafs-G80 rear w/3. This subreddit is for questions of a mathematical nature. Once disassembled, we check for the following: setting the internal end play back to within GM specifications. The G80 is available, inexpensive, and untapped. Apr 27, 2015 · General Motors offers the Eaton G80 automatic locking rear differential on all its body-on-frame SUVs and trucks – either as standard equipment or as an optional extra. I don’t know about you, but I like both of my rear wheels to lock up when I need them, so a rebuild was in order. 73s but I had a feeling the truck came with posi because Dec 5, 2016 · The condition started getting worse and I started thinking "rear end - I better look into that". 5 turbos put out and they ran that through Wheel size, PCD, offset, and other specifications such as bolt pattern, thread size (THD), center bore (CB), trim levels for BMW M3 G80 [2020 . That's my concern. A LS diff has to have the additive in it for the clutch packs to function properly. On top of that, you don't really know its condition. Personally being up north, there’s been plenty of times where I wouldn’t have left my house if the truck didn’t have 4wd. Top 3% Rank by size . even though my trucks sit stock height, run pavement and even stock size tires. Limited Slip differentials are primarily used in cars and mostly performance cars Jul 10, 2017 · The G80 and a LS Diff are 2 completely different animals. It's got a G80 rear end. Here’s a breakdown of what you need to know: Specifications: GU6: Typically a standard open differential; found in many Chevy models like the S-Series and Blazer. Jan 23, 2018 · 8 lug semi float is gonna be a 10. 5″ (8 1/2) 10 Bolt 30 Spline Posi Differential; GM G80 Gov-Lock 8. Btw, this is on a 1999 Chevy S10 LS 4wd with the 4. The G80 has some posi-trac clutches, but for the most part acts like an open diff when it is not locked. 5" ring. 08 posi, built 383 stroker, TH400, 13" towing converter, 26mpg highway, 22 city, daily Feb 3, 2019 · Ya volvo put whimpyier rear in 960. If anyone has the info, please send it my way. 73 ratio GT5 Rear axle, 4. with that said the G80 is a POS. 3234 Harvard Dr, Carson City, NV 89703. Especially when you plan spirited driving. Dec 14 Jan 18, 2015 · My G86 positraction rear differential just blew out. Sort by Oldest first Oldest first Newest first Most reactions. 6" ring gear? I think the diesel off-road package with the 3. ocala Discussion starter. and about as worthless as dental floss at a willie nelson concert. I just saved myself A LOT of money. cab 3. Read More Ram 1500 Lug Nut Size. the rear axle may jerk and such or not lock/ stay locked and chirp around corners. Mar 7, 2023 · G80 Rear end shudder - Only when accelerating and turning from a stop. Detroit lockers are my favorite. 73 ratio axle. I am changing the rear wheel bearings. 5 RAXP0112A 07-2008 8(EngVIN), 6. No P. If you find it, congrats! Your vehicle has a G80 locking differential. 625 - 10 Bolt Cover; Ratio 3. I'd suggest having a G80 put in your rear end, by the time you find and buy a new rear with a G80 you'll have spent almost as much. 75" front axle. Mar 12, 2011 · So today's activity was to change the gear oil in my rear diff. they definitely didn't like big tires. Looking forward for your expert/experienced answer. 73 Gear Ratio Sep 15, 2018 · Please don't take this as Gospel but I think a Sub rear end will fit your truck. i rarely ever notice its even there is 2wd, even on wet roads it rarely ever kicks in, i judge Aug 12, 2016 · G80 rear end binding in reverse (I THINK) Jump to Latest 11K views 40 replies 9 participants last post by BALLSS Aug 17, 2016. My service manual lists various fluid capacities between 2. Master cylinder bore size, proportioning valves, parking brake cables and other things are different for disc and drum brakes. The old side bearings are removed and a new set of Timken bearings are installed along with new Jun 28, 2012 · The code G80 would mean it has the limited slip diff . Make sure the pressure in both tires is the same. 0 V-8, 4-speed auto, and the locking rear differential (Eaton G80). 1986 Chevy C20- Banks Apr 10, 2019 · You can have a Rear End Specialty shop change the ring and pinion to get the 3. The OEM differentials--open or Gov-Bomb-- SHATTER for no special reason. If i go off road in any type of sand I am stuck I live in the dessert so sand is everywhere. Jan 23, 2023 · RPO G80 is the code used to refer to the rear lock differential by GM. C-clips coming out isn't a cool experience. heavychevy1/2 Discussion starter. Aug 23, 2024 · The code in the glove box says it has a G80 rear end. Some knowledgeable DIY 700/900 owners have been swapping over both axles from a G80 740/940 when fitting the G80 in their earlier 740s. 26 Satisfied Customers. Is there a G80 code in the glove box? If yes, you have a limited slip GT4 just means you have a 3. 2004 Chevy 2500hd 4x4, EFI dsp5, diamond eye 4 in straight, erg plate, pcv reroute, lbz mouth piece, all on headlight mod. Jordan. No shipping outside the contiguous 48 states. In a stock I6 AD, the VERY plentiful 8. Jack or lift the rear end after loosening the rear wheel lug nuts. 73’s 2” body lift w/Falken Wildpeak AT’s. 0. With 8. Freight shipping is available to any address within the lower 48 states. 69 Z11 03D Van Nuys 82 Z28 Gordon Johncock's Pace Car 97 30th Z28 6 speed vert 1 of 175 A Pair of Huggers at the Car Show. Over 20-something MpH, you don't have a G80, just an open differential. Learn More . I am removing the factory G80 differential and 3. 73 Gear Ratio: 2008: Chevrolet: Avalanche: LS Crew Cab Pickup 4-Door: 5. 99. Original equipment and alternative options. It's insane to put ten cents into a ten-bolt under a full-size pickup. My '74 Olds has a G80 clutch-type posi rear-end. 5 and a locking rear diff. Complete Rear End Assembly w/ Brakes. Rear axle additives are designed for use in limited slip differentials which are normally installed in cars. Just rear axle differential bolt patters and everything from the Dana 40 to a 14BB will show up. Top. Apr 27, 2015 · The G80 rear locking differential has been a standard for Chevrolet trucks, and we take a look at the system employed on the 2015 Silverado and 2015 Colorado. 5/8. 3L '07 TB LS 4. 73 gear ratio Comes with everything in pictures Rear cover was just replaced Also have a stock aluminum driveshaft for a 4l60e if you need one G80 GT4 rear end - Car Engines & Engine Parts - Cecilia, Kentucky | Facebook Marketplace Jan 14, 2025 · Assuming that the rear end previously has not been swapped or modified, you can use these plates for accurate identification of your rear end / differential. As was greatly debated in the wheel diameter thread, I am of the opinion that the end goal of BMW and Porsche are different for using different front and rear wheel diameters. 5" or 11. 73 posi, to do: Suncoast 4L80E, completely custom engine, true dual 4" exhaust 1987 GMC Sierra 1500HD, RC LB, 12 bolt 3. 625's with 3. P. Did some reasearch, learned about my differential, and figured that's the problem. Jan 13, 2025 · The stock axles from a 1041 G80 rear end in a G80 equipped 740 or 940 are a bit shorter (and also fatter) than the stock 1031 axles in a pre-G80 car. What’s more, 4WD is not The G80 rear locking differential has been a standard for Chevrolet trucks, and we take a look at the system employed on the 2015 Silverado and 2015 Colorado. 5 rear end with the 3. 8. Not when a flux core welder is only $75 on craigslist. 42 ratio Driver selectable means you have to turn the locker on and off manually automatic the locker engages when it sense wheel slip Generally G80 are frowned upon and avoided. 42 gears making way for an upgrade. I don't see a G80 on there, that's the RPO code for a posi rear differential. 2L 8Cyl V (376), AWD, Limited Slip Differential (Posi) G80, Match Front Axle !! Unit Filled with May 21, 2009 · This is a complete teardown of a 10 bolt rear end for the GM trucks, let this thread be a guide for you. Also, the 8. Oct 23, 2022 · GMC G80 discount rear end problems. If I get down to the junk yard and the rear end that I am going to pull is say a or a 7. Yesterday I noticed after climing a grassy hill that I left a single spin mark/track up the hill. Just use the specified lube for the rear end. 73 ratio, but that rear end won't work for a number of reasons. Hey all, Still working through my new Roadmaster. 73 Gear Ratio: 2008: Chevrolet: Avalanche: LT Crew Cab Pickup 4-Door: 5. 08 RATIO GU5 -- AXLE REAR, 3. To the best of my knowledge GM never offered an LSD in the GMT800s (or any trucks), only the automatic locking rear dif. 73 or a 4. Nov 4, 2008 · For example, theres a 14 bolt rear, with a 9. If my ring and pinion gear are OK and it's just the carrier itself (i. I used to run welded rear, broke a bunch of axles. What’s more, 4WD is not 5 days ago · The most inclusive G3 rear axle information on the internet! If you have any questions, comments, or corrections, feel free to PM one of the Admins. Dec 3, 2022 · Originally, I was using stock size tires on ZQ8 wheels (235-55-16). You need a "light duty" 14-bolt 9. 10 RATIO GU4 -- AXLE REAR, 3. 20 years auto repair experience, ASE Master Tech, Mechanical Failure consultant, Expert Witness I'll exaggerate to make a point: A ten-bolt axle is totaled when it needs the gear lube changed. However, like any mechanical component, the G80 locking differential can experience problems over time. 5" carrier and i hafta say i think the G80 is great, for a factory extra. On my way home to do some research, as I was making a u-turn and felt and heard a LOUD "clunk" from the rear end, and then what sounded like something rubbing back there. I took a couple of pictures with the Aug 13, 2004 · The use of any additive in locking rear axles (G80) is not recommended. Michael Koster. 73 for 3. My '13 GMC 1500 has a G80 locking rear-end. 5" GM doesnt use posi-traction in their trucks. 73 axle ratio has a 9. Grab ring and pinion and better 1041k G80 and put in your 240 What I do is take whole rear end and just bolt that in my 740. I still think you should get a full floating rear axle of some kind. Someone said to grease the new. A forum community dedicated to GMC and Chevy full size owners and enthusiasts. Not saying you can't make one work, but way not worth what it would take to make it work. 1 2 The half-ton 1500 units get a lighter duty version for the smaller size differential housing. H. just buy a regular truck and upgrade to a posi unit later on. Not all applications will have one of these codes but when they apply, they will be listed in addition to an axle code found in the main RPO axle code list below. The list below is a partial list of typical GM RPO Codes, specifically the codes pertaining to Axle Identification, Differential Type and Gear Ratio. 4% positive; Champion Performance Rear End, Axle Parts for GMC Sierra 2500 HD, Rear Car & Truck Axle Housings & Parts, Chevrolet C-10 Cars, Chevrolet S-10 Cars, Sep 29, 2015 · G80's came in every trim level, you don't have to look for just Z71's (they aren't any stronger then a standard trucks axle). I asked her to check a VIN from another 3500 van with a 9. I don't know why people would say not to rebuild one. They come with a mechanical locker that acts like an open diff when the wheel speed differential (difference between left tire and right tire) exceeds 200 RPMs. Remove the rear wheels. Yes get 1041k 3. sounds like its more of a suspension component then your real axle. Adding power The bolt pattern will tell you what differental you have. Jul 20, 2012 #8 What ring gear size do I have? jmccracken1214; Dec 13, 2023; Axles + Brakes; Replies 7 Views 3K. G80 Differential, heavy-duty locking rear Important: Installing any friction modifier causes the clutch pack in the locking differential to slip and miss engagement. Mar 13, 2015 · G80 Rear End Clunking. '84 S10 4X4 st. The G80 rear end refers to a specific type of limited-slip differential used in certain vehicles, such as Chevrolet and GMC trucks. Forward Collision Avoidance detects collision risks with vehicles, pedestrians, and cyclists ahead, warning and Oct 1, 2012 · Rear end size??? Jump to Latest How do I tell what rear end is in my truck? Not the gearing, the rear end. com and get a full locker and the G80 works by centifigul force so after a certain speed it does lock up but not to good 4x4ing. Come join the discussion about Silverados, Sierras, and other full size trucks performance, modifications, suspension, lift Nov 11, 2011 · If you lok real close on the end of the pinion gear it will have the tooth count on it too. 08s the fun truck. 105 posts · automatic locking rear G80 Differential, heavy-duty automatic locking rear G80 Differential, limited slip rear G80 Differential, limited slip Rear Axle; fitment-notes: Block Cast # 8. With a socket or short piece of pipe on the swivel foot of the clamp gives room to push the piece out. 8 Sport (front) 245/40R19 Tire Size Tools. 56 G84: Axle Rear: 4. I am looking for a skid plate for the rear diff but need to know specific branding so I can search for the correct one (if Dec 13, 2007 · 96 GMC Sierra 2500 x-cab long box, 6. 96 from GMPartsDirect: bought a GU6 G80 axle today eugene oregon Pick N Depends on the cost of the G80. G80 Locking Differential Rebuild Kit . forrestmccarthy I am merely driving my van Posts: 12 Joined: Wed Apr 10, 2019 12:55 am. Contact Us. Jump to Latest 21 - 40 of 66 Posts. My ring and pinion was perfectly fine, but swapped it for some 3:73s and true trac Come join the discussion about Silverados, Sierras, and other full size trucks performance, modifications, suspension, lift kits, tires, maintenance, and May 13, 2018 · I have a 2001 1500 4x4 with the g80, tires are 285/70r17 BFG AT KO2s. May 22, 2022 · Exploring the Rear End Specs of GT4 and G80 When it comes to high-performance vehicles like the GT4 and G80, understanding the rear end specifications is crucial for tuning and maximizing performance. The lady at a Chevy dealer parts counter told me I have a 9. 6" rear axle. playswfire 2000 Silverado 1500 4x4. (the availability differed on the Canyon, but it was required for the tow package, standard on the All Terrain. the spider gears) , can I use the G80 in the G86 differential? Aug 1, 2010 · Today I finally took the time to read my RPO codes in the glove box and came up with these two: GT5= 4. and carrier? i have a 14 bolt diff and 9. ) Tired of getting stuck because of the posi rear end. 73 rear end if that makes a difference. What I'm saying is, let's say one rear wheel is on pavement and the other is in mud/snow/ice. A fluid flush can often remove debris that is a contributor to clutch chatter. Full-size van would be the same as the K1500. Out of stock GM HD G80 Gov-Lock 8. The half-ton 1500 units get a lighter duty version for the smaller size differential housing. 14881 posts · Joined My G80 quit some time ago. I have a G80 Gov lock rear end and am having trouble finding a spider gear replacement kit. Totally different mechanicals but the Can you share with us piston sizes for the new and old calipers? I am curious why the rear calipers are being moved behind the rear axle point? Ideally, the unsprung weight needs to be kept between the axles for better performance. Please read the subreddit If your current vehicle is not a G80 optioned vehicle this rear-end will still work for you and be an easy upgrade. The G80 is an automatic lock Dec 5, 2012 · No, that is not what I'm saying; it will do that automatically, as soon as the rear wheel speed sensors detect a difference in rpms. The Ram 1500 is a light-duty truck that has a lug nut size of 22 millimeters. 3 6sp 3. 5" ring gear size, and theres also a 14 bolt, 10. #2 · May 16, 2009. Jul 12, 2017 · OK, so I'm hitting a wall trying to locate the G80 parts. As always use common sense at all times, some of my methods may differ from yours. Topic author. I don’t have an issue doing any of the rear end rebuild. 2094 posts · Joined 2011 Add to quote; Only show this user #1 · Aug 13, 2016. 07-2014 Coil(RearSpringType), RWD, DiscRear, GU6 Ratio Option, G80 Positraction Option, 14 Bolt Cover, Has Backing Plates & Axle Shafts, Unit Filled with Fluid, Rear Axle 3. When in normal conditions, the unit acts as an open May 22, 2022 · GT4: The rear end dimensions are typically more compact, ideal for high-speed maneuvers. 5 liter motor, what gear ratio. The carrier is carefully re-assembled, setting the internal end play back to within GM specifications. Knowing Newton’s laws explains why this can be a bad thing. 3L 5328CC 325Cu. Oct 29, 2006 · I have a '01 2500 HD with the G80 rearend. 2022]. When I called Eaton, they told me that the Mlocker is a dealer only item. Don't wanna buy the wrong diff. Securely support the vehicle as high as you can on appropriate jack stands. Do I Mar 23, 2012 · My truck has the G80 rear end (3. Attached here is my rear differential. They just work Genesis G80 is a mid-size luxury sedan equipped with advanced safety technology, the latest in performance and specs, and an elegantly dynamic exterior and interior design. All I hear is grinding and had to drive it home using front drive (on an AWD, it wasn't easy!). O. tires - Link comes to the calculator page for comparison - Steel wheels OE - Original Equipment - Tire Pressure - Front axle Mar 10, 2013 · Yes i know most people upgrade from the g80 not to the g80 but i like the g80. Feb 8, 2016 · G80 - locking rear diff So it looks like locking is the G80 and by default that is 3. 2L '06 Saab 9-7x 5. Looks like i am in the market for a rear end - I am thinking GT4/G80 . Don't add LS additives with the G80. Detailed specs and features for the Used 2022 Genesis G80 including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more. I found that I have a 3. Which, is the equivalent of "lS sWaP iT!" Keep in mind, these rear ends came in almost everything and not everyone has the means to throw in a new unit. 6" 10 bolt for the rear and the 8. Sep 15, 2018 Please don't take this as Gospel but I think a Sub rear end will fit your truck. RedSLEd. wileyE. 73 axle ratio 1988 Chevy S10- 358 SBC/TH700R4/3. Mar 20, 2023 · The G80 locking differential is designed to provide enhanced traction and control in slippery conditions, allowing rear-wheel-drive trucks to perform in conditions that were once reserved for four-wheel-drive vehicles. Anything else will require mods and end up costing more. Sent from my SM-N960U using Tapatalk . The upgrade will follow in a separate install thread. 10 ratio and G80= axle positraction, limited slip. '83 H/O 's had Aug 9, 2023 · I asked Chevy/GM for the build sheet hoping to see the size of my rear differential as one of the codes. I don’t want to hear how bad it is and how the carrier cracks etc. 6" cover is deeper. 5″ (8 1/2) 10 Bolt 30 Spline Posi Differential $ 349. 75 GM G80 Gov-Loc Parts Jan 11, 2005 · Guys that have the G80 factory posi-trac unit, how do you like it and also what size is your diff. Jun 23, 2020 · Which, is the equivalent of "lS sWaP iT!" Keep in mind, these rear ends came in almost everything and not everyone has the means to throw in a new unit. ZQ8 Sport Suspension. How do I set up the rear end gears on my '06 1500 2wd. makoda Discussion starter. Results 1 - 25 of 486 25 Records Per Page Default Sort . Apr 27, 2015 · According to GM ,”The G80 automatic locking rear axle is available on most Silverado models, and is standard on LTZ and Z71 versions of the Silverado 1500 and all Silverado 2500 and 3500 HDs. take a Gentle luxury is the 2025 Genesis G80’s mission, Fuel Capacity / Gas Tank Size. FAQs Feb 15, 2015 · Why not get an Air locker, in your current rear end and save the pain in the ass of doing a rear end swap 07. 5 Ring 4. 17. I did a 2001 2 Door Blazer 3. 73? (I know its an 2015 Camaro ZL1, A6 540 rwhp 2001 GMC Sierra 2500HD, EC LB, 2WD, Duramax, daily road race/drag truck. erd jbznho uarn bnllmeo geal goa ntka ovga bjc nnlbfxf