gm 10 bolt rear end

Brain has the camaro rear end listed in his weight data base. Eaton-Style (clutch) Posi Unit -Heavy Duty Differential. This is appartently the rare rear en that aftermarket parts are few and far between. The GM 10-bolt rear end is quite possibly the most misunderstood and undervalued rear differential ever created. Me, my 11 year old son and 14 year old daughter loaded and unloaded it. Genuine American Axle & Manufacturing parts for Chevy GMC with AAM 10.5 inch 14 Bolt Rear Axle. Thanks for watchi. The 8.5 inch axle was used on vehicles up to 1999. Inside the 8.2-inch 10-bolt, the ring-gear bolts have 9/16-inch socket heads with 3/8-24 left-hand threads. 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The 8.5-inch 10-bolt rearend is hugely popular because aftermarket carriers and gears are easily interchangeable. Found inside – Page 28The Ford 9-inch was the axle most commonly found in Blue Oval muscle cars and trucks, and this axle is so ... 10-Bolt: The GM 10-bolt axle housings get their name from the 10 fasteners that hold the rear inspection cover in place. backlash, pinion depth and wear patterns are science. Yea, it makes a big difference which 10 bolt rear end you are talking about. Swapping gears is not that difficult, but it takes time to learn the process and a lot of trial and error. FREE Shipping by Amazon. Accepts ABS tone ring on pinion stem for B&D Cars. The 10-bolt differential cover is located on the rear of the axle and is an 11-inch x 10.25-inch oval. A Series 2 carrier will work with 2.56 and higher gears (numerically lower) such as 2.41. When it comes to getting power to the pavement, GM's 10-bolt, 8.5-inch rear end with Positraction is a hero. Found inside – Page 128The system works for 8.2- and 8.5-inch 10-bolt and GM 12-bolt differentials. Imran has installed this ... “It's really amazing how well these new parts go together with the older rear ends,” Pooni says. “I guess that when it comes to ... The GM 10.5" 14 Bolt axle, also known as the GM 14 Bolt and Corporate 14 Bolt has been in use by Chevy and GMC since 1973 and features a large 10.5" diameter ring gear, pinion support, and 30 spline full-floating axle shafts. 12 bolt cover (Chrysler 9.25") 12 bolt cover 3.55 ratio DRW 5700 GVW (125" WB, 8-454) 12 bolt cover 3.90 ratio 12 bolt cover 3.21 ratio SRW semi-floating SRW 14 bolt cover DRW 7500 GVW 3500 HD drum Rear brakes 10 bolt cover 6200 lb 4.10 ratio. The date and location of manufacture coding changed in 1971. Here's What's Happening, If Your Car Battery Won't Hold a Charge, Try These 4 Steps, Capps Crowned 2021 NHRA Funny Car World Champion, Elliott, NAPA Team Conclude Season with Top-Five Finish at Phoenix, Jesse Love Wins Back-to-Back ARCA West Titles with NAPA AUTO PARTS, Kraus & MHR Wrap Up 2021 Trucks Season with Top-15 Finish. Trending price is based on prices over last 90 days. While this article focuses specifically on the GM 8.5″ 10-bolt rear differential, the parts and processes described herein cover most differential housings.Built from the 1970s through today (the 8.6" 10-bolt is still used in most GM trucks), these housings are the most common . 7107 - Performance Cover - 10 Bolt 8.5" & 8.2" GM Strengthen your rear with a Moser Performance Cover. Gear oil is nasty stuff, mostly in smell. Clunking, banging, and vibrations can also be a sign of worn rear end components, including broken gear teeth, a damaged rear differential carrier, and bent axles. been racing it for about 2 years maybe a total of 30 passes down the track. 3.42 axle ratio GM / Chevy original used Rear Axle Assembly Was out of a 1994 Chevrolet S10 (with a 4.3 Vortec V6, 2WD) As is, I will include the gasket and gear oil. Even if you end up deciding to have a professional take care of your transmission repair and performance needs, the information contained in this book is crucial to understanding how the power gets from the engine to the road. That’s usually proven when used in high-performance, high-horsepower applications. 70 2wd GM 6 lug rear end 12 bolt Possible gear ratio's 3:08, 3:40, 3:73 70-81 4wd GM 6 lug reared ... 71- Newer 2wd GM trucks use a 5 on 5 lug pattern 71-76 Full Size GM Cars " "" "" "60" 60's GMC and some Chevy's Dana 44 or Dana 60 with leaf springs 6 lug, Gear ratio's 3.21 to 3.92. The 8.2 10 bolt is great little rear end, I have a 1970 Chevy Nova that runs 11's through the quarter with a 1:56 60′ time. Moser Engineering 7105 Aluminum Rear Differential Cover for 10 Bolt 7.5" GM Rear End. That meant we needed new axles. Like Superman in street clothes, however, it can be hard to identify this beefy unit among its weaker cousins, the 10-bolt, 8.2-inch with open differential. description. It should also fit other era cars (Firebird) with leaf spring rear ends. Showing how to rebuild one yourself using some great Yukon Gear & Axle components. BOP stands for Buick/Oldsmobile/Pontiac. If not repaired, a bad bearing can seize, causing an unsafe driving condition. 12 bolt Chevy posi unit. The pinion nut should also measure 1 1/8 inches, if the OEM pinion nut is still in use. Thanks for watchi. Get it as soon as Thu, Dec 9. A bad wheel bearing will make a loud howling sound when the vehicle is driven. Found inside – Page 105Rear Ends Putting that power to the street is going to be tough unless you have a rear end that can handle it. In the GM world, there are two main OEM rear end choices — the 10-bolt and 12-bolt. There is also a somewhat surprising third ... may be different than pictured. Chevy 10 bolt Rear end 3.42 axle ratio - auto parts - by owner -. 10 bolt ID. However, the gears will not interchange with a Chevy 8.2. 40053031. The Pontiac 10 bolt cover has scallop shapes at the 3 and 9 oclock position. Registered. YA W24124 - GM 8.5" 30Spline 4340 FRONT AXLE kit, w/ Super-Joint, ZA W24118 - USA Standard 4340 Chrome-Moly axle kit for '79-'87 GM truck & Blazer, GM 8.5", 28spline w/Spicer joints, 10 bolt cover, 8.5" ring gear, 10 ring gear bolts, 30 spline pinion, c-clip axles could be 28 or 30 spline, referred to as the GM 10 bolt. Found insideGM's 10-bolt and 12-bolt Salisburystyle rear ends were used with all 1969 models. Both rear ends were a three-piece housing design that comprised a cast-iron differential carrier and housing with two steel tubes pressed and welded in. It has to be drained to get a peak inside. The 14 bolt rear axle is one of the most widely used rear axles in the off road industry. $1,529.00. That is the impetus for why we decided to put this swap meet/junkyard identification guide together. Found inside – Page 14Despite popular misconception , GM's RPO C80 Positraction limited - slip differential assembly was an option that cost ... under the back end of SS - 350 models — was referred to as the “ 10 - bolt ” assembly because of the 10 bolts ... The distance between the lower center bolt on the cover and either adjacent bolt is 3 3/4 inches. Found inside – Page 189... two-door sedan Builder: Kustoms Royale Engine: GM Goodwrench 350 Transmission: Tremec five-speed manual Rear End: Chevy 10 bolt 3.73:1 gears Paint: Robert Roling Upholstery: Warren Upholstery Works Powder Coating: Arkansas Painting ... Differential Covers & Gaskets. The distance between the bottom center bolt in the cover and its adjacent bolts is 3 1/4 inches. The control arm-mounting ears on top of this 7.5 rearend denotes it is usable for any 1978-’88 GM A or G-body intermediate like a Cutlass, Monte Carlo, El Camino, Malibu, Regal, or Grand Prix. Still, the 14 bolt semi-float is a solid axle for a lot of applications. Since both the 8.2” and 8.5” 10-bolt rears have the same cover, you have to look for some key signs as to which unit you have (short of taking it apart and measuring). For this build, we special ordered a new Eaton TrueTrac posi unit from our local NAPA Auto Parts Store so that we would have the excellent noise-free turning and straight line traction that we need. Whether you want more performance and capacity or you just need to replace some worn-out parts, rebuilding your rear differential quickly restores your vehicle’s driving performance. Available with studs, bearings, seals and c-clips. We just took a 1987 suburban 8.5" 10 bolt to the crusher. Using the bulletproof 14 Bolt center section we build the axle to your specifications. Many times, if you locate a 10-bolt rearend, it’s usually a 7.5-inch unit. -GM1-3833443N-8184-DB 3 17-DD stamped on one side with C stamped on other side -faded S stamped on axle tubing ( all shown in pictures) I was looking forward for it to be a 65 nova rear end , or just an earlier nova rear end to replace my 67 camaro rear end , considering it's narrower. What, if anything, should I do to this rear end to make sure it can handle the 455. A tell-tale sign of a bad bearing is a leak of gear oil on the inside of the tire. The most typical breakdowns of the rear end is the wheel bearings. 3 product ratings. The 8.5-inch 10-bolt also shares the same pinion shaft diameter as the more expensive 12-bolt. If you’re looking for a good.economical 10-bolt rearend to rebuild or install into your hot rod, you will need to be able to accurately identify the different units so you don’t accidentally come home with a 7.5 or 8.2-inch differential. Available for 10 and 12 Bolt Chevys, 8.8 Fords, and Dana 60 rears. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. Rear Differential - For GM 10 Bolt with 8-1/2" Ring Gear. The TrueTrac comes in both 28- and 30-spline versions and we chose the 30-spline. 10 bolt cover, 8.5" ring gear, 10 ring gear bolts, 30 spline pinion, c-clip axles could be 28 or 30 spline, referred to as the GM 10 bolt Featured Products GM 8.2"/8.5"/8.6" (Chevy) 10 Bolt / TA Performance Rear End Girdle - Original / TA-1807 YA W24122 - Yukon front 4340 Chrome-Moly axle kit for '79-'87 GM 8.5" 1/2 ton truck and Blazer with 30 splines. I will attempt to cover the necessary steps in building a differential for a GM 10 bolt rear end with an 8.5/8.6 ring gear. Brain has the camaro rear end listed in his weight data base. GM 14 Bolt Rear Axle - 30 Spline 14 bolt, steering, gm, 14, badass, axle, ECGS, reid, reid racing, spool, buggy, offroad, 14-bolt,CAA:GM14T,GM14T,GM, SKU: BOM-GM14T-FF-S1. Low Profile Chevy 8.2"/8.5"/8.6" 10 Bolt Rear End Girdle fits all Chevrolet and GM corporate produced cars and light trucks with 8.2", 8.5" & 8.6" ring gear and 10 Bolt rear ends, including the Grand National and 1500 ton trucks. Caprice, Impala, Roadmaster, Fleetwood, Sierra, Yukon, Silverado. Usually, a bad pinion bearing howls when you are not accelerating. There are several differentials for the 10-bolt rearend. Astro Rear Axles Found inside – Page 44-he differential carrier housing is the center of the independent rear suspension used in 1963–1982 Corvettes . ... This NOS GM 3997926 ( Eaton ) 10 - bolt Posi - Traction carrier is used with 2.73–3.70 ratio ring and pinion gears . Found inside – Page 81This made it all but impossible for GM management to kill the GTO without looking like the world's biggest collection of ... four-speed transmission when the stout 3.90:1 gear set resided in the 10-bolt rear differential housing. Jefferson operates Red Dirt Rodz, his personal garage studio, where all of his magazine articles and tech videos are produced. The GM 10-bolt is named for the number of bolts on the cover; ring gear diameter is 7 1/2 inches. C $519.50. to change without notice. It was used in different models by all GM divisions – with the exception of Cadillac. With the exception of truck differentials with 30-spline axles, and those carrying 2.41 and 2.73 gears (series two), the differentials will support all gear ratios without having to change carriers. It is stronger than a 10 bolt, but not even close the the legendary 14 bolt. GM 14 Bolt 10.5 Full Floater. rear end, 10 bolt 8.5" gear, w/o brakes 153.06 lbs. There is a difference, but you can’t see it unless you set both units on their side, and then measure the distance from that surface to the face where the ring gear attaches. Finding 30-spline axles is easy, you just have to take some measurements and order them. Call our Rear-End Parts experts for LIVE help. Your email address will not be published. The oval-shaped cover measures 8 5/16 inches by 10 9/16 inches. This can be used as an easy remedy for a stripped out fill plug in the cast iron housing. (moser30-spline axles, Eaton Posi, c-clip eliminators) The 8.5-inch 10-bolt rearend was used in cars and trucks over a wide range of years. That way, you don’t unknowingly spend money on something you really do not want. Found insideThe Ford 8.8 is the latest of the performance rear ends and is nearly a copy of the GM differentials. In fact, the 12-bolt and ... The Ford 8.8-inch differential uses a 10-bolt rear gear cover, but not the same one as the GM 10-bolt. Found inside – Page 130Restoration and Performance for 1963-1972 Chevy Novas Super Chevy Magazine ... Out back , a nine - inch rear end was bolted in place of the stock 10 - bolt , complete with late - model disc brakes . Koni shocks adorn the rear with ... This is the later style with the fill plug in the cover. I run a stock open differential with a Richmond mini spool, Richmond 4:11 gears, and Moser street axles. It has the engraved TA checkered flag logo, and the load bolt lock nuts are recessed into the brace. Gm 7.5 7.625 10-bolt Chevy Ring Pinion Gears 3.73 Ratio - New - Rearend Axle They greatly reduce the amount of ring gear deflection and therefore, your gears last . East Coast Gear Supply offers wholesale discount prices on GM 10 Bolt 8.5" gears, ring and pinions, ring and pinion gear sets, master install kits, pinion kits, mini install kits, axles, ujoints, bearings, air lockers, lockers, triple drilled flange, diff housings, solid spacers, flanges and other GM 10 Bolt 8.5" performance parts and accessories for your GM 10 Bolt 8.5 inch differential on . Why Swap A Corporate 10 Bolt or 12 Bolt For A 14 Bolt? A bad wheel bearing will send a lot of metal shavings through the gear oil. Buick and Pontiac 10-bolt rear ends used flange-retained axles instead of the C-clip retained axles like those on Chevrolet rears. This Simple Hack Lets You Shift to Neutral. Free shipping for many products! That being said, it is not recommended for use behind engines that make a serious amount of horsepower. His work has been featured in Car Craft, Hot Rod, Rod & Custom, Truckin’, Mopar Muscle, and many more. His career began in the car audio industry as a shop manager, eventually working his way into a position at Rockford Fosgate as a product designer. But for all intents and purposes, the 10-bolt rearend is a great unit for a street/strip car, and can be stout enough to handle even the occasional abuse delivered by use at the racetrack. Found inside – Page 118A low - performance “ 10bolt " and a high - performance " 12 - bolt . " The latter can be identified quickly by looking for two parallel bolts at the bottom of the rear axle cover , as shown here . Right Because the 1967 axle assemblies ... Another way to tell the difference between an 8.2 and an 8.5 rearend is to pull the cover and look at the bolt holding the spider gear crosspin. The easiest way to identify the 8.2-inch rearend at a glance is by the shape of the housing and the spacing between the lower bolts on the cover. That being said, limited gear sets are offered for the carriers, especially if you plan to change gear ratios. The cross bar is machined down for additional clearance. Be aware that for each model and year there may be more than one rear axle possible so please check before ordering. When it comes to Chevrolet rearends, it’s the 12-bolt that seems to get all the accolades. The end result is a better traction, more power (though the engine does spin a bit faster at speed because of the lower gears) and all around better drivability. Found inside – Page 48With universal kits, you need to fabricate brake lines; with bolt-in kits such as SLP's F-body line lock, all installation ... received one of the smallest and weakest rear axle assemblies known to man: the 10-bolt GM 7.5-inch rear end, ... The 8.5 rearend will have a round cover, and part of the cover will extend rearward to make room for the ring gear. On this swap, we did this about 15 times, for various reasons. The GM 10.5" 14 Bolt axle, also known as the GM 14 Bolt and Corporate 14 Bolt has been in use by Chevy and GMC since 1973 and features a large 10.5" diameter ring gear, pinion support, and 30 spline full-floating axle shafts. if transmissions are shrouded in mystery, then the rear differential follows on its coattails. If it takes a 1/2-inch wrench to remove it, it’s an 8.2. It first appeared in 1970 production cars as a corporate replacement for the 8.2-inch 10-bolt rearend. AAM# Vehicle Make Year Axle Type Axle Ratio # of Teeth Notes; 26067357: GM: 1975 - 2011: 10.5" 14 Bolt - Rear Axle: 3.42 - 4.10: 30 / 1.55" USE 74040917 diff gear kit Variations of this can be found in the rear of GM S-trucks and some Isuzus, and in the front of S-trucks. On the support nracket from the diff to the axle is the code "J231". 99. - GM & Chevy 10 /12 Bolt Rear End Performance Disc Brake Kit Non-Staggered. to change without notice.�Terms The axle shafts are also held in place by four-bolt retainer plates at the outer bearing, not C-clips. GM 10.5" IFS Differential parts are in stock and ready to ship today at West Coast Differentials. GM Semi-Floating 9.5" Rear Axle. 3.42 / 12x41. While the 10-bolt rearend’s lineage can be identified by the code stamps, which are usually on the passenger’s side axle tube, there are literally hundreds of potential codes for the three different 10-bolt rearend housings. Again, this would be okay in a daily driver or cruiser application, but if installed behind an engine with horsepower numbers climbing into the 400 range, you can plan on an eventual failure. Like the 8.2-inch 10-bolt, the 8.5 10-bolts use C-clips to retain the axles. The 8.2-inch 10-bolt has a smooth, round, lower-case area (no cast-in protrusions), with an 11-inch cover that has a diagonal protrusion at the top. You should also check to see if the rear carrier is posi or open-style, the easiest method is to jack up the rear of the car and spin the wheels, if they both spin the same direction, you have a posi, if they spin in opposite directions, you have the classic peg-leg rear. All Rights Reserved. Wheel End Parts, Bearings, Spindle Nuts, Etc. axle, differential, drivetrain, gears, pinion, rear axle, ring & pinion, truck, wheel stud. Nov 22, 2009. Like all Chevy 10-bolts, the axles are retained by C-clips on the inner end of the axle shaft inside the carrier. An 8.2 (shown) will have the same contour as the cover. Going through the GM 8.5" rear axle in the bagged c-10. Found inside – Page 164The 1970 12-bolt rear end carried a casting number of 3969278 and this same casting number was used through the 1972 ... General Motors called for this stamp to be 8 to 10 inches inboard of the brake backing plate, but it can be found ... the "nerat" 4 piece brace set is made of 3/16″ thick heavy duty steel and is contoured to fit the back of the chevy 10 bolt rear end housing. In 2003, he began writing tech articles for magazines, and has been working as an automotive journalist ever since. Before we start, let’s identify the parts. We just took a 1987 suburban 8.5" 10 bolt to the crusher. Tips for rebuilding a gm 8.5" 10 bolt rear differential. GM 8.2" 10 Bolt (Chevy) / Custom Alloy C-Clip Axle Shafts / 1964-1967 Chevelle. The cross bar is machined down for additional clearance. Chevy 10 Bolt Posi-traction (Limited Slip) Differential, Rear End, Rearend. Since it was so widely used, there is a better possibility of finding one of them at a salvage yard than locating a 12-bolt. Found inside – Page 24In the interest of Bringing Up the Rear after . The experience changed my neatness , grind the remaining welds At the area where the crossmember opinion of S - 10s forever . The new air- off and smooth the rails . ahead of the rear axle ... The bearings on the pinion gear and differential itself can go out, which cause a similar howl to wheel bearings, only the sound will change if you accelerate or brake. While this article focuses specifically on the GM 8.5″ 10-bolt rear differential, the parts and processes described herein cover most differential housings. Shop GM 8.5 Inch 10-Bolt Differential Covers and get Free Shipping on orders over $149 at Speedway Motors, the Racing and Rodding Specialists. 8.6" 10 Bolt - Rear Axle. To start you want a bare differential, for tear down refer to this thread. Race Axles (33 or 35-spline) and axle tubes may be ordered in . Save my name, email, and website in this browser for the next time I comment. The 10-bolt can also be affixed to GM'S7.5/7.625- and 8.2-inch axles, but they deliver less power and performance than the 8.5" oR8.6" versions. The OEM pinion nut is 1 1/4 inches. Will fit 1st Gen Camaro (1969, 1968, 1967), later Nova, and perhaps some othe Chevy or GM cars (? Our covers are made of 356-T6 aluminum and designed to improve ring and pinion gear life, as well as improve the appearance of your vehicle. Call our Rear-End Parts experts for LIVE help. See all 28 photos. Going through the GM 8.5" rear axle in the bagged c-10. Don't Panic! (1) Pair new axle shafts. The covers on the 8.5-inch rearends are often 11 inches round with a bulge on the driver’s side to accommodate the ring gear. Found insideA new corporate edict, aimed at preparing GM for no-lead gasoline , forced an across-the-board reduction in ... Positraction 10 bolt rear ends were available as an option on 400 CI engine equipped GTO's, while all 455 CI GTO's were ... Each rear-differential type (as in 12-bolt, 10-bolt Dana 60 etc) has its own specs, these are usually included in the gear-set instructions. Brand New. Found inside – Page 133Dana 44 or GM 10 - bolt for a Dana With the solid front axle fading 60. ... These shafts can Rear Axles come in the same carbon steel alloy as In many situations , the rear axle OE or in a stronger chrome - moly has to handle 30 to 50 ... Found inside – Page 25The following equation can be used to determine revolutions per minute (RPM), miles per hour (MPH), rear-end gear ratio, and tire diameter if three of the four While a GM 10- or 12-bolt rear end would be a good rear end for a Chevy or a ... Found inside – Page 86GM offers two types of rear ends on passenger cars and light duty trucks ; the 10 - bolt and the 12 - bolt . These units are easily identified by counting the number of bolts that hold the rear cover onto the axle housing . An important thing to note is that the ring gear bolts are .4375-inch left-hand thread on all 8.5-inch differentials. (moser30-spline axles, Eaton Posi, c-clip eliminators) Automotive expertise from NAPA AUTO PARTS. Came out of a 1979 Camaro, 2.73 gears, brake shoes, brake lines and emergency brake cables in good shape. His passion for performance got him noticed by many locals, and he began helping them modify their vehicles. I beleive the internals are good but I need to put a complete set of brakes starting at the backing plates on the rear. You can either get a machine shop to enlarge this hole or use a special pinion bearing and race. GM 10.5" 14 Bolt Rear Differential Cover by PML part #9369 This differential cover fits heavy duty trucks and vans such as Chevy and GMC 2500 and 3500.Typical applications include the following. (Car not truck) - $250 (Alden) Posi unit out of a 1968 nova 12 bolt. The pinion diameter is 1.438 inches, and has 25 splines. While a carrier-bearing girdle is available for the 8.2-inch rearend – and does give some support to the housing – it doesn’t provide a reliable and suitably strong solution. Being the single most use rear differential on the planet, we show you want goes into saving an aging GM 8.5” 10-bolt rear end. The ECGS 14 bolt features the highest quality parts available on the market. One is the small, 7.5-inch, another is the 8.2-inch, and yet two more are the 8.5 and 8.6-inch. B-O-P axles also have identifying grooves traveling along each side of . The best Gm 10 Bolt Posi Rear End For Sale of 2021 is found after hours of research and using all the current models. Found inside – Page 134Both the 10-bolt and the 12-bolt came stock with a variety of gear ratios from the factory, ranging from 2.56:1 to ... Swapping gears is a science in a GM rear axle, as it requires careful shimming to set up a proper contact patch ... In car Craft, Hot Rod, Rod & custom, Truckin’ Mopar! It can handle more power than either the 7.5 rearend uses an oval cover and either adjacent bolt is leak! For rebuilding a GM 10 bolt 8.5 & quot ; JD G308 1 & quot ; &. Mkcid=1 & mkrid=706-53473-19255-0 & campid=5336728181 & customid= & toolid=10001 '' > GM 10 bolt &! 10-Bolt also shares the same pinion shaft diameter as the note is that the ring diameter! Will make a loud howling sound when the vehicle is driven still in.. Gear to the differential housing at the area where the crossmember opinion of s 10s... So please check before ordering two and three ) - AUTO parts - by owner.. A strength and durability that can handle more power than either the 7.5 rearend uses oval. Typically, 10-bolt differentials are specific to a series of gears routine maintenance and repairs differentials that take... By 4 out fill plug in gm 10 bolt rear end off road industry correct ring pinion. Directly to your specifications rear axles in the off road industry means installing and removing the carrier Page... Require a complete rebuild, but the pinion-shaft diameter measures 1.438 inches and! Therefore, your gears last cast-iron differential carrier and housing with two steel tubes pressed and welded in plates. ) means installing and removing the carrier comprised a cast-iron differential carrier and 28-spline axles with real! Junkyard from Kansas to Never-Never land axles are retained by C-clips on the rear differential date location. 1972 were delivered from the factory with a Richmond mini spool, Richmond 4:11 gears, Dana! A special pinion bearing howls when you are not accelerating a high performance car ’. Race axles ( 33 or 35-spline ) and axle tubes may be different than pictured, flat cast-in! Support nracket from the factory with the stronger 12-bolt rear end, 10 bolt 8.5 & quot ; 10 Posi... That 12-bolt axle assemblies use different components for cars it measures 53 & quot back! Changed my neatness, grind the remaining welds at the outer bearing, not for off-the-line performance inches! C-Clips on the inner end of the two units side by side, it ’ s definitely the expensive... For Sale of 2021 is found after hours of research and using the... Code & quot ; J231 & quot ; from drum front to drum to! These, however, the rebuilds get more intense need help identifying my 10 bolt 8.5 - Strange <. By measuring it from bending under hard hits, small trucks, and reduced the risk a. Autocare locations for routine maintenance and repairs, especially if you plan to change without notice because... Installed under cars, small trucks, and has 25 splines: //www.chevyhardcore.com/tech-stories/drivetrain/10-bolt-chevy/ '' > 10 bolt 12... Began helping them modify their vehicles some measurements and order them Yukon, Silverado have identifying traveling... Positively identify the Chevy 7.5-inch rearend by measuring it the accolades 12-bolt is... Offered for the rest of the corporate 8.5 & quot ; JD G308 1 quot... Know buy a 12 bolt was used in high-performance, high-horsepower applications stamped gm 10 bolt rear end the off road industry 4L60... The easiest way to tell them apart quickly by looking for two parallel bolts at backing. Engines that make a serious amount of ring gear can move before the pinion diameter. Fully rebuildable units are assembled in the axle shafts are also held in place by on... 9 oclock position protrusions are larger than those on the cover center bolt the... Performance Projects: 1964-1972 will offer a full range of ratios available changed in 1971 get as. //Www.Chevyhardcore.Com/Tech-Stories/Drivetrain/10-Bolt-Chevy/ '' > how wide is a genuine AAM differential cover kit that will fit a... 14 year old son and 14 year old son and 14 year old son 14. Have ten 3/4-inch hex head bolts with 7/16-20-inch left-hand thread on all 8.5-inch differentials not truck ) $. Do not require a complete rebuild, but not even close the the legendary bolt! Contact pattern ) means installing and removing the carrier and 28-spline axles with real. Does not change with acceleration or stopping clanking, groaning and a general worn-out feel ’! Can handle more power than either the 7.5 rearend uses an oval cover and the load lock... Ecgs 14 bolt rear end contained a 3.23:1 gear set as the more expensive.... Is for replacement use only stayed with the stronger 12-bolt rear end 3.42 axle ratio - parts... Gears are easily identified by counting the number of bolts on the 7.5 rearend an... 1999 and up cars ( Firebird ) with leaf spring rear ends > oil... Brings his accumulated knowledge and experience of more than 34 years of high-performance engine and vehicle testing to this.. 11 year old daughter loaded and unloaded it before we start, let ’ usually! X and F-Body spring perches come in two versions: mono-leaf ( left ) which is shallower the. With leaf spring rear ends components for cars change gear ratios ranged from 2.41 4.10! Nuts, Etc foot.. the rear end to a series 2 carrier work... S - 10s forever and up locals, and in the cover extend. For performance got him noticed by many locals, and has 25.. Are science gm 10 bolt rear end art mixed together, and has 25 splines into brace! Anything, should i do to this book, then the rear of the axles are retained C-clips. Are different series ’ of differentials ( series two and three ) customid= toolid=10001! ) with leaf spring rear ends end listed in his weight data.! //Knowhow.Napaonline.Com/Tips-For-Rebuilding-A-Gm-8-5-10-Bolt-Rear-Differential/ '' > Chevy S-10 Rear-end, 308 gear - 8 1/2 inch, 10 bolt rear end choices the... 25 splines 7/16-20 left the legendary 14 bolt do i have coding in. & mkevt=1 & mkcid=1 & mkrid=706-53473-19255-0 & campid=5336728181 & customid= & toolid=10001 >. Inch, 10 bolt rear end!!!!!!!!!!!! And many more era cars ( Firebird ) with leaf spring rear were... Have either 28 or 30 splines additional clearance these fully rebuildable units easily. 8.2-Inch 10-bolt rearend 7/16-20 left definitely the more durable of the most interesting Chevy,. Race axles ( 33 or 35-spline ) and axle tubes may be more than 34 years of engine! Versions: mono-leaf ( left ) which is shallower than the multi-leaf ( right ) trust one of the interesting! Front to drum front to drum front are a few specialized tools required under hard.... And part of the install, so it needs to be checked first and last Pontiac market. A lot of trial and error components for cars > 10 bolt that was in... Fords, and he began writing tech articles for magazines, and units. From 2.41 through 4.10 inch was used in a high performance car, 2.73 gears, brake shoes brake. Year old son and 14 year old son and 14 year old son 14! 5/16 inches by 10 9/16 inches articles for magazines, and easy build. That the ring gear can move before the pinion diameter is 1.438 inches, and to... That reason, many enthusiasts are considering the 10-bolt car goes a consistent @... Insurance for a perfectly aligned rear axle rated 5.0 out of a 1979 camaro, gears... Says & quot ; from brake back plate to brake back plate to back. 10-Bolt rearends have ten 3/4-inch hex head bolts with 7/16-20-inch left-hand thread bolts that hold the gear. The content you request end has new eaton 3.42 gears 1 1/8 inches, and has working!, directly to the carrier bearings, seals and C-clips interesting Chevy Hardcore, directly to the rear axle,. And emergency brake cables gm 10 bolt rear end good shape tell the difference is by looking for two bolts! But they do require complete disassembly for cleaning specialized tools required flag logo, and easy to build, are... A semi-float 14 bolt rear end, rear axle cover, but has the TA... Covers also have identifying grooves traveling along each side of outer bearing not... Not recommended for use behind engines that make a serious amount of horsepower Rebuilt GM differential through gear... Multi-Leaf ( right ) tell them apart be focusing only on visual identification features, and Moser axles. 2.73 gears, brake shoes, brake shoes, brake shoes, brake shoes, brake shoes, lines... Important to know that i own a 68 Z28 restored and this is a nice.! > Nov 22, 2009 different series ’ of differentials ( series two and three ) is than! Luck finding one of the axle housing differential for GM 8.500 in the 7.5-inch rear into pile. Axle assemblies use different components for cars, 2WD and 4WD alike when looking at the top Isuzus and... You plan to change without notice.�Terms & Conditions working as an easy remedy for a stripped out fill in. 8.5″ 10-bolt rear end one yourself using some great Yukon gear & amp ; pinion: ring... In 2003, he began helping them modify their vehicles 10-bolt rearends have ten 3/4-inch hex bolts! Axle tube, and the load bolt lock nuts are recessed into brace. | NastyZ28.com < /a > Donald, the 8.6-inch ( 8.625 ) was used on vehicles up to 1999 might... Identify the parts and processes described herein cover most differential housings? id=D8E1EAAAQBAJ '' > 12-bolt!

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