GM Genuine Parts and ACDelco are proud to work together as the only Original Equipment and aftermarket parts source backed by General Motors. The actual outside diameter (OD) of a 28-spline axle is 1.205 inches while the 30-spline axle is larger at 1.310 inches. When stock axles are induction hardened, the outer layer of metal in the axle is hardened and the core is softer. The outside of the metal heats up much faster than the inside. All rights reserved. This is an 8.2 BOP axle. 1977 GMC K25 Pickup 1978 Chevy K10 Pickup Since listing them all within this article is impossible, well be focusing only on visual identification. Moser performs all heat treating in its own facility using the induction process. All aftermarket axle manufacturers use their own alloys, so comparing them can be difficult. A typical GM 8.5-inch 10-bolt has 28-spline axles, and it's the baseline in terms of size and strength. Take Zach R. for instance. (Photo Courtesy Moser Engineering). Make the switch to the only true aftermarket "MADE IN THE USA" front axle shaft in the market today! With nationwide shipping, we can serve anywhere in the United States and we can even send axles internationally. The way the splines are created makes a difference too. For the best experience on our site, be sure to turn on Javascript in your browser. That doesnt mean that you will always get disqualified from the track if you have a stock-axle GM 12-bolt with C-Clips, but the particular car could. 1979 Chevy K20 Pickup Zach got enlisted by a friend to help rebuild the 7.5" factory 10 Bolt rear in the G-Body Monte that he is working on, so naturally it became a teaching moment. Yukon 10 Bolt 28 Spline 4340 Chromoly Axle Kit with Spicer 760 U-Joint, Yukon 10 Bolt 30 spline 4340 Chromoly Short Side Inner Axle Shaft, 19.15", GM D44 and Corporate 10 Bolt Spindle Nut Kit for One Side, Two Required Per Truck, Dana 44 Outer Axle Tube Seal for 2-1/8" to 2-1/4" Axle ID, Each. JavaScript seems to be disabled in your browser. The 8.5-inch 10-bolt rearend was used in cars and trucks over a wide range of years. But you dont have to buy custom axles for every car and application. The axle shaft hubs drive the wheels, and as such, they are an important part of the drivetrain system. Both GM 10- and 12-bolt differentials are a semi-float design, which means that the axles carry the weight of the vehicle on one bearing at the end of the axle shaft. Slowly heating the entire axle to a specific temperature through hardens it, so that the metal is thoroughly heated to the same temperature, and then cooled. Get your differential carrier rebuild kits and spider gears at Summit Racing Equipment. This will ensure that your backlash is correct without having to swap the shims. GM 8.6" REAR AXLE / 10 BOLT MULTILINK, AAM 218mm It first appeared in 1970 production cars as a corporate replacement for the 8.2-inch 10-bolt rearend. Check the fitment of the stud. GM 7.25" FRONT AXLE / IFS / 4WD and AWD ARB Air Locker $1,250.00. This means that you can bolt a set of drag slicks to an otherwise stock 8.5 10-bolt and make a pass down the drag strip, but you run the very real risk of breaking an axle. One other option for all three differentials is available: a spool. Ring Gear Diameter: 8.500" Cover Bolts: 10 Ring Gear Bolts: 10 Axle Spline Count: 28 / 30 Carrier Breaks: 2.56 and Down; 2.73 and Up Rear Suspension: Solid Pinion Nut Size: 1-1/4" Featured Products TWO ICONIC PARTS BRANDS IN ONE PLACE. 1981 GMC K15 Pickup DIFF BEARING AND SEAL REBUILD KIT. C-clips are located past the splines on the axle in the center of the differential, so there is nothing keeping the axle inside the tube at the end of the housing. On this episode of Dirt Every Day Extra, Fred Williams and Dave Chappelle ask Offroad Designs Stephen Watson for some insight on these solid front axles and discuss which one you really want.https://www.motortrendondemand.com/subscribe/freetrial/?bnr=organic:bnr:yt:dede:ep233_fr_de:link:na:mtod Just keep in mind that if you are putting a lot of power to those cut splines, you could be setting yourself up for a failure. That being said, limited gear sets are offered for the carriers, especially if you plan to change gear ratios. Ductile strength is the metals ability to spring back from bending. How To Rebuild a GM 10 Bolt Chevy 8.5 Rear End. GM 8.6" REAR AXLE / 10 BOLT The oval-shaped cover measures 8 5/16 inches by 10 9/16 inches. This is the angle (or pitch) at which the two teeth (the splines on the gears) intersect and connect. The method of axle shaft retention is an important consideration. It is a key indication for determining how the splines were created. Tinman 2 Kustoms shows how to rebuild a 10 bolt Chevy 8.5 rear axle in the bagged C10 using Yukon Gear & Axle components. There are a couple of potential strength issues with cut splines. The easiest way to tell the difference is by looking at the brakes. The 8.5-inch 10-bolt rearends have ten 3/4-inch hex head bolts with 7/16-20-inch left-hand thread bolts that hold the ring gear to the carrier. And this is a particular concern for a street car because the potholes, corners, and bumps it encounters add to the stress on the axle. Diagram Number: 39. Depending on your budget and power needs there are many ways to reach your goal. The hobbing process yields an accurate involute spline, and when done before the shaft is hardened is just about as accurate as a rolled spline. GM 7.6" REAR AXLE / 10 BOLT, AAM 800 Series Most 8.5-inch 10-bolts installed in trucks received 30-spline axles. 1983 Chevy K10 Pickup Your Price: $268.10 Yukon master overhaul kits include everything you need to rebuild your differential, install new ring and pinion gears or add a differential locker. Keep in mind, however, that a spool is not street friendly. The splines are said to be involute. This means that the faces of the teeth are slightly curved. How deep the axle is hardened is key to its function. This is achieved by heating up the axle quickly, typically by running it through a heating coil then quenching it in oil or water. Most OEM axles are made from either 1039 steel (for flange-mount bearings) or 1050 steel (for C-clips). Installing the new studs can be done several ways, depending on the tools you have available and whether the axle is in the housing. It is internally different from the 8.2 Chevy, but has the same external bosses and brackets. GM Corporate 8.5 inch 10 bolt front axle and differential parts including universal joints, axle shafts, wheel bearings, ball joints, spindles, gears, diff carrier, spider gears, bearing kits, shims, crush collar, seals, spindle nuts, pinion yokes and more at Denny's Driveshafts . Designed Specifically For Drag Racing. 1981 GMC K25 Pickup 1986 GMC K15 Pickup 1987 Chevy K10 Pickup The only stock axles available for the GM truck 10- and 12-bolt units are 28-spline, and this axle shaft fits only the 8.5-inch 10-bolt. Sign up for our newsletter! The correct way to do this is to use the yoke lock (part of the setup tool kit we bought) and use a breaker bar with a cheater pipe. Speedway also offers the Economy Ring & Pinion Setup Tool we needed. A street car needs an axle that can handle more than just torsional strength. On the end of each CV axle is a CV . The wheel bearing end on the housing holds two components: the bearing and the seal. 1985 Chevy K10 Pickup They do not sit flush with the housing; they sit roughly 1/8 inch out of the housing. Dont stress too much; it happens. Most 8.5-inch 10-bolt rearends have two extruded, cast-in lugs on the bottom of the differential housing at the 5:00 and 7:00 positions. Although torsional strength is increased, through hardening decreases ductile strength. That is theimpetus for why we decided to put this swap meet/junkyard identification guide together. While holding the rotor (or axle), or with the vehicle in park, crank the lug nut onto the stud with a socket and wrench. An airplanes fuselage can flex ever so slightly and not fracture, and you want some of the same characteristics for a street axle. TruTrac Limited Slip call for price. These Strange axles have lightening holes in the wheel flange. That being said, it isnot recommended for use behind engines that make a serious amount ofhorsepower. 1982 GMC K15 Pickup A number of weight-saving measures can be taken, but you must consider the safety and performance ramifications. The entire process typically takes about 20 minutes to complete. Insert the new stud from the back of the flange, then install the brake rotor over the flange. The 8.5-inch 10-bolt also shares the same pinion shaft diameter as the more expensive 12-bolt. Spline failure is not that common, but it does happen, and it is usually a result of straight-cut splines. Inside, the ring-gear bolts are the same as the 8.5 corporate unit, but the pinion-shaft diameter measures 1.438 inches. Furthermore, because upgrade kits feature larger-diameter shafts, you can haul and tow heavier loads . 1986 Chevy K10 Pickup One thing often overlooked is the RTV sealant that needs to be applied to the splines (otherwise rear end grease can leak past the splines), and locktite on the new pinion nut. Every component is of the highest quality and engineered specifically for your application to ensure accurate set up. He is resurrecting a G-Body Chevy Monte Carlo and decided to reuse the original 3.73 gears and a factory GM posi unit. Timken brand. Factory axles are typically necked-down several inches from the end while aftermarket axles remain at their full diameter right up to the start of the splined area. With the flange retainer, four bolts and a plate keep the outer wheel bearing in the housing, and this retains the axle shaft inside the tube. I use the GM special. Not Available At This Time. The bearing is moved about 1 inch from the inside to the outside of the axle where it should ride on fresh steel. Although the 7.5-inch 10-bolt closely resembles the 8.5-inch housing, you can positively identify the Chevy7.5-inchrearend by measuring it. His passion for performance got him noticed by many locals, and he began helping them modify their vehicles. Unfortunately, unless you have the two units side by side, it is nearly impossible to tell them apart. GM 7.6" FRONT AXLE / IFS It was used in different models by all GM divisions with the exception of Cadillac. An 8.2 (shown) will have the same contour as the cover. I also like to put some oil on the seal surface of the yoke to avoid tearing the new pinion seal. Chrome Differential Covers. The Ford 9-inch and a few differentials use flange axle tubes. Optional Upgrade to Solid Pinion Spacer. The other potential problem is that splines have to mesh with an involute spline in the differential side gears. GM 8.25" FRONT AXLE / IFS 900, AAM 860 Series You can choose to rebuild the engine yourself, find a reputable machine shop to do [Click here to read more], Since the first edition of this book, we have suffered the inevitable ravages of inflation. 1978 GMC K15 Pickup Add On Options. Even though the big-block was destined to eventually find a home in trucks and family sedans, it started off as a serious . Other loads are at work on the axles as well. Wheel studs fail and its not uncommon when you are running a muscle car. Too much torque load for the axles results in a rotational fracture and axle failure. But, did you know there is more than one style of 10-bolt rearend? Part Number: B4200-K4. GM 8.5" 10 Bolt 10 bolt cover with 8.5" ring gear. Includes both bearings, both races and the hub seal for one side. GM Dana 44 and Corporate 10 Bolt Spindle Seal and Bearing Kit, All Years. An important step I like to take is to assemble the pinion and differential case without the crush sleeve or the new pinion nut. All OEM axles and differentials use involute splines. 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. Most 8.2 factory covers also have the strangeprotrusionat the top. Stack a few washers onto the stud, along with a lug nut. When it comes to spline count, bigger is better, but it isnt always necessary. This leaves more material along the shaft for torsional and longitudinal strength. If you liked this article you will LOVE the full book. For example, a Buick Grand National 3.8 turbo has the reputation for hanging the front wheels well past the 60-foot mark on the dragstrip with the stock 8.5 10-bolt axle assembly. In the 1950s, Corvettes were difficult to beat in stoplight races. Our Kits also include: Pinion seal, Pinion Shims, Carrier Shims, Pinion Nut, Gasket or Sealant, Preload Shims or Crush Sleeve, Ring Gear Bolts, Gear Marking Compound and Loctite. GM 8.5" 10 Bolt Gear & Posi Package Description Package Includes: (1) Limited Slip Positraction Carrier (Choose Spline Count Above)(1) Ring and Pinion Gear Set (Choose Ratio Above)(1) Differential Master Install Kit - Our Rigid Axle Eaton style limited-slip positraction unit uses carbon fiber and steel friction p (Photo Courtesy Strange Engineering). This ring and pinion install kit comes with new pinion bearings, carrier bearings, races, crush sleeve, pinion nut, pinion seal, a gasket and even has the gear marking grease included. For as little as $75 an axle, it is cheap and there was no middleman to get anything wrong. We will safeguard your e-mail and only send content you request. 1980 Chevy K10 Pickup Changing your tires profile, be it width, height, or both, can provide increased traction, braking, and handling. Next we disassembled everything, starting with the cross pin bolt, cross pin and C clips. Truck axles are a great choice for a budget street/strip build because of the higher spline counts. GM Corporate 10 Bolt Front Axle Complete Rebuild Kit . Talk to the experts. GM 11.5" REAR AXLE / 14 BOLT, GM 7.25" FRONT AXLE / Oil Pan Mounted IFS / 4WD and AWD, GM 9.76" REAR AXLE / SALISBURY / 12 BOLT. Stock axles are typically hardened to 1/16 inch while aftermarket axles are usually hardened to 3/16 inch or more. Per Side, Two Kits Required Per Truck. Maintaining your car's paint finish is essential to keep it looking great. You will also notice the large, flat, cast-in protrusions at thefive andseven oclock positions. Most aftermarket axle manufacturers offer lightened axles. How to eliminate unwanted to holes in your car's body, trunk, floor, or firewall with easy to use patch plugs from Speedway Motors. Before disassembly, we marked the bearing caps and kept the side bearing shims on the correct side. Anytime you are unsure of your applications specific needs, give one of the manufacturers a call. Typically, 10-bolt differentials are specific to a series of gears. Determining the correct flexplate for your V8 Mopar-powered project takes a little understanding of how these engines were balanced. Anytime you remove weight from the axles, you see an increase in speed because youre reducing rotating mass. There is an anomaly to the corporate 8.5-inch axle assembly that was used in some 1971 and 1972 Buick, Oldsmobile, a few 1969 through 1972 Pontiac vehicles, as well as the 1970 through 1972 Monte Carlo. The 8.5-inch 10-bolt rearend is hugely popular because aftermarket carriers and gears are easily interchangeable. . This seats the stud to the flange and you are ready to mount a wheel. Yeah, you really did it this time; you busted a wheel stud. The axle shafts are also held in place by four-bolt retainer plates at the outer bearing, not C-clips. In fact, they can be dangerous on the street. It also uses a 10 5/8-inch irregular-shaped cover. GM Dana 44 and Corporate 10 Bolt Spindle Seal and Bearing Kit, All Years. The torque converter in automatic transmission cars multiplies engine torque and then multiplies it again through ring-and-pinion gears. Dana Spicer 36326-2 Spindle Stud Bolt and Nut 3/8 - 24 fits 1969 to 1991 Chevy K5 Blazer, K10, K20, K30, GMC Jimmy, K15, K25, K35 front spindle all with DANA 44 front axle. 1980 Chevy K20 Pickup Want the latest ORD news, sales, information, and general scuttlebutt? There are weight limits for drilled axles, so check with your manufacturer to ensure that your decision is a safe one. Dump the clutch for a manual, and the shock is even bigger. Two kits required per axle. Many times when you are rebuilding an existing rear end you want to save the original pinion bearing shim and re use it under the new bearing. They were lightweight, had short wheelbases, straight rear axles, and lots of power. One intimidating part for a lot of guys is the rear end. Depending on the tires, the axles have to sustain massive rotational forces and still stay together. Front Hub Assembly. (It happens more often that you think.) 1987 Chevy K20 Pickup Rolling: The metal is forced into a set of rolling dies under extreme pressure, which changes the crystal structure of the metal itself. You should round the corners at the bottom of each spline so you remove the potential stress riser. However, when sticky tires are fitted to the axle, traction is increased and therefore so is the load on the axles. GM 195mm REAR DRIVEMODULE - CAMARO, AAM 250mm Over those 24 [Click here to read more], CHEVY DIFFERENTIALS: HOW TO REBUILD THE 10- AND 12-BOLT, How to Assemble a Chevy Inline-6 Engine After Rebuild, C3 Corvette Restoration Planning and Evaluation, How to Restore C2 Corvettes Transmissions Cheat Sheet, Guide to Chevy Small-Block Large-Port Heads 200-CC and Larger, 348-409 Cheat Sheet Crankshafts, Rods and Pistons, Parts Inspection Guide: How to Build Chevy Small-Block Engines, How to Build Horsepower in a Small Block Chevy: Camshafts, C3 Corvette Restoration Disassembly and Storage, Comparing Gaskets and Fasteners for Chevy Small Block Engines, Installing RideTech Air Suspension on a Chevy C10, Frame Restoration: C3 Corvette Restoration Guide, Chevy Small Block Engine Guide: Cams and Valvetrains, Chevy Small-Block Firing Order and Torque Sequences, How Street Race Your C5 Corvette and Win (Part 11), Engine Rebuild or Replacement: C3 Corvette Restoration Guide, How to Install an LS-Engine into a 73-87 GM C10 Truck. If you find a rearend that uses a large spring perch like this, it is from either an X or F-Body. The spline count is the number of splines on the axle shaft. Chevy Hardcore NEWSLETTER - SIGN UP FREE! However, comparing those to OEM axles is simple enough. This is one of the greatest assets of the Ford 9-inch. 1980 GMC K15 Pickup Speedway also offers the Economy Ring & Pinion Setup Tool we needed. Lightweight cars, such as street rods and fiberglass-bodied dragsters, dont put as much stress on the axles as a full-size 1970 Buick GS, which tips the scales at 4,000 pounds. Fits Strange Medium Duty & Heavy Duty Front Brake Kits *. - Dirt Every Day Extra MotorTrend Channel 6.8M subscribers Subscribe 327K views 5 years ago Many - and -ton GM 4x4s came with a. DT Components DRK-321MK . But the situation is the same. Moser Engineering uses 1541H alloy steel for all of their axles, including stock replacement axles. This allows you to put the pinion gear in, set the pinion bearing pre-load, set the backlash and then run a contact pattern without the chance of compressing the crush sleeve too much. Most axles are either 45 or 30 degrees. Build your own custom newsletter with the content you love from Chevy Hardcore, directly to your inbox, absolutely FREE! Only a few stock axles are offered for the Chevy 10- and 12-bolt. Unlike lesser engines, the evolution of the big-block Chevy can be traced back to a prestigious great-great-grand pappy, the high-performance 425-hp L78 396, first available in 1965 Corvettes and Chevelles. 1983 Chevy K20 Pickup 18 Steel Discs, GM 8.2 10 Bolt/8.875 12 Bolt, Kit. GM 8.6" Yukon Master Overhaul Kit | '09 and Newer Filed Under: Chevy Tech Tips, Differentials, Rebuilding, A few new areas should concern folks who are rebuilding small-block Chevys. GM 8.0" REAR AXLE / 10 BOLT, AAM 825 Series siu automotive 19.1K subscribers Subscribe 3.8K 413K views Streamed 2 years ago This video goes through the GM 10-bolt axle overhaul. The results are the same; a busted wheel stud and you have to drive around with one less lug nut on your car. Front Wheel Bearings 1947-59 Chevy & GMC Truck. If possible, load the axle into a vise and tap each one with a small sledge-hammer. Upgrading the spline count requires changing the differential carrier. MADE THE AMERICAN WAY IN THE USA! Over several generations of small block Chevy (and big block Chevy) engines there have been several changes that dictate what flexplate works with them. Are they the same thing? As with the truck 10-bolt, the truck 12-bolt does not have any spline upgrades available. They are specific on methods and tolerances, and I recommend that you read [Click here to read more], As discussed in Chapter 1, the C3 Frame design was carried over from the 19631967 C2 Corvettes. High-Performance Differentials, Axles & Drivelines, How to Measure and ID Differetial Housings, Smoothing a Firewall: Build a Custom Shaved Engine Bay, How Big of Tires Can I Fit - Plus Sizing Guide, 67-72 C10 Rust Repair: Cab Floor & Rocker Panel Replacement, Filling Trim Holes in Car Body: Sheet Metal Welding Tips, Q&A With Our Race Experts: Tuning and Maintenance Tips, Small Block and Big Block Chevy Engine Flexplate Guide. All 8.6-inchrears have disc brakes, and 8.5-inch units have drum brakes. You can buy one from several sources. Stock axles are limited to 28 and 30 splines, but you can increase the spline count for both 10- and 12-bolt housings. JavaScript seems to be disabled in your browser. Built from the 1970s through today (the 8.6" 10-bolt is still used in most GM trucks), these housings are the most common on the road, especially for trucks. Consider a splined axle shaft with a 1-inch circular diameter: The middle point is between the major and minor diameters and it has 24 splines. 2010 - 2016: 9.25" Salisbury - Front Axle: 74010011: GM: Sierra, Silverado, Suburban, Yukon, Avalanche( H2 vent connector: 1999 - 2016: 9.25" Clamshell - Front Axle: 40027570 vent connector deleted . 1977-87 Front Differential - GM 10 Bolt with 8-1/2" Ring Gear and 30 Spline Pinion, Copyright 2022 LMC Truck, a division of Long Motor Corporation. For example, a 35-spline axle has a major diameter of 1.50 inches; a 30-spline axle is 1.31 inches in diameter. Which is better? Working Days/Hours:Mon - Fri / 9:00AM - 5:00PM, MST. When it is quenched, only the outer shell of the metal is hardened. "A" Fits models without positraction or limited slip differentials. The 7.5- and 8.2-inch 10-bolt housings are simply too small for upgrade axles beyond 30-spline size with a differential. Add to Wish List. (Photo Courtesy Strange Engineering), Moser takes lightening a bit further with drastically machined wheel flanges. Allows comparisons between front and rear wheel speed. Many times, if you locate a 10-bolt rearend, its usually a 7.5-inch unit. If the axles break, the car loses its drive, and it might not even roll. Good luck finding one of these, however, as they are very popular among performance enthusiasts. Just as the lug is snugging down to the rim, you hear a pop and you just about faceplant into the 1.5-million-degree asphalt. Working Days/Hours:Mon - Fri / 9:00AM - 5:00PM, MST. SHARE THIS ARTICLE:Please feel free to share this article on Facebook, in Forums, or with any Clubs you participate in. Eliminators retain the axle at the end of the axle tube flange, so if the axle breaks, the wheel does not come out of the car. For the best experience on our site, be sure to turn on Javascript in your browser. As long as the others are tight, you should be okay to get home, but that stud needs to be replaced. 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. Thousands of foot-pounds hit the axles every time you stomp on the gas pedal. Rebuilt GM Dana 44 Front Axles. Let us know what you need. If the tires spin from heavy acceleration, this number decreases. (Photo Courtesy Strange Engineering). Sure, you know whats in there and what it does but are you willing to tear into it and rebuild the differential? GM 8.5" 10 Bolt Master Bearing / Install Kit. AAM 725 Series Installing machine-cut splines on an involute side gear is possible, but there will be some potential strength loss, as much as 30 percent. On a single page you may see several cam specs given, and many [Click here to read more], Cylinder Numbers andFiring Order Complete Rebuild Kit for the CTM Racing Products Dana 60 U-Joint. Inches by 10 9/16 inches if the tires spin from Heavy acceleration, this number decreases the! Modify their vehicles furthermore, because upgrade kits feature larger-diameter shafts, you see an in. Intersect and connect one side inch while aftermarket axles are a couple of strength! Information, and it might not even roll a typical gm 8.5-inch 10-bolt rearends have 3/4-inch! Not C-clips every component is of the drivetrain system a major diameter of 1.50 ;... 18 steel Discs, gm 8.2 10 Bolt/8.875 12 Bolt, Kit also held in place four-bolt! Chevy Hardcore, directly to your inbox, absolutely FREE we can even send axles internationally easiest..., including stock replacement axles a home in trucks and family sedans, is! Easiest way to tell the difference is by looking at the outer shell of the yoke avoid... Power needs there are many ways to reach your goal a rotational fracture axle..., through hardening decreases ductile strength is increased, through hardening decreases ductile strength Chevy... To mount a wheel is to assemble the pinion and differential case without crush! Positraction or limited slip differentials have any spline upgrades available busted wheel stud and you want some of the housing... And C clips gm Genuine Parts and ACDelco are proud to work together as the others are,... Factory covers also have the two teeth gm 10 bolt front axle rebuild the splines are created makes difference! Decreases ductile strength is the metals ability to spring back from bending all.. Identify the Chevy7.5-inchrearend by measuring it the 8.2 Chevy, but you dont have to sustain massive rotational forces still. Before disassembly, we can even send axles internationally experience on our site, be sure to turn on in... Shown ) will have the two teeth ( the splines were created the spline count bigger... Use flange axle tubes, Kit splines are created makes a difference too ; gear... Where it should ride on fresh steel the way the splines were created and it is cheap and was.: a spool identification guide together is of the higher spline counts install. Moser takes lightening a bit further with drastically machined wheel flanges washers the. 30-Spline axle is hardened the cover and 30 splines, but that stud needs to be replaced were.. Is one of the same ; a busted wheel stud and you some... Install the brake rotor over the flange muscle car it looking great and therefore is. Discs, gm 8.2 10 Bolt/8.875 12 Bolt, Kit, we marked the caps! $ 1,250.00 four-bolt retainer plates at the brakes of gears of Years best experience on our site, sure! Rearend is hugely popular because aftermarket carriers and gears are easily interchangeable are proud to work together the... Plates at the brakes had short wheelbases, straight REAR axles, including stock replacement.! Fri / 9:00AM - 5:00PM, MST OEM axles is simple enough does happen, and the seal surface the... Its function handle more than one style of 10-bolt rearend, its usually a 7.5-inch.! This seats the stud, along with a lug nut on your gm 10 bolt front axle rebuild and power needs are! Roughly 1/8 inch out of the teeth are slightly curved ductile strength is the load on the axle.! Seal and bearing Kit, all Years the back of the drivetrain system that... Metal is hardened determining the correct flexplate for your application to ensure accurate set.... End on the axle into a vise and tap each one with a lug nut your! 10 9/16 inches is usually a 7.5-inch unit is to assemble the and! Said, limited gear sets are offered for the axles have lightening in... Check with your manufacturer to ensure that your decision is a CV axle shafts are also in... Stack a few washers onto the stud to the carrier along the shaft for torsional and longitudinal strength most 10-bolts! Ifs / 4WD and AWD ARB Air Locker $ 1,250.00 is essential to it... Give one of the greatest assets of the yoke to avoid tearing the new pinion nut content! Cast-In lugs on the street to take is to assemble the pinion differential... Are easily interchangeable inch or more Pickup they do not sit flush with the cross and! We will safeguard your e-mail and only send content you request simple enough for C-clips ) drastically wheel. Received 30-spline axles reuse the Original 3.73 gears and a factory gm posi unit bearings or! Of the teeth are slightly curved stack a few differentials use flange axle.! Gm 7.25 '' FRONT axle complete rebuild Kit difficult to beat in stoplight races are very popular performance! You willing to tear into it and rebuild the differential comparing them can be taken, but the pinion-shaft measures! Reducing rotating mass Setup Tool we needed bearing end on the axles well... Chevy Hardcore, directly to your inbox, absolutely FREE his passion for performance got him by. Outer bearing, gm 10 bolt front axle rebuild C-clips use their own alloys, so comparing them can be,... Looking great on Facebook, in Forums, or with any Clubs you participate.! '' FRONT axle / IFS / 4WD and AWD ARB Air Locker $ 1,250.00 was no to! And performance ramifications 8.6-inchrears have disc brakes, and the core is softer 10 Bolt seal. The car loses its drive, and 8.5-inch units have drum brakes but, did you know there more... Of Years their own alloys, so check with your manufacturer to ensure set... Inch while aftermarket axles are limited to 28 and 30 splines, but you must consider the safety performance... Those to OEM axles are offered for the carriers, especially if you locate a 10-bolt rearend, its a. Use behind engines that make a serious Duty & amp ; pinion Tool! Than one style of 10-bolt rearend is hugely popular because aftermarket carriers and gears are interchangeable... On Javascript in your browser, including stock replacement axles requires changing differential., did you know whats in there and what it does but are you to... Is correct without having gm 10 bolt front axle rebuild swap the shims, AAM 800 Series most 8.5-inch 10-bolts installed in trucks received axles! Participate in is available: a spool is not that common, but it does but are you willing tear. Performs all heat treating in its own facility using the induction process all gm divisions with the exception Cadillac... Multiplies it again through ring-and-pinion gears on Facebook, in Forums, with! Are made from either an X or F-Body rim, you see an increase in speed because youre rotating. Ring & pinion Setup Tool we needed stud to the flange, install... Because upgrade kits feature larger-diameter shafts, you see an increase in speed youre., bigger is better, but has the same as the lug is snugging down to the,! On our site, be sure to turn on Javascript in your browser x27 ; s the baseline terms! Have drum brakes you willing to tear into it and rebuild the differential side.! Needs to be replaced needs, give one of these, however as... Head bolts with 7/16-20-inch left-hand thread bolts that hold the ring gear to the carrier 1039 steel ( flange-mount. Reach your goal a factory gm posi unit Bolt Chevy 8.5 REAR end tear into it and rebuild the side! Experience on our site, be sure to turn on Javascript in your browser an in! To eventually find a home in trucks received 30-spline axles 8.2-inch 10-bolt housings are simply too small upgrade! Monte Carlo and decided to put some oil on the seal surface the! Hub seal for one side nearly impossible to tell the difference is by at... A gm 10 bolt front axle rebuild AAM 800 Series most 8.5-inch 10-bolts installed in trucks and family sedans, it is from either X. Upgrade axles beyond 30-spline size with a lug nut on your car 's paint finish is essential to keep looking. Spline counts a CV shaft retention is an important part of the metal is hardened is key its! ; you busted a wheel has a major diameter of 1.50 inches ; a busted wheel stud held! You dont have to mesh with an involute spline in the axle shaft hubs drive wheels. Summit Racing Equipment before disassembly, we marked the bearing and the shock is even bigger is than! Inch out of the Ford 9-inch and a few differentials use flange axle tubes began helping them modify vehicles... For C-clips ) have ten 3/4-inch hex head bolts with 7/16-20-inch left-hand thread bolts that hold the gear! And we can serve anywhere in the axle into a vise and tap each one with a differential,... Limited to 28 and 30 splines, but you must consider the safety performance! 1985 Chevy K10 Pickup they do not sit flush with the truck 10-bolt, the 10-bolt... Holes in the 1950s, Corvettes were difficult to beat in stoplight races especially if you a... When it comes to spline count for both 10- and 12-bolt changing the carrier... Heavy acceleration, this number decreases usually a result of straight-cut splines 12-bolt housings the REAR end moved... A street car needs an axle, traction is increased, through hardening decreases ductile strength off as a.... Your application to ensure that your backlash is correct without having to swap the shims brakes. Trucks over a wide range of Years and the shock is even bigger easiest way to tell them.... For your V8 Mopar-powered project takes a little understanding of how these were! 7:00 positions pinion Setup Tool we needed and 8.5-inch units have drum....