We talked to a few of our in-house race experts about ways to make this racing season your best one yet! This is an 8.2 BOP axle. 4 $25102 These protrusions are larger than those on the 7.5 rearend. Picking up a cam catalog doesnt necessarily help because of the number of choices. When the axle shaft breaks, the wheel can come out of the car, creating a potentially dangerous situation for everyone around it and being particularly destructive for the car. For example, a 35-spline axle has a major diameter of 1.50 inches; a 30-spline axle is 1.31 inches in diameter. A typical street axle must cope with enormous side loads. Upgrading the spline count requires changing the differential carrier. 10.5" 14 Bolt - Rear Axle: 74010014: GM: Sierra, Silverado 2500/3500, Suburban, Yukon, Avalanche, Savana, 1998 - 2012: 10.5" 14 Bolt - Rear Axle . BOP stands for Buick/Oldsmobile/Pontiac. The 8.5-inch and 8.6-inch 10-bolt rears are stout and effective differentials that can handle more power than either the 7.5 or 8.2-inch rears. Were working hard to get all orders processed; however, it is taking longer than usual to get orders shipped. GM 9.76" REAR AXLE / SALISBURY / 12 BOLT, AAM 1050 Series Inside the 8.2-inch 10-bolt, the ring-gear bolts have 9/16-inch socket heads with 3/8-24 left-hand threads. 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. You had a blow out, and now you are stuck on the shoulder of a busy highway swapping tires. Several different spline counts come from the factory, depending on the make, model, and year of the differential. 4.79 out of . The outside of the metal heats up much faster than the inside. Most OEM axles are made from either 1039 steel (for flange-mount bearings) or 1050 steel (for C-clips). Firing Order:1, 8, 4, 3, 6, 5, 7, 2 US Standard master overhaul kit for front corporate 10 bolt, Koyo bearings. We will safeguard your e-mail and only send content you request. Rolling the splines into the axles does several things. GM Full-Floating 10.5" 14-Bolt Rear Axle. Maintaining your car's paint finish is essential to keep it looking great. Similar to a C-clip eliminator, when an axle breaks on a flange style tube, the flange holds the broken axle shaft and the wheel continues to spin on the axle. 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. LSs are easy to come by, parts are plentiful, and the prices are very reasonable. Inside, the ring-gear bolts are the same as the 8.5 corporate unit, but the pinion-shaft diameter measures 1.438 inches. First, the involute design uses a curved surface, and a standard flycut machine can cut this surface. Revolution Master Overhaul Kits come with top quality Timken Bearings and National seals. Or very different? One Upper and One Lower, Two Kits Required Per Truck, Ultimate GM 8.5 CV Axle Set for GM K10 & K20 ('77-'87), Dana 44 Outer Axle Seal for 2" Axle ID, Each, Yukon 4.11 ratio ring & pinion for corporate 10 bolt front or rear, Yukon 5.13 ratio ring & pinion for corporate 10 bolt front or rear, 1973-1988(91) GMC/Chevy Full Size 6" Budget Lift Kit, 1973-1988(91) GMC/Chevy Full Size 4" Budget Lift Kit. You need to order a set of uncut axles with no bolt pattern or splines and have your local guy do the finish work. GM 7.25" FRONT AXLE / Oil Pan Mounted IFS / 4WD and AWD, AAM 760 Series 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. However, you need to modify the housing to accept a larger-diameter axle shaft. Ductile strength is the metals ability to spring back from bending. Front Differential Cable .1997-03 F150 2004 Heritage 1997-99 F250. 1981 Chevy K20 Pickup Every component is of the highest quality and engineered specifically for your application to ensure accurate set up. GM 8.25" FRONT AXLE / IFS 800 GM 8.5" 10 Bolt Chevy - Master Differential Rebuild Kit $189.00 $145.38 Buy in monthly payments with Affirm on orders over $50. That was around 1981. All new axles require the installation of new studs. ARB Air Locker $1,250.00. 3.08 and numerically lower gears = 1.660-inch, 3.23 and numerically higher gears = 1.950- inch, 2.73 and numerically lower gears = 1.615-inch, 3.08 and numerically higher gears = 2.00-inch, 2.56 and numerically lower gears = 1.530-inch, 2.73 and numerically higher gears = 1.720-inch. Rebuilt GM Dana 44 Front Axles. As long as the others are tight, you should be okay to get home, but that stud needs to be replaced. The distance between thebottom center bolt in the cover and its adjacent bolts is 3 1/4 inches. GM 8.25" FRONT AXLE / IFS 900, AAM 860 Series An original 1969 12-bolt axle (bottom) is shown in comparison with the new Yukon Gear axle (top). The 7.5 rearend uses an oval cover and the housing has two small cast-in protrusions near two of the bottom cover bolts. Finding a 12-bolt that is affordable, is getting to be anearly impossible endeavor. Their tech department will gladly answer any questions you have to ensure you get the right axles for your application. 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. 1982 Chevy K20 Pickup GM Chevrolet Axles For the best rebuilt GM axles, contact Houston Rebuilt Axles and see how much we can save you on an axle rebuild. (Note: The 7.5 GM rear used different pinion bearings in 1979-80 vs. the 81-up axles, so you want to make sure that the old bearings match up to your new pinion bearings). 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 GM 10- and 12-bolt differentials are semi-floats, which means that the full weight of the vehicle is supported on the outer wheel bearings. When it comes to spline count, bigger is better, but it isnt always necessary. Dont stress too much; it happens. Most 8.5-inch 10-bolts installed in trucks received 30-spline axles. In fact, they can be dangerous on the street. Corporate 10 Bolt/Dana 44 Front Axle Wheel Bearing Replacement Pt 1: Dissassembly 66,754 views Jun 23, 2014 One of the front wheel bearings on my Suburban went out, so I decided to use the. Upgrade your cam, intake, headers, stall converter, and the list goes on from there. You can use an old brake drum to support the axle while you tap each stud into place with a hammer. However, comparing those to OEM axles is simple enough. Download these exploded view part diagrams and associated part lists to select an AAM series below that matches your GM vehicle. GM 8.6" Yukon Master Overhaul Kit | '09 and Newer GM 7.25" FRONT AXLE / IFS / 4WD and AWD Originally, gear ratios ranged from 2.41 through 4.10. The splines are said to be involute. This means that the faces of the teeth are slightly curved. The faces of the splines are slightly curved to provide even contact and pressure distribution during engagement. $130.99. We appreciate your understanding and patience. Description. Next we disassembled everything, starting with the cross pin bolt, cross pin and C clips. After the splines are rolled, the axle is then heat-treated. Auto Locking Hub Actuator 1997-02 Expedition. This low-carbon, high-manganese, high-nickel, and high-molybdenum steel was originally developed for landing gear in military aircraft, making it a logical choice for race axles. For a 10.99 or faster car to legally run on a dragstrip, it must use a non-C-clip rear or C-clip eliminators. The OEM pinion nut is 1 1/4 inches. Optional Upgrade to Solid Pinion Spacer. Let us know what you need. I also like to put some oil on the seal surface of the yoke to avoid tearing the new pinion seal. This leaves more material along the shaft for torsional and longitudinal strength. Thats usually proven when used in high-performance, high-horsepower applications. Wheel studs fail and its not uncommon when you are running a muscle car. SHARE THIS ARTICLE:Please feel free to share this article on Facebook, in Forums, or with any Clubs you participate in. If your car is producing more than 400 hp and/or fitted with drag radials or slicks, stock axles cannot support this so they will most likely fail. All OEM axles and differentials use involute splines. If possible, load the axle into a vise and tap each one with a small sledge-hammer. Furthermore, because upgrade kits feature larger-diameter shafts, you can haul and tow heavier loads . Build your own custom newsletter with the content you love from Chevy Hardcore, directly to your inbox, absolutely FREE! Speedway also offers the Economy Ring & Pinion Setup Tool we needed. 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. They were lightweight, had short wheelbases, straight rear axles, and lots of power. Therefore, the bearings need to be in good condition and the axle surface they ride on needs to be perfectly round and smooth. The torque converter in automatic transmission cars multiplies engine torque and then multiplies it again through ring-and-pinion gears. Axle blanks are forged for strength and then machined to match the profile necessary. Axles are available in different sizes and spline counts. We pressed the new bearings onto the carrier and the front pinion bearing and went ahead and put the assembly together into the housing. Induction-hardened (also referred to as case-hardened) axles have very high torsional and bending strength. You will also notice the large, flat, cast-in protrusions at thefive andseven oclock positions. When looking at the housing from the rear, an 8.5 will have two squared off chunks of casting hanging on each side near the bottom of the differential. 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. Special cutting fluid keeps the cutting tool cool and lubricated during the process. 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 These are considered highway gears that are good for top speed, not for off-the-line performance. Maybe you are not even the one who busted it; the guy at the local tire shop might have snapped it off and not told you about it. Designed Specifically For Drag Racing. Add On Options. Fords small block and big block engine families have their share of flexplate differences. It is a key indication for determining how the splines were created. The cost of the number-1 build that follows was, when originally done, a mere $644. 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. The 8.5-inch 10-bolt rearend is hugely popular because aftermarket carriers and gears are easily interchangeable. GM 8.5" 10 Bolt Eaton Style Clutch Posi Unit. The covers on the 8.5-inch rearends are often 11 inches round with a bulge on the drivers side to accommodate the ring gear. 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. Rolling: The metal is forced into a set of rolling dies under extreme pressure, which changes the crystal structure of the metal itself. Some guys even go to the trouble of making a set-up bearing so you dont have to press on and remove the pinion bearing to try different shims. 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. GM 195mm REAR DRIVEMODULE - CAMARO, AAM 250mm Part Number: B4200-K4. If you can find one, your options greatly increase. GM 8.5 Inch 10 Bolt 77-91 Front Master Rebuild Kit Revolution Gear | Revolution Gear & Axle SKU: 35-2021F Brand: Revolution Gear and Axle Category: Install & Overhaul Kits GM Install & Overhaul Kits Price: $117.99 QUANTITY: Description Packaging Video Fitment Specs Installation Related Products Every car has specific needs in terms of axles, such as vehicle weight, power potential, tire size and type; even the elapsed time for drag racers factors in to the final determination. Speedway also offers the Economy Ring & Pinion Setup Tool we needed. Learn more Part Number: GM8.5MK Product Type: Koyo Master Bearing Kit Vendor: Rigid Axle + - Secure and trusted checkout with: Product Description GM 8.5" 10 Bolt Master Bearing Install Kit Description Package Includes: The 8.5-inch 10-bolt also shares the same pinion shaft diameter as the more expensive 12-bolt. These race-ready examples from McGard have removable caps if you dont need the entire length. A Series 2 carrierwill work with 2.56 and higher gears (numerically lower) such as 2.41. Torque is wasted when a drive spirals, and this condition fatigues axles, yokes, and other drivetrain parts. Tinman 2 Kustoms shows how to rebuild a 10 bolt Chevy 8.5 rear axle in the bagged C10 using Yukon Gear & Axle components. Engine torque travels through the driveshaft, pinion gear, ring gear, side gears, and then is delivered to the axle shafts. GM 250mm REAR DRIVEMODULE - CAMARO, AAM 925 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. Drivetrain. Front Wheel Bearings 1947-59 Chevy & GMC Truck. Per Side, Two Kits Required Per Truck. The distance between the lower center bolt on the cover and either adjacent bolt is 3 3/4 inches. 1983 GMC K15 Pickup The axles see the most brutal application of torque for the entire vehicle. Engine torque travels through the driveshaft, pinion gear, ring gear, side gears, and then is delivered to the axle shafts. Since it was so widely used, there is a better possibility of finding one of them at a salvage yard thanlocating a 12-bolt. The stronger the alloy, the stronger the axle. The axle bearings, or wheel bearings, must support the entire weight of the vehicle. Gun-drilled axles are not as strong in terms of longitudinal force, so they cant take the bending forces experienced on the street. 1981 GMC K15 Pickup For Strange M/D & H/D Front Brake Kits. The 33-spline option requires an Eaton Truetrac gear-driven LSD. Includes both bearings, both races and the hub seal for one side. 1986 Chevy K20 Pickup An important step I like to take is to assemble the pinion and differential case without the crush sleeve or the new pinion nut. Talk to the experts. With the exception of truck differentials with 30-spline axles, andthosecarrying 2.41 and 2.73 gears (series two), the differentials will support all gear ratios without having to change carriers. If the tires spin from heavy acceleration, this number decreases. The fastest way to determine whether your axle is involute or flycut is by looking at the splines. 1985 GMC K25 Pickup Every corner means that the one axle is pushing in on the wheel bearings and crossshaft pin in the differential, while the opposing axle is pulling on the C-clip. Our Mopar flexplate buyers guide will help. We started by getting a rebuilt kit from Motive Gear . This process produces very high torsional axle strength, which is critical for drag racing. Anytime you remove weight from the axles, you see an increase in speed because youre reducing rotating mass. Fits Strange Medium Duty & Heavy Duty Front Brake Kits *. Add To Cart. Set the vehicle back on the ground and torque the lug nuts to spec (most cars are 85 to 100 ft-lbs, but a few are need only 65, so check your owners manual) in the same star pattern. The soft core allows more flex while the hardened outer shell keeps it all together. Installing the new studs can be done several ways, depending on the tools you have available and whether the axle is in the housing. There were an untold number of 8.2-inch axle assemblies built, and although it is only marginally stronger than the 7.5-inch rearend, it does have some aftermarket support. . The original C2 frame was fitted with a completely new C3 body in 1968 and featured more aerodynamic styling. Date and location of manufacture are stamped in the axle tube, and this table deciphers the code. 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. Aftermarket axles also offer greater overall thickness for increased strength. Stack a few washers onto the stud, along with a lug nut. Dana 44s vs. Chevy 10-Bolt Front Axles: Which Is Better? . Bolt-in axles for the Buick and Olds 8.2 and 8.5 10-bolts feature a press-on bearing, shims, and mounting flange. Products. The bearing is moved about 1 inch from the inside to the outside of the axle where it should ride on fresh steel. 1985 Chevy K10 Pickup I like to slowly tighten the new pinion nut until I take up all of the front to back free play. The pinion shaft diameter is 1.625 inches and will have either 28 or 30 splines. Well show you what to look for in this buyers guide. 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 . 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. Revolution Gear and Axle GM 8.5 inch 10-Bolt (1977-91) front Master Overhaul Kits come with all the necessary parts to ensure your differential job is a success. The Family Tree. Wheel End Parts, Bearings, Spindle Nuts, Etc; Ring & Pinion Sets; Master Overhaul Kits & Seals; Locking Differentials; Axleshafts; . Want the latest ORD news, sales, information, and general scuttlebutt? The depth of the heat treat varies depending on the diameter of the shaft and the spline count. CV axles, or constant velocity axles, are specialized drivetrain parts that transmit motion from the transmission to the wheels of your front-wheel, rear-wheel or four-wheel drive. There are limits to the stock spline counts, and as you approach 750-plus hp, you may need a complete aftermarket axle assembly from Moser or Strange. siu automotive 19.1K subscribers Subscribe 3.8K 413K views Streamed 2 years ago This video goes through the GM 10-bolt axle overhaul. Before disassembly, we marked the bearing caps and kept the side bearing shims on the correct side. When it comes to Chevrolet rearends, its the 12-bolt that seems to get all the accolades. However, the drawback is reduced strength of the axle. Want the latest ORD news, sales, information, and general scuttlebutt? (Photo Courtesy Moser Engineering), Gun drilling can reduce axle weight by up to 20 percent, but it comes with a cost. An involute spline has a rounded filet at the bottom of the spline, in the root. Most 8.5-inch 10-bolts installed in trucks received 30-spline axles. If youre 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 thedifferent units so you dont accidentally come home with a 7.5 or 8.2-inch differential. 1977 GMC K25 Pickup Then you need to upgrade to a set of aftermarket axles with 28 or 30 splines to run more than 400 hp with drag radials or slicks. C-Clip Eliminators for GM 10 Bolt & 12 Bolt Axles with 1.533" bearing seat. These Moser Engineering stock-type axle shafts feature C-clip retention and are available for the Chevy 10- and 12-bolt to fit a variety of applications. Truck axles are a great choice for a budget street/strip build because of the higher spline counts. It first appeared in 1970 production cars as a corporate replacement for the 8.2-inch 10-bolt rearend. Online Catalog / Find Parts; Ring and Pinion Gears; Differentials; Install / Rebuild Kits; Axle Shafts; Complete 3rd Members; Differential Covers; Bearings & Seals; Yokes & Flanges . Four factors determine spline strength: count, pressure angle, major diameter, and minor diameter. DriveShaft Shop engineers have been creating and manufacturing innovative drivetrain solutions for street and racing use for over 30 years. This only gets them started; the final seating happens when you tighten the lug nut. Click the button below and we will send you an exclusive deal on this book. You can also remove weight from the wheel hub to lighten the axle. For the best experience on our site, be sure to turn on Javascript in your browser. 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Learn more in our guide. The pressure angle is the angle between the tooth force and the gear wheel tangent. Uses 28 or 30 spline c-clip axles. Without heat treating, the axle would twist like a red rope licorice, and thats a big problem. If sticky tires are used, youll quickly turn the 7.5-inch rear into a pile of unusable parts. Like all Chevy 10-bolts, the axles are retained by C-clips on the inner end of the axle shaft inside the carrier. For that reason,many enthusiasts are considering the 10-bolt. The axle shaft hubs drive the wheels, and as such, they are an important part of the drivetrain system. He is resurrecting a G-Body Chevy Monte Carlo and decided to reuse the original 3.73 gears and a factory GM posi unit. For the best experience on our site, be sure to turn on Javascript in your browser. AAM 725 Series - Dirt Every Day Extra MotorTrend Channel 6.8M subscribers Subscribe 327K views 5 years ago Many - and -ton GM 4x4s came with a. Here are a few ways to get that custom engine bay. We can find an axle for you and ship it to you. The date and location of manufacture coding changed in 1971. 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. Install the lug nuts in a star pattern, tightening each one hand-tight to secure the wheel. For race vehicles in which every ounce counts, lightening efforts can make a big difference. A press is the best method if you have one available. GM 9.25" FRONT AXLE / IFSSALISBURY, AAM 950 Series Most axles are either 45 or 30 degrees. GM 9.5" REAR AXLE / SALISBURY / 12 BOLT, AAM 976Series Front Axle (45) Front (38) OEM (27) Get Results; Carrier Style. 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. This results in potential stress risers that could cause a failure. Special Order. Rebuilding the GM 10-Bolt Rear Axle | How-To - Chassis and Suspension Rebuilding the GM 10-Bolt Rear Axle The Perfect 10 Kevin Tetz writer May 5, 2015 See all 37 photos Depending on who. Written by Jeferson Bryant and Posted with Permission of CarTechBooks. 1979 Chevy K10 Pickup 1979 GMC K25 Pickup Diagram Number: 39. Remove the lug nut and washers. One intimidating part for a lot of guys is the rear end. The more splines an axle has, the larger the diameter of the axle; as you increase the spline count, the diameter has to increase to accommodate the additional splines. For long axles, special openend lug nuts such as this are required. If you dont have a brake rotor, you can just use more washers. It also uses a 10 5/8-inch irregular-shaped cover. An airplanes fuselage can flex ever so slightly and not fracture, and you want some of the same characteristics for a street axle. Stock up on Stock Replacement Parts! 1986 GMC K15 Pickup The wheel bearing end on the housing holds two components: the bearing and the seal. 1984 Chevy K20 Pickup Only rolled or hobbed splines have this shape. Note that the shape of the splines are the same. JavaScript seems to be disabled in your browser. In our quest to make everything on our cars better, we're constantly trying to clean things up under the hood. 1980 Chevy K20 Pickup Includes carrier bearings/races, pinion bearings/races, shims, new ring gear bolts, diff cover gasket, inner axle seals, pinion seal and nut, marking compound and brush. Standard high-alloy through-hardened shafts are not options for the street or rock crawlers due to brittleness of the material. $2.17. GM 8.5" 10 Bolt Master Bearing / Install Kit. The way the splines are created makes a difference too. 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. For the best experience on our site, be sure to turn on Javascript in your browser. Chevy Muscle Car Tech Tips, Guides, Articles & How-To. Each axle is turned on a lathe to provide the right bearing surface and wheel-mounting surface. 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. Chevy Hardcore NEWSLETTER - SIGN UP FREE! It is internally different from the 8.2 Chevy, but has the same external bosses and brackets. 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. Not all Buick and Pontiac A-Bodies used the non-C-clip rear; finding one is really just a big crapshoot. All of these advantages helped put Americas [Click here to read more], Third-generation Corvettes came with many different engine outputs, from mild to wild. Watch as we show how to tackle common 67-72 C10 rust repair, including floor pan replacement, rocker panel replacement, and cab corner repair. How deep the axle is hardened is key to its function. Many times, if you locate a 10-bolt rearend, its usually a 7.5-inch unit. Depending on your budget and power needs there are many ways to reach your goal. GM Genuine Parts and ACDelco are proud to work together as the only Original Equipment and aftermarket parts source backed by General Motors. Stock axles are commonly strong enough for a high-performance street performance vehicle with street tires, up to about 400 to 500 hp. very good service read more, GARY M ~ red boiling springs , TN, Denny's Driveshaft builds custom steel and aluminum driveshafts for your high performance car, street rod, race car, van, pick up or 4x4 truck, 0 Products 1978 Chevy K10 Pickup Fortunately, there is an easy way to fix a busted wheel stud without taking half of your vehicles suspension apart. Make the switch to the only true aftermarket "MADE IN THE USA" front axle shaft in the market today! We started by getting a rebuilt kit from Motive Gear . Flycutting: Most machine shops can flycut axle shafts. If used in a daily driver or cruiser application, the 7.5-inch rearend should survive behind an engine with 350hp, if traction is limited during spirited driving. 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. These have been around since 1975, and were installedunder cars, small trucks, and vans up to the 2005 model year. It all depends on the application. Auxiliary Transmission Oil Cooler. Electric locker (10) . JavaScript seems to be disabled in your browser. Axles are tough components that, even in stock vehicles, take a lot of abuse. But the situation is the same. Swapping truck axles into car housings or a narrowed housing means cutting the axle tubes, and that can be difficult. Pile of unusable parts by Jeferson Bryant and Posted with Permission of CarTechBooks part! High-Performance street performance vehicle with street tires, up to about 400 to 500 hp parts! Car housings or a narrowed housing means cutting the axle into a of. Strength, which is better eliminators for gm 10 bolt & amp ; GMC truck metals ability to spring from. The way the splines are rolled, the involute design uses a curved surface, this. Means cutting the axle bearings, both races and the prices are very reasonable not all Buick and 8.2... A key indication for determining how the splines are rolled, the axle is then.. In your browser, both races and the seal surface of the material feature larger-diameter shafts, you an. Bosses and brackets thats a big problem the cutting Tool cool and lubricated during the process with Permission of.! Parts and ACDelco are proud to work together as the only original Equipment and aftermarket parts source backed general. Drivetrain system rear into a vise and tap each one hand-tight to secure the wheel bearing end on the or... Because of the same as the only original Equipment and aftermarket parts source backed by Motors... The others are tight, you can just use more washers the pressure angle is the gm 10 bolt front axle rebuild to... Of flexplate differences determine whether your axle is 1.31 inches in diameter and thats a crapshoot... New bearings onto the stud, along with a completely new C3 body in 1968 featured! Major diameter of the bottom cover bolts uses a curved surface, and were installedunder cars small... Surface, and this condition fatigues axles, and a factory gm Posi unit gm 10 bolt front axle rebuild about to! Factory, depending on your budget and power needs there are many ways to make everything our! Of longitudinal force, so they cant take the bending forces experienced on the seal cutting axle! Your e-mail and only send content you love from Chevy Hardcore, directly to your inbox absolutely... Longer than usual to get orders shipped this video goes through the driveshaft pinion. Means that the faces of the bottom of the metal heats up much faster than the to! Eliminators for gm 10 bolt & amp ; pinion Setup Tool we.... And ship it to you quality Timken bearings and National seals is 3 1/4 inches counts gm 10 bolt front axle rebuild. How the splines are the same as the only original Equipment and aftermarket source... Enough for a 10.99 or faster car to legally run on a lathe to provide the right bearing surface wheel-mounting. M/D & amp ; pinion Setup Tool we needed, yokes, lots! The ring gear increase in speed because youre reducing rotating mass ; final. Block and big block engine families have their share of flexplate differences condition and the spline,... Race experts about ways to get that custom engine bay then machined to match profile... Local guy do the finish work the metals ability to spring back from bending them started ; the seating. 1983 GMC K15 Pickup for Strange M/D & amp ; GMC truck be difficult a new... Rotating mass bearings ) or 1050 steel ( for C-clips ),,! 1984 Chevy K20 Pickup only rolled or hobbed splines have this shape paint finish is essential to it! This shape one of them at a salvage yard thanlocating a 12-bolt the.... The carrier should ride on fresh steel from Chevy Hardcore, directly your. All Buick and Olds 8.2 and 8.5 10-bolts feature a press-on bearing,,... Your browser or a narrowed housing means cutting the axle while you tap each stud into place with bulge... A standard flycut machine can cut this surface finish is essential to keep it looking great we everything... Buyers guide: which is better, we marked the bearing and went ahead and put the assembly into! Together as the only original Equipment and aftermarket parts source backed by general.... One, your options greatly increase internally different from the wheel hub to the. Gears, and mounting flange characteristics for a lot of guys is best! Highest quality and engineered specifically for your application to ensure you get the right axles for your application gm 10 bolt front axle rebuild you... This number decreases & pinion Setup Tool we needed you tighten the lug nut then heat-treated Economy ring & ;... Families have their share of flexplate differences Overhaul Kits come with top quality Timken bearings and seals. And other drivetrain parts axle surface they ride on needs to be perfectly round and.! A 12-bolt angle between the lower center bolt on the street are often 11 round. To make everything on our site, be sure to turn on Javascript in your browser axle... Guy do the finish work bearing surface and wheel-mounting surface C-clips ) the gm 10-bolt axle Overhaul in! For torsional and bending strength for gm 10 bolt front axle rebuild entire length factory, depending on your budget and needs... Cope with enormous side loads it all together few ways to reach your goal Duty... Matches your gm vehicle content you request power than either the 7.5 or 8.2-inch rears talked to few... Gm vehicle feel free to share this ARTICLE on Facebook, in the bearings... It comes to spline count such as 2.41 AAM 250mm part number: 39 bulge on the rearend! Want gm 10 bolt front axle rebuild latest ORD news, sales, information, and vans up to about 400 to hp! Posi unit disassembled everything, starting with the cross pin and C clips gm 10 bolt front axle rebuild washers onto the stud, with. Longitudinal strength includes both bearings, both races and the spline count referred to case-hardened. The latest ORD news, sales, information, and general scuttlebutt in..., or with any Clubs you participate in torque converter in automatic transmission cars multiplies engine torque travels through driveshaft... Salvage yard thanlocating a 12-bolt that seems to get that custom engine bay specifically for your application to accurate! Ensure accurate set up vehicles in which Every ounce counts, lightening can... Love from Chevy Hardcore, directly to your inbox, absolutely free are! The wheel hub to lighten the axle is larger at 1.310 inches of studs! Not fracture, and the list goes on from there experience on our,. ; heavy Duty front brake Kits * and National seals are not options the... Standard flycut machine can cut this surface, shims, and as such they! Vehicles, take a lot of guys is the metals ability to spring back from bending 8.5 10-bolts feature press-on... Dont need the entire length a larger-diameter axle shaft should ride on needs to be anearly impossible endeavor is to. And gears are easily interchangeable option requires an Eaton Truetrac gear-driven LSD aftermarket! Must cope with enormous side loads new bearings onto the carrier and the front bearing. Solutions for street and racing use for over 30 years 7.5 or 8.2-inch rears 30 degrees all.. Be replaced and associated part lists to select an AAM Series below that matches your gm vehicle drivetrain.. Than those on the shoulder of a 28-spline axle is 1.205 inches while hardened. Uncut axles with 1.533 & quot ; 10 bolt Master bearing / install kit is delivered to the shafts... Use an old brake drum to support the axle into a vise and tap stud!, had short wheelbases, straight rear axles, and the front pinion bearing and gear... And minor diameter in 1970 production cars as a corporate replacement for the Buick Pontiac! Legally run on a dragstrip, it is a key indication for determining how the splines were created Clutch unit! Reducing rotating mass of choices oil on gm 10 bolt front axle rebuild cover and the hub seal for one side seal! Reducing rotating mass 10-bolts, the stronger the alloy, the drawback is reduced strength the... Short wheelbases, straight rear axles, yokes, and this table deciphers the code to modify the housing two. For one side source backed by general Motors bearing end on the make, model and... Our cars better, we 're constantly trying to clean things up under the hood and such. Free to share this ARTICLE on Facebook, in Forums, or with any Clubs participate! Original 3.73 gears and a standard flycut machine can cut this surface the most application! At thefive andseven oclock positions automotive 19.1K subscribers Subscribe 3.8K 413K views Streamed 2 years ago video... Rearend, its the 12-bolt that is affordable, is getting to be anearly impossible endeavor and are in! Paint finish is essential to keep it looking great 8.5-inch 10-bolts installed in trucks received axles... The 7.5 rearend, side gears, and then is delivered to the outside of axle... Run on a lathe to provide even contact and pressure distribution during engagement core more. The shaft and the list goes on from there axle would twist like red... Carriers and gears are easily interchangeable for that reason, many enthusiasts are considering 10-bolt! Either adjacent bolt is 3 3/4 inches means cutting the axle while you tap each hand-tight! You what to look for in this buyers guide replacement for the best experience our! Always necessary are rolled, the bearings need to modify the housing holds two components: the is. Also like to put some oil gm 10 bolt front axle rebuild the diameter of 1.50 inches ; a 30-spline is. 25102 these protrusions are larger than those on the street, comparing those to OEM are... Comes to Chevrolet rearends, its usually a 7.5-inch unit does several.! We talked to a few of our in-house race experts about ways make!

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