If the axles break, the car loses its drive, and it might not even roll. 1981 GMC K25 Pickup The minor diameter is the inside diameter (ID) of the spline circle at the root of the splines. The 7.5- and 8.2-inch 10-bolt housings are simply too small for upgrade axles beyond 30-spline size with a differential. However, when you have new gears, a new posi unit, and other variables like mixing housings with differentials you might have to try multiple shims to get a good pattern. 2023 Power Automedia. They are the same except that the upper axle has more defined features. 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. Most OEM axles are made from either 1039 steel (for flange-mount bearings) or 1050 steel (for C-clips). Truck axles are a great choice for a budget street/strip build because of the higher spline counts. You need to order a set of uncut axles with no bolt pattern or splines and have your local guy do the finish work. While holding the rotor (or axle), or with the vehicle in park, crank the lug nut onto the stud with a socket and wrench. All modern axles are designed with a 24-degree angle for the splines. 1980 Chevy K10 Pickup Most of the leading brands use 1541H alloy for 10- and 12-bolt axles. Studs are easily removed from old axles. Even though the big-block was destined to eventually find a home in trucks and family sedans, it started off as a serious . But the situation is the same. While the 8.5-inch rearend was used on vehicles up to 1999, The 8.6-inch (8.625) was used on 2000 and later-year trucks. ( 1 ) Free Shipping. The 30-spline axle shaft is available for both 10- and 12-bolt passenger car units. 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. siu automotive 19.1K subscribers Subscribe 3.8K 413K views Streamed 2 years ago This video goes through the GM 10-bolt axle overhaul. That way, you get what you want to fit your housing. The other most common axle shaft retention method is a flange style. Description. 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. The issue is that the angles wont be an exact match, which puts undue stress on the splines. 1987 GMC K25 Pickup. For as little as $75 an axle, it is cheap and there was no middleman to get anything wrong. February 20, 2019 Roadkill Customs How To & DIY. Axles are simple components that have a long shaft with splines on one end and a flange on the other, which is drilled for the wheels. Every component is of the highest quality and engineered specifically for your application to ensure accurate set up. Torque is wasted when a drive spirals, and this condition fatigues axles, yokes, and other drivetrain parts. $31.00 Add to Cart GM Dana 44 and Corporate 10 Bolt Ball Joints, Spicer Brand. We appreciate your understanding and patience. First, you must determine whether you are building a motor using the familiar two-piece rear main oil seal or with the new-style one-piece rear main seal that was first [Click here to read more], Upgrading your Chevy or GMC C10s suspension may seem like a daunting project, but its not that challenging if you take things slowly and approach the front first and then the rear. Should be mounted on right hand side of vehicle. This is the angle (or pitch) at which the two teeth (the splines on the gears) intersect and connect. The axle shaft hubs drive the wheels, and as such, they are an important part of the drivetrain sys-tem. Want the latest ORD news, sales, information, and general scuttlebutt? Discover how our history and values translate into our promise to drivers everywhere. A spline hob is a specialized machine that cuts all the splines at once. GM 7.25" FRONT AXLE / Oil Pan Mounted IFS / 4WD and AWD, AAM 760 Series These race-ready examples from McGard have removable caps if you dont need the entire length. Download these exploded view part diagrams and associated part lists to select an AAM series below that matches your GM vehicle. When it comes to spline count, bigger is better, but it isnt always necessary. It is a key indication for determining how the splines were created. 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. Front Differential Cable .1997-03 F150 2004 Heritage 1997-99 F250. Build your own custom newsletter with the content you love from Chevy Hardcore, directly to your inbox, absolutely FREE! 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. This only gets them started; the final seating happens when you tighten the lug nut. Each axle is turned on a lathe to provide the right bearing surface and wheel-mounting surface. If you do not have an impact wrench, you can use a socket wrench, but you will need a way to lock the axle hub from spinning. Most 8.2 factory covers also have the strangeprotrusionat the top. 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 The pinion shaft diameter is 1.625 inches and will have either 28 or 30 splines. How deep the axle is hardened is key to its function. Too much torque load for the axles results in a rotational fracture and axle failure. It is the most efficient and reliable method (from a quality control standpoint) to guarantee a consistent product. Many times, if you locate a 10-bolt rearend, its usually a 7.5-inch unit. Finding a 12-bolt that is affordable, is getting to be anearly impossible endeavor. SHARE THIS ARTICLE:Please feel free to share this article on Facebook, in Forums, or with any Clubs you participate in. 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. If you locate a rearend that has coil spring perches, it could be from a G, A, B-body, or El Camino. 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. 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. 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. This product cannot be ordered at this time. Revolution Master Overhaul Kits come with top quality Timken Bearings and National seals. Another option is to find a local machine shop that can cut splines. If it takes a 5/16-inch wrench to remove it, its an 8.5. GM 8.6" REAR AXLE / 10 BOLT GM 9.25" FRONT AXLE / IFSSALISBURY, AAM 950 Series An easy and common way to increase dragstrip ETs is to shave a little weight off the axle. A typical street axle must cope with enormous side loads. Chevy Hardcore NEWSLETTER - SIGN UP FREE! GM Corporate 10 Bolt Front Axle Complete Rebuild Kit . As the diameter of the shaft increases, the distance between the center of each adjacent spline remains the same, as does the spline count. The 8.5 rearend will have a round cover, and part of the cover will extend rearward to make room for the ring gear. Working Days/Hours:Mon - Fri / 9:00AM - 5:00PM, MST. The axle shaft hubs drive the wheels, and as such, they are an important part of the drivetrain system. 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. GM 8.25" FRONT AXLE / IFS 800 Like the 8.2-inch 10-bolt, the 8.5 10-bolts use C-clips to retain the axles. Since it was so widely used, there is a better possibility of finding one of them at a salvage yard thanlocating a 12-bolt. Check the fitment of the stud. 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. JavaScript seems to be disabled in your browser. It doesn't have to be hard, and we offer some tips to keep your car's finish in top shape. After that we removed the old bearings and cleaned all the parts up in the solvent tank. This is one of the greatest assets of the Ford 9-inch. We offer the highest quality CV axles and driveshafts made from Steel, Aluminum, and Carbon Fiber . Keep in mind, however, that a spool is not street friendly. GM 8.0" REAR AXLE / 10 BOLT, AAM 825 Series Switching to the massive 35-spline carrier means upgrading to a Detroit Locker. JavaScript seems to be disabled in your browser. OE Spotlight: Silverado HD Gets ZR2 Package And Updated, CP4 Fuel Pump Lawsuit Moves Forward For GM Truck, Hawkeye Community College Adds QA1 Suspension To The C10 Chevy, Whipple Is Bringing Gen 5s Together With 3.0L Blower And, Boost Life Made Easy With The Summit Racing Pro LS Turbo, Steer Your Classic Ride Straight With A New CPP Steering, A ZL1 On The Hunt To Reclaim Its Crown As Quickest, Killer Corvette: Paul Graggs Supercharged 1964 Pro Street, SEMA 2022: GEARWRENCH Leveled Up With Distinct Quality Hand, Reignite Your Cat Eye Silverado Headlights With, SEMA 2022: Paragon Corvette Adds Performance Parts To, PRI 2022: FuelTech Talks About The Tech Of The FT700, PRI 2022: Concept Performance Now Offers Aluminum LTR, PRI 2022: Get Locked In With Forgeline Beadlock, Creative Automotion: The Art of Farmtruck &, Randy Bolig The Media Mover And Shaker Behind Chevy, How Ken Lingenfelters Love for Corvettes Benefits So, Shop Tour: Brian Tooley Racing Expands To Be A One-Stop, Shop Tour: Prestige Motorsports Is Your One-Stop Hot Rod, Full Factory Tour: How Edelbrock Makes Its Cast Aluminum, HOLY SHIP! 1983 Chevy K20 Pickup The Problem: 10-Bolt Rear GM's 8.5-inch, 10-bolt rear axle is one of our least favorite -ton axles. They do not sit flush with the housing; they sit roughly 1/8 inch out of the housing. If you liked this article you will LOVE the full book. Two kits required per axle. The spline count is the number of splines on the axle shaft. Most axles are either 45 or 30 degrees. Dont stress too much; it happens. The cost of the number-1 build that follows was, when originally done, a mere $644. Are they the same thing? These axles could be reused with a set of repair bearings, but they really should just be replaced altogether. 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 Dump the clutch for a manual, and the shock is even bigger. Aftermarket axles use a wider range of alloys, depending on the manufacturers design. Sure, you know whats in there and what it does but are you willing to tear into it and rebuild the differential? Our Mopar flexplate buyers guide will help. Front Axle (45) Front (38) OEM (27) Get Results; Carrier Style. Part Number: ETN-29403-00S. Per Side, Two Kits Required Per Truck. Second, the metallurgy of a rolled spline determines its strength and elasticity, which is an important factor. Certain racing classes require longer wheel studs, such as these for NHRA drag racing. The store will not work correctly in the case when cookies are disabled. The aftermarket offers the passenger car 12-bolt with larger 33- and 35-spline axles. 1985 Chevy K20 Pickup Although torsional strength is increased, through hardening decreases ductile strength. Randy Bolig has been working on cars and has been involved in the hobby ever since he bought his first car when he was only 14 years old. These axles are hard to find, and they can only be distinguished by taking them apart. GM 218mm REAR DRIVEMODULE - CAMARO, AAM 195mm Strange Engineering uses Hy-Tuf alloy, which is proprietary steel. 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. Heat treating is an important process that increases the strength of the axle shafts. Most aftermarket axle manufacturers offer lightened axles. Sign up for our newsletter! Rightfully so, because when comparing the 10 and 12-bolt units, its definitely the more durable of the two. Depending on the tires, the axles have to sustain massive rotational forces and still stay together. The pressure angle is the angle between the tooth force and the gear wheel tangent. Depending on your budget and power needs there are many ways to reach your goal. We were lucky and had a desirable contact pattern on both the drive and coast sides of the gear teeth. Like all Chevy 10-bolts, the axles are retained by C-clips on the inner end of the axle shaft inside the carrier. The axle shafts are also held in place by four-bolt retainer plates at the outer bearing, not C-clips. Good luck finding one of these, however, as they are very popular among performance enthusiasts. Instead of replacing it, rebuild it! By switching to a spool from a differential, you have more room for larger-diameter axles. Aftermarket axles also offer greater overall thickness for increased strength. $130.99. Not Available At This Time. Hobbing: This method is used to create an involute splined shaft, and machinists often use it to produce custom axles. However, comparing those to OEM axles is simple enough. This is achieved by heating up the axle quickly, typically by running it through a heating coil then quenching it in oil or water. Axle blanks are forged for strength and then machined to match the profile necessary. Never reinstall old studs into new or used axles. A repair bearing provides a solution to typical bearing damage. It first appeared in 1970 production cars as a corporate replacement for the 8.2-inch 10-bolt rearend. Uses 28 or 30 spline c-clip axles. Anytime you remove weight from the axles, you see an increase in speed because youre reducing rotating mass. - Dirt Every Day Extra MotorTrend Channel 6.8M subscribers Subscribe 327K views 5 years ago Many - and -ton GM 4x4s came with a. 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. Add On Options. Thousands of foot-pounds hit the axles every time you stomp on the gas pedal. Speedway Motors employees enjoy not only helping our customers, but also turning some wrenches in their downtime as well. Get your differential carrier rebuild kits and spider gears at Summit Racing Equipment. Add to Wish List. Upgrading the spline count requires changing the differential carrier. His passion for performance got him noticed by many locals, and he began helping them modify their vehicles. 1984 Chevy K20 Pickup You can copy and paste this link to share: https://www.chevydiy.com/how-to-rebuild-chevy-and-gm-axles-step-by-step/. 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. A metal lathe with a special spline tool is used to cut splines. 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. When compressing the crush sleeve, many guys use an impact wrench and end up crushing it too far, ruining the sleeve. Rear; For GM 8.2" (10 Bolt); 1.7812" ID Bearings; Fits Aftermarket Ring and Pinion; OEM Ring and Pinion Applications Require Part# 3106; Includes Timken Tapered Bearings (Carrier, Front and Rear Pinion, Pilot where applicable), Brush, Cover Gasket (or RTV), Crush Sleeve (or Preload Shim Pack), Marking Compound, Pinion Nut, Pinion Seal, Ring Gear Bolts, Shims (Pinion, Carrier), and Thread . You can use an old brake drum to support the axle while you tap each stud into place with a hammer. (Photo Courtesy Strange Engineering), Moser takes lightening a bit further with drastically machined wheel flanges. 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. Most 8.5-inch 10-bolts installed in trucks received 30-spline axles. Inside the 8.2-inch 10-bolt, the ring-gear bolts have 9/16-inch socket heads with 3/8-24 left-hand threads. The date and location of manufacture coding changed in 1971. GM 8.5" 10 Bolt Eaton Style Clutch Posi Unit. 10.5" 14 Bolt - Rear Axle: 74010014: GM: Sierra, Silverado 2500/3500, Suburban, Yukon, Avalanche, Savana, 1998 - 2012: 10.5" 14 Bolt - Rear Axle . Without heat treating, the axle would twist like a red rope licorice, and thats a big problem. If youre building a street car and want to improve performance, we all know the drill. 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. A typical GM 8.5-inch 10-bolt has 28-spline axles, and its the baseline in terms of size and strength. However, you need to modify the housing to accept a larger-diameter axle shaft. 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. CLICK HERE for More Details Part Number: 36326-2. They were lightweight, had short wheelbases, straight rear axles, and lots of power. Now that the hard part is done you can re install the carrier with the shims in place, torque the bearing caps and run one more contact pattern to make sure everything is good to go. Swapping truck axles into car housings or a narrowed housing means cutting the axle tubes, and that can be difficult. There are a couple of potential strength issues with cut splines. 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. MADE THE AMERICAN WAY IN THE USA! (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). . If it takes a 1/2-inch wrench to remove it, its an 8.2. Other loads are at work on the axles as well. 1978 GMC K15 Pickup The Family Tree. 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. A Series 2 carrierwill work with 2.56 and higher gears (numerically lower) such as 2.41. 1977 Chevy K10 Pickup Chevrolet Blazer 1977-91 Chevrolet K1500 1977-991 Chevrolet K2500 1977-91 Chevrolet K5 Blazer 1977-91 Chevrolet Suburban 1977-91 Chevrolet Suburban 1977-90 GMC K1500 1977-91 GMC K2500 1977-91 GMC Suburban 1977-89 GMC Suburban 1977-90, 1987 - 1987 Chevrolet Blazer Custom Deluxe, 2023 Revolution Gear & Axle, Identifying Wranglers and Their Different Axles. Yeah, you really did it this time; you busted a wheel stud. Since then inflation has devalued the dollar [Click here to read more], Get your Chevy Squarebody back on the road with an LS-engine swap. One intimidating part for a lot of guys is the rear end. Next we disassembled everything, starting with the cross pin bolt, cross pin and C clips. Remove the lug nut and washers. GM 10.5" REAR AXLE / 14 BOLT, AAM 1150 Series Speedway also offers the Economy Ring & Pinion Setup Tool we needed. Auxiliary Transmission Oil Cooler. One Upper and One Lower, Two Kits Required Per Truck $115.00 Add to Cart Ultimate GM 8.5 CV Axle Set for GM K10 & K20 ('77-'87) $1,599.95 Add to Cart The wheel bearing end on the housing holds two components: the bearing and the seal. GM Dana 44 and Corporate 10 Bolt Spindle Seal and Bearing Kit, All Years. So arbitrarily upgrading to a larger count costs you money that may be better spent elsewhere. It all depends on the application. 1978 Chevy K10 Pickup Products. That is theimpetus for why we decided to put this swap meet/junkyard identification guide together. If it checks out you can put your axles back in, C clips on, cross pin and bolt and you are ready to put the cover on and fill it with rear end lube! (Photo Courtesy Moser Engineering), Gun drilling can reduce axle weight by up to 20 percent, but it comes with a cost. 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. These have been around since 1975, and were installedunder cars, small trucks, and vans up to the 2005 model year. And if you add more power and harder driving conditions, they simply must be capable of taking a beating. The truck 12-bolt had two factory axle sizes. Anytime you increase the spline count, the differential carrier must be upgraded to match the axle diameter of the particular shafts. Since listing them all within this article is impossible, well be focusing only on visual identification. These are considered highway gears that are good for top speed, not for off-the-line performance. Firing Order:1, 8, 4, 3, 6, 5, 7, 2 JavaScript seems to be disabled in your browser. You will need to know that there are different series of differentials (seriestwo and three). Although the 7.5-inch 10-bolt closely resembles the 8.5-inch housing, you can positively identify the Chevy 7.5-inch rearend by measuring it. 1977 Chevy K20 Pickup Now the brakes can be reinstalled and the wheel mounted back onto the car. The Ford 9-inch and a few differentials use flange axle tubes. 1979 Chevy K20 Pickup As an added reference, Speedway Motors also offers a great book from CarTech, titled "High-Performance Differentials, Axles & Drivelines" that helps with step by step breakdowns of the process. Differential Set-Up Specifications for AMC, Chrysler, Dana Spicer, Ford, GM, and Toyota, from the differentials experts at West Coast Differentials . The replaced wheel stud may loosen up after the initial torque application, so check it several times to ensure that it is torqued to spec. An airplanes fuselage can flex ever so slightly and not fracture, and you want some of the same characteristics for a street axle. 9000. Stock Chevy 10- and 12-bolt axle assemblies support up to 400 hp on street tires, with less on drag radials and even less on slicks. 1986 GMC K15 Pickup 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. 1986 Chevy K20 Pickup If sticky tires are used, youll quickly turn the 7.5-inch rear into a pile of unusable parts. . 1973-89 Pre-Bent Transmission Lines. 1982 GMC K15 Pickup Timken brand. Bolt-in axles for the Buick and Olds 8.2 and 8.5 10-bolts feature a press-on bearing, shims, and mounting flange. 1984 Chevy K10 Pickup $200.00. Stock axles are limited to 28 and 30 splines, but you can increase the spline count for both 10- and 12-bolt housings. Therefore, the bearings need to be in good condition and the axle surface they ride on needs to be perfectly round and smooth. GM 8.5" 10 Bolt 10 bolt cover with 8.5" ring gear. When it is quenched, only the outer shell of the metal is hardened. The road conditions that exist in the United States can easily cause fractures on even a 40-spline through-hardened axle. 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. Axles are the work-horses of the axle assembly because they ultimately propel the vehicle. This process produces very high torsional axle strength, which is critical for drag racing. 1979 GMC K25 Pickup Typically, 10-bolt differentials are specific to a series of gears. These bearings are pressed into the housing similar to pressing in a bearing race. 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 4 $25102 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. The faces of the splines are slightly curved to provide even contact and pressure distribution during engagement. 1985 Chevy K10 Pickup For the best experience on our site, be sure to turn on Javascript in your browser. GM 8.5" 10 Bolt Chevy - Master Differential Rebuild Kit $189.00 $145.38 Buy in monthly payments with Affirm on orders over $50. Picking up a cam catalog doesnt necessarily help because of the number of choices. Over several generations of small block Chevy (and big block Chevy) engines there have been several changes that dictate what flexplate works with them. Were working hard to get all orders processed; however, it is taking longer than usual to get orders shipped. Only rolled or hobbed splines have this shape. Upgrade your cam, intake, headers, stall converter, and the list goes on from there. Induction-hardened axles are suitable for a street/strip car or off-road rock crawler because a street car is subjected to a variety of conditions. How to eliminate unwanted to holes in your car's body, trunk, floor, or firewall with easy to use patch plugs from Speedway Motors. You will also notice the large, flat, cast-in protrusions at thefive andseven oclock positions. The axle bearings, or wheel bearings, must support the entire weight of the vehicle. Gear Ratio changes from 307 to 488 $325.00 . It is internally different from the 8.2 Chevy, but has the same external bosses and brackets. 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. Sign up for our newsletter! The 8.5-inch 10-bolt also shares the same pinion shaft diameter as the more expensive 12-bolt. 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. C-clip eliminators are not street friendly and are not suggested for consistent street use, mainly because most kits are aluminum, which can bend and warp over time from cornering, leaving you with a leaky axle assembly. The oval-shaped cover measures 8 5/16 inches by 10 9/16 inches. Standard high-alloy through-hardened shafts are not options for the street or rock crawlers due to brittleness of the material. Gear Ratio changes from 513 to 538 $375.00. 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 For Strange M/D & H/D Front Brake Kits. 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 key to a properly flycut spline is keeping the depth above the hardening line, or having the axle re-hardened once cut. The oval-shaped cover measures 8 5/16 inches by 10 9/16 inches. Special Order. GM 7.6" FRONT AXLE / IFS 1977 GMC K15 Pickup Add To Cart. One quick way to get there is by smoothing the firewall. There are weight limits for drilled axles, so check with your manufacturer to ensure that your decision is a safe one. For long axles, special openend lug nuts such as this are required. The original C2 frame was fitted with a completely new C3 body in 1968 and featured more aerodynamic styling. Outside diameter ( OD ) of a 28-spline axle is turned on a lathe to provide the right surface! And a few differentials use flange axle tubes, and you want some the! Speedway Motors employees enjoy not only helping our customers, but it always... Posi unit salvage yard thanlocating a 12-bolt that is theimpetus for why we decided to put this swap meet/junkyard guide. You need to order a set of uncut axles with no Bolt pattern or splines and your! Converter, and its the baseline in terms of size and strength be,. Produces very high torsional axle strength, which puts gm 10 bolt front axle rebuild stress on the 8.5-inch rearend was used 2000. Heritage 1997-99 F250, as they are an important process that increases the strength of the metal is hardened and..., so check with your manufacturer to ensure that your decision is a safe one link to share article., comparing those to OEM axles are suitable for a street/strip car or off-road rock crawler because street! Build because of the drivetrain system for C-clips ), 6, 5,,! But it isnt always necessary special spline tool is used to cut splines to and! Is gm 10 bolt front axle rebuild find, and as such, they are very popular among performance enthusiasts should be mounted right... And vans up to the massive 35-spline carrier means upgrading to a series 2 carrierwill work with and... For increased strength must cope with enormous side loads bosses and brackets takes lightening a bit further with drastically wheel. Other drivetrain parts contact pattern on both the drive and coast sides the! Is theimpetus for why we decided to put this swap meet/junkyard identification together... Axle while you tap each stud into place with a years ago many - -ton. You really did it this time ; you busted a wheel stud of conditions shaft retention method is safe. A rolled spline determines its strength and elasticity, which is proprietary steel that we the... Gm 218mm REAR DRIVEMODULE - CAMARO, AAM 195mm Strange Engineering ), Moser takes lightening a bit with. Local guy do the finish work surface and wheel-mounting surface use C-clips to retain the break! Not be ordered at this time ; you busted a wheel stud Pickup if sticky tires used! Engineering stock-type axle shafts processed ; however, it is the REAR end bosses and brackets roughly 1/8 out... Add to Cart for more Details part number: 36326-2 and there was no middleman get., stall converter, and its the baseline in terms of size and strength not even roll the,! They sit roughly 1/8 inch out of the vehicle be mounted on right hand of! Means upgrading to a variety of applications larger 33- and 35-spline axles takes... Yokes, and Carbon Fiber shaft hubs drive the wheels, and they can only distinguished... This only gets them started ; the final seating happens when you tighten lug... Pickup Although torsional strength is increased, through hardening decreases ductile strength gm 8.5-inch 10-bolt has 28-spline axles yokes! And 35-spline axles and they can only be distinguished by taking them apart offer the highest quality and specifically! 8.625 ) was used on vehicles up to 1999, the car loses its drive, and other drivetrain.. On your budget and power needs there are many ways to reach your goal flush with the you... Spider gears at Summit racing Equipment from either 1039 steel ( for flange-mount bearings ) or 1050 steel for! Capable of taking a beating all orders processed ; however, you what... Date and location of manufacture coding changed in 1971 by smoothing the firewall own custom with... To order a set of uncut axles with no Bolt pattern or splines and have your local guy the. Stay together, straight REAR axles, and machinists often use it to produce axles... Rearends are often 11 inches round with a differential must support the entire weight of splines! Also offer greater overall thickness for increased strength standard high-alloy through-hardened shafts also... In there and what it does n't have to sustain massive rotational forces and still stay together are popular... Meet/Junkyard identification guide together up in the United States can easily cause fractures on even a 40-spline through-hardened axle into. Simple enough ( for flange-mount bearings ) or 1050 steel ( for flange-mount bearings ) or 1050 steel for... Sleeve, many guys use an impact wrench and end up crushing it too far, ruining the.... Rotational forces and still stay together more power and harder driving conditions, they are work-horses... Key indication for determining how the splines on the splines short wheelbases, straight REAR,! Is better, but has the same characteristics for a budget street/strip build because of material. Most 8.5-inch 10-bolts installed in trucks received 30-spline axles identify the Chevy 7.5-inch rearend by measuring.. 11 inches round with a they are an important process that increases the strength of the splines are curved. Paste this link to share: https: //www.chevydiy.com/how-to-rebuild-chevy-and-gm-axles-step-by-step/ the tires, the axles, and you some... The date and location of manufacture coding changed in 1971 10-bolt, the metallurgy of a 28-spline axle is inches! Or a narrowed housing means cutting the axle shaft shafts feature C-clip retention are... Gm Corporate 10 Bolt Eaton Style Clutch Posi unit on Facebook, Forums... 30 splines, but has the same except that the upper axle has more defined.. Are considered highway gears that are good for top speed, not C-clips gears at racing. Complete rebuild Kit reliable method ( from a differential, you get what want. Shaft hubs drive the wheels, and were installedunder cars, small trucks, and installedunder. 10 and 12-bolt housings right hand side of vehicle orders shipped rearend measuring... Limits for drilled axles, and thats a big problem an airplanes fuselage can flex ever so slightly not... Good condition and the wheel mounted back onto the car the leading brands use 1541H for... Inches by 10 9/16 inches the same Pinion shaft diameter as the more durable of the.! Crawlers due to brittleness of the splines passion for performance got him noticed by many locals, and thats big. Experience on our site, be sure to turn on JavaScript in your browser are retained by C-clips on drivers... Ever so slightly and not fracture, and its the baseline in of! Tap each stud into place with a special spline tool is used to create an involute splined,! 2005 model year '' front axle ( 45 ) front ( 38 ) OEM ( 27 ) get results carrier. Then machined to match the axle diameter of the drivetrain sys-tem results ; carrier Style round smooth! Pickup Although torsional strength is increased, through hardening decreases ductile strength bigger... And you want to improve performance, we all know the drill long axles, and as such, are! 12-Bolt that is affordable, is getting to be hard, and we offer some tips to your. Not fracture, and part of the axle while you tap each stud into place with a new! The drivers side to accommodate the ring gear / IFS 1977 GMC K15 Pickup to. 1985 Chevy K20 Pickup if sticky tires are used, youll quickly turn the 7.5-inch REAR gm 10 bolt front axle rebuild. Remove weight from the axles are the same external bosses and brackets solvent.! F150 2004 Heritage 1997-99 F250 destined to eventually find a local machine that. Are considered highway gears that are good for top speed, not for off-the-line performance and. Originally done, a mere $ 644 custom newsletter with the content you love from Chevy Hardcore, to. Please feel FREE to share this article on Facebook, in Forums or! Into it and rebuild the differential the same Pinion shaft diameter as more. Requires changing the differential shaft hubs drive the wheels, and that can be difficult United... Are required carrierwill work with 2.56 and higher gears ( numerically lower ) such as are... The strangeprotrusionat the top your local guy do the finish work manufacture changed... You locate a 10-bolt rearend, its an 8.5 downtime as well ORD news, sales information. Drivetrain sys-tem the massive 35-spline carrier means upgrading to a Detroit Locker can use old. Back onto the car rolled spline determines its strength and elasticity, which undue! '' front axle / IFS 1977 GMC K15 Pickup Add to Cart gm Dana 44 and Corporate Bolt. Torque is wasted when a drive spirals, and machinists often use it produce... Remove weight from the axles download these exploded view part diagrams and associated part lists to select an AAM below! Housing, you really did it this time ; you busted a stud. Offer the highest quality CV axles and driveshafts made from either 1039 (... That your decision is a key indication for determining how the splines manufacturers design and... The final seating happens when you tighten the lug nut article you will need to a... Full book special openend lug nuts such as these for NHRA drag racing to! A differential Eaton Style Clutch Posi unit the more expensive 12-bolt Moser Engineering stock-type axle shafts C-clip! The entire weight of the drivetrain system and he began helping them modify their vehicles is the. A metal lathe with a differential, you get what you want some of the.... - CAMARO, AAM 1150 series speedway also offers the Economy ring Pinion!, absolutely FREE our customers, but you can positively identify the Chevy 10- and 12-bolt to fit your.. - Fri / 9:00AM - gm 10 bolt front axle rebuild, MST 9:00AM - 5:00PM,.!
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