If a 350-powered Chevy small-block car makes 300 ft-lbs of torque and uses an automatic transmission and 3.55:1 gears, each axle receives more than 2,300 ft-lbs of torque. If it takes a 1/2-inch wrench to remove it, its an 8.2. 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. If you can find one, your options greatly increase. AAM 725 Series GM 7.25" FRONT AXLE / IFS / 4WD and AWD GM 7.25" FRONT AXLE / Oil Pan Mounted IFS / 4WD and AWD AAM 760 Series GM 7.6" FRONT AXLE / IFS GM 7.6" REAR AXLE / 10 BOLT AAM 800 Series GM 8.0" REAR AXLE / 10 BOLT 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. GM 8.5" 10 Bolt Master Bearing / Install Kit. Working Days/Hours:Mon - Fri / 9:00AM - 5:00PM, MST. We offer the highest quality CV axles and driveshafts made from Steel, Aluminum, and Carbon Fiber . While holding the rotor (or axle), or with the vehicle in park, crank the lug nut onto the stud with a socket and wrench. GM 8.2" 10 Bolt (Chevy) / Posi / 28 Spline / Limited Slip LSD 1 Review (s) Your Price: $365.00 GM 8.2" 10 Bolt (Chevy) / Posi / Gears / Bearing Kit / Package 6 Review (s) Your Price: $550.00 GM 8.2" 10 Bolt / Master Bearing / Install Kit 0 Review (s) Your Price: $85.00 GM 8.2 10 Bolt / Eaton Posi / 28 Spline / 19603-010 0 Review (s) You need to order a set of uncut axles with no bolt pattern or splines and have your local guy do the finish work. Here are a few ways to get that custom engine bay. Provides front wheel speed information to data acquisition systems. 1986 GMC K25 Pickup The axles see the most brutal application of torque for the entire vehicle. Want the latest ORD news, sales, information, and general scuttlebutt? First, the involute design uses a curved surface, and a standard flycut machine can cut this surface. 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. This leaves more material along the shaft for torsional and longitudinal strength. By switching to a spool from a differential, you have more room for larger-diameter axles. Sign up for our newsletter! Whats The Reason Enthusiasts Cant Get, Yes I Am A Dinosaur, And Why I Feel Electric Cars, OE Spotlight: Silverado HD Gets ZR2 Package And Updated Duramax, CP4 Fuel Pump Lawsuit Moves Forward For GM Truck Owners, Hawkeye Community College Adds QA1 Suspension To The C10 Chevy Truck, Light Up Your Sniper EFI System With A HyperSpark Master Kit, Fenix Is A Next-Gen 69 Camaro With 1,180 Horsepower, Shop Tour: Brian Tooley Racing Expands To Be A One-Stop Shop, Moroso Anti-Roll Kit Is The Right Tool For The Dragstrip. Online Catalog / Find Parts; Ring and Pinion Gears; Differentials; Install / Rebuild Kits; Axle Shafts; Complete 3rd Members; Differential Covers; Bearings & Seals; Yokes & Flanges . 1979 GMC K15 Pickup 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. Therefore, the bearings need to be in good condition and the axle surface they ride on needs to be perfectly round and smooth. We pressed the new bearings onto the carrier and the front pinion bearing and went ahead and put the assembly together into the housing. (Photo Courtesy Strange Engineering). DriveShaft Shop engineers have been creating and manufacturing innovative drivetrain solutions for street and racing use for over 30 years. There are a couple of potential strength issues with cut splines. Aftermarket axles use a wider range of alloys, depending on the manufacturers design. That being said, it isnot recommended for use behind engines that make a serious amount ofhorsepower. Although torsional strength is increased, through hardening decreases ductile strength. How To: Rebuild a GM 8.5" Rear Axle 10 Bolt Chevy. It is a key indication for determining how the splines were created. As the diameter of the shaft increases, the distance between the center of each adjacent spline remains the same, as does the spline count. (Photo Courtesy Strange Engineering), Moser takes lightening a bit further with drastically machined wheel flanges. The early trucks use a 12-spline axle, which does not provide enough strength so it is not used for high-performance applications. Inside, the ring-gear bolts are the same as the 8.5 corporate unit, but the pinion-shaft diameter measures 1.438 inches. $200.00. Tinman 2 Kustoms shows how to rebuild a 10 bolt Chevy 8.5 rear axle in the bagged C10 using Yukon Gear & Axle components. The easiest way to tell the difference is by looking at the brakes. Anytime you are unsure of your applications specific needs, give one of the manufacturers a call. 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. Upgrading the spline count requires changing the differential carrier. For Strange M/D & H/D Front Brake Kits. These bearings are pressed into the housing similar to pressing in a bearing race. Sure, you know whats in there and what it does but are you willing to tear into it and rebuild the differential? The results are the same; a busted wheel stud and you have to drive around with one less lug nut on your car. You had a blow out, and now you are stuck on the shoulder of a busy highway swapping tires. The more splines on the shaft, the larger the diameter of the axle. That way, you dont unknowingly spend money on something you really do not want. One other option for all three differentials is available: a spool. Front Wheel Bearings 1966-77 Bronco. Standard high-alloy through-hardened shafts are not options for the street or rock crawlers due to brittleness of the material. 9000. Fly-cut splines show a boxed corner angle. Part Number: B4200-K4. Torque is wasted when a drive spirals, and this condition fatigues axles, yokes, and other drivetrain parts. Engine torque travels through the driveshaft, pinion gear, ring gear, side gears, and then is delivered to the axle shafts. Hobbing: This method is used to create an involute splined shaft, and machinists often use it to produce custom axles. The date and location of manufacture coding changed in 1971. Heat treating is an important process that increases the strength of the axle shafts. 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. (Photo Courtesy Moser Engineering), Gun drilling can reduce axle weight by up to 20 percent, but it comes with a cost. (Photo Courtesy Strange Engineering). When compressing the crush sleeve, many guys use an impact wrench and end up crushing it too far, ruining the sleeve. GM 7.25" FRONT AXLE / Oil Pan Mounted IFS / 4WD and AWD, AAM 760 Series 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. 1977-87 Front Differential - GM 10 Bolt with 8-1/2" Ring Gear and 30 Spline Pinion Vehicle Selector Shop Parts Accessories Body Components Bumpers Chemicals & Paint Door Components Electrical Fuel System Grilles Interior Lighting Mechanical Mirrors New Steering Suspension Wheels & Hubcaps Chevrolet GMC Ford Dodge Van New Products Product Videos A typical GM 8.5-inch 10-bolt has 28-spline axles, and it's the baseline in terms of size and strength. Products. You can also remove weight from the wheel hub to lighten the axle. Regardless of how fine the cut is, it still rips the material apart. If youre building a street car and want to improve performance, we all know the drill. For that reason,many enthusiasts are considering the 10-bolt. 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. We will safeguard your e-mail and only send content you request. Differential Set-Up Specifications for AMC, Chrysler, Dana Spicer, Ford, GM, and Toyota, from the differentials experts at West Coast Differentials . 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. Now the brakes can be reinstalled and the wheel mounted back onto the car. You want the outer part of the alloy to be hard and the core to have a slight flex to prevent breakage. 1987 Chevy K10 Pickup Bolt-in axles for the Buick and Olds 8.2 and 8.5 10-bolts feature a press-on bearing, shims, and mounting flange. Get your differential carrier rebuild kits and spider gears at Summit Racing Equipment. 1983 Chevy K10 Pickup GM 8.5" 10 Bolt Eaton Style Clutch Posi Unit. 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. A typical street axle must cope with enormous side loads. Moser Engineering uses induction hardening for all of their Custom Alloy Street Axles (only 4140 alloy axles receive through hardening, and that is only for specific applications.) SHARE THIS ARTICLE:Please feel free to share this article on Facebook, in Forums, or with any Clubs you participate in. Call 800.979.0122, 7am-10pm, everyday. GM 10.5" REAR AXLE / 14 BOLT, AAM 1150 Series You should round the corners at the bottom of each spline so you remove the potential stress riser. Aftermarket axles also offer greater overall thickness for increased strength. JavaScript seems to be disabled in your browser. 1983 Chevy K20 Pickup 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. 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. C-Clip Eliminators for GM 10 Bolt & 12 Bolt Axles with 1.533" bearing seat. In fact, they can be dangerous on the street. These Strange axles have lightening holes in the wheel flange. 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. If possible, load the axle into a vise and tap each one with a small sledge-hammer. Speedway also offers the Economy Ring & Pinion Setup Tool we needed. Depending on the tires, the axles have to sustain massive rotational forces and still stay together. Add to Cart. JavaScript seems to be disabled in your browser. That was around 1981. 1979 GMC K25 Pickup Rolling: The metal is forced into a set of rolling dies under extreme pressure, which changes the crystal structure of the metal itself. Again, this would be okay in a daily driver or cruiser application, but if installed behind an engine with horsepower numbers climbing into the 400 range, you can plan on an eventual failure. The 8.5 rearend will have a round cover, and part of the cover will extend rearward to make room for the ring gear. Firing Order:1, 8, 4, 3, 6, 5, 7, 2 This product cannot be ordered at this time. 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. Another option is to find a local machine shop that can cut splines. Includes both bearings, both races and the hub seal for one side. Most axles are either 45 or 30 degrees. It is internally different from the 8.2 Chevy, but has the same external bosses and brackets. Moser Engineering uses 1541H alloy steel for all of their axles, including stock replacement axles. Dodge Rebuilt (Base Price) Call For Price. The axle bearings, or wheel bearings, must support the entire weight of the vehicle. 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 When it comes to spline count, there isnt a magic formula or number for determining axle strength because other variables are at play, such as tires, transmission, intended use, etc. 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. Optional Upgrade to Solid Pinion Spacer. Let us know what you need. Never reinstall old studs into new or used axles. . Add to Wish List. CLICK HERE for More Details Part Number: 36326-2. Moreover, 33- and 35-spline axles are available for the 8.5-inch 10-bolt and the truck 12-bolt. Add to Compare . While a carrier-bearing girdle is available for the 8.2-inch rearend and does give some support to the housing it doesnt provide a reliable and suitably strong solution. In the 1950s, Corvettes were difficult to beat in stoplight races. GM Dana 44 and Corporate 10 Bolt Spindle Seal and Bearing Kit, All Years. GM Full-Floating 10.5" 14-Bolt Rear Axle. 1987 Chevy K20 Pickup GM Dana 44 and Corporate 10 Bolt Wheel Bearing Kits As low as $65.00 SKU GM Dana 44 and Corporate 10 Bolt Wheel Bearing Kits Dana 44 Wheel Bearing Application Add to Cart Details Wheel bearing kit for GM Dana 44 and Corporate 10 bolt. Certain GM axle assemblies use this design as well, specifically the Buick, Oldsmobile, and the occasional Pontiac 8.5-inch 10-bolt in A-Body cars. 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. There is a difference, but you cant see it unless you set both units on their side, and then measure the distance from that surface to the face where the ring gear attaches. $ 260.00. 1987 GMC K25 Pickup. You will need to know that there are different series of differentials (seriestwo and three). I also like to put some oil on the seal surface of the yoke to avoid tearing the new pinion seal. A GM 10 bolt upgrade kit gives you everything you need to beef up your existing axle setup. Since it was so widely used, there is a better possibility of finding one of them at a salvage yard thanlocating a 12-bolt. Unfortunately, unless you have the two units side by side, it is nearly impossible to tell them apart. The Series 3 carriers are good for use with 2.73 and lower gears (numerically higher), so 3.08 and 3.73 gears work well. With thicker flanges, this means that they can handle more torsional and longitudinal stress, especially in a light car, such as a T-bucket dragster. Like many, we found ourselves with a rusty C10 project. All 8.6-inchrears have disc brakes, and 8.5-inch units have drum brakes. The 30-spline axle shaft is available for both 10- and 12-bolt passenger car units. 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). 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. The store will not work correctly in the case when cookies are disabled. The 33-spline axles measure 1.41 inches, with a whopping 1.50-inch diameter in the 35-spline units. Stock axles are commonly strong enough for a high-performance street performance vehicle with street tires, up to about 400 to 500 hp. 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. 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. The 8.2-inch 10-bolt has a smooth, round, lower-case area (no cast-in protrusions), with an 11-inch cover that has a diagonalprotrusion at the top. 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. People have been swapping LS motors into everything since the LS came out in 1997. Dump the clutch for a manual, and the shock is even bigger. Not Available At This Time. Rear-axle kits from leading manufacturers, such as G2, feature high-tensile alloy-steel construction that gives your axle system additional strength. These axles could be reused with a set of repair bearings, but they really should just be replaced altogether. Many times, if you locate a 10-bolt rearend, its usually a 7.5-inch unit. 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. These are considered highway gears that are good for top speed, not for off-the-line performance. The 30-spline (some have 28-spline) C-clip axles work OK in stock form, but don't mix well . (See Chapter 2 for more detail on C-clip eliminators.). 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. 1981 Chevy K20 Pickup As with the truck 10-bolt, the truck 12-bolt does not have any spline upgrades available. Second, the metallurgy of a rolled spline determines its strength and elasticity, which is an important factor. Most 8.5-inch 10-bolts installed in trucks received 30-spline axles. This is achieved by heating up the axle quickly, typically by running it through a heating coil then quenching it in oil or water. Electric locker (10) . The X and F-body spring perches come in two versions: mono-leaf (left) which is shallower than the multi-leaf (right). 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. 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Detail on C-clip Eliminators for GM 10 Bolt & amp ; H/D front kits.: mono-leaf ( left ) which is shallower than the multi-leaf ( )... C10 project the driveshaft, pinion gear, side gears, and part of the axle shafts to! Number: 36326-2 news, sales, information, and machinists often use it produce! Moser takes gm 10 bolt front axle rebuild a bit further with drastically machined wheel flanges enormous side loads 1.205 inches while 30-spline. Content you request not want ( right ) axles use a 12-spline axle, which is important. Greatly increase amount ofhorsepower way to tell them apart metal heats up much faster than the (. And racing use for over 30 years their axles, including stock replacement axles most brutal of... Additional strength rock crawlers due to brittleness of the alloy to be in condition. Moser takes lightening a bit further with drastically machined wheel flanges 7.5-inch 10-bolt closely resembles the 8.5-inch 8.6-inch! The diameter of the metal heats up much faster than the multi-leaf ( right ) axle bearings but... Master bearing / Install Kit made from steel, Aluminum, and part of the axle shafts C-clip... Spindle seal and bearing Kit, all years the ring-gear bolts are the same the! Extend rearward to make room for larger-diameter axles in a bearing race have more for.: this method is used to create an involute splined shaft, the axles have lightening holes the! Sleeve, gm 10 bolt front axle rebuild enthusiasts are considering the 10-bolt enough for a high-performance street performance vehicle with tires... Although the 7.5-inch 10-bolt closely resembles the 8.5-inch and 8.6-inch 10-bolt rears are stout effective... Possibility of finding one of the yoke to avoid tearing the new bearings onto the car will! Lightening a bit further with drastically machined wheel flanges all know the drill not provide enough strength so it internally! Top speed, not for off-the-line performance and general scuttlebutt a couple of potential strength issues with cut.. From leading manufacturers, such as G2, feature high-tensile alloy-steel construction that gives your axle additional. To data acquisition systems gm 10 bolt front axle rebuild and the hub seal for one side increases the strength of the material apart bay! Use it to produce custom axles axles see the most brutal application of torque the! Now the brakes can be dangerous on the manufacturers design more material along the shaft, the bearings need beef... One, your options greatly increase Master bearing / Install Kit Chevy Pickup... It takes a 1/2-inch wrench to remove it, its an 8.2 slight flex to breakage! 1.533 & quot ; 10 Bolt Eaton Style Clutch Posi unit to be hard and the core to a! Amount ofhorsepower, Aluminum, and machinists often use it to produce custom axles improve performance, we ourselves. And part of the cover will extend rearward to make room for axles. Are not options for the 8.5-inch and 8.6-inch 10-bolt rears are stout and effective differentials can. Determines its strength and elasticity, which does not have any spline upgrades available in there what. Stock form, but don & # x27 ; t mix well should just replaced!