pinion nut torque specs gm 10 bolt pinion nut torque specs gm 10 bolt

8 to 11 in-lbs. CRAWLPEDIA Off-Road Encyclopedia. If you're just starting out your adventure with single speed or fixed gear bikes then it's best to opt for ratios around 2.7-2.8 as they are easier on your legs and can help build up strength gradually as you continue cycling further and faster each time. With its strong construction and durable material, the PYN10 10-bolt 8.5" pinion nut makes for an excellent choice for those looking for reliable performance in even the most extreme environments. EDLANTA there is a "crush" spacer between the two pinion bearings that when tightened properly gives you the proper bearing preload. I like to slowly tighten the new pinion nut until I take up all of the front to back free play. 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. Axle Retainer Plate Nuts: 3/8" Grade 8 - 45 ft lbs. First I measured the old crush sleeve as a starting point. Pinion nut torque (shimmed preload style): 250 ft*lb. Like all Chevy 10-bolts, the axles are retained by C-clips on the inner end of the axle shaft inside the carrier. Products include ring and pinion sets, installation kits and axle shafts for GM, Ford, Chrysler, Jeep, and Toyota vehicles. You will need to know that there are different series of differentials (seriestwo and three). I have seen street 12 bolts that . Part Number. This technology is particularly advantageous in improving vehicle handling and traction under all types of driving conditions, from wet roadways to tight turns. I got the price for the seal, and it is near $9. This procedure is necessary in order to ensure that everything within the drivetrain is working correctly and efficiently. This process must be done carefully, gradually increasing the tightness of the nut in increments until it reaches the desired torque level required to rotate the pinion correctly. This process must be done carefully, gradually increasing the tightness of the nut in increments until it reaches the desired torque level required to rotate the pinion correctly. Date and location of manufacture are stamped in the axle tube, and this table deciphers the code. Not only is this a wise financial decision for both parties involved, but it also shows how much Chevrolet values customer satisfaction and safety. 2429 Mercantile Drive Suite A, Rancho Cordova, CA 95742, Copyright 2023 West Coast Differentials | Website Design by. Since it was so widely used, there is a better possibility of finding one of them at a salvage yard thanlocating a 12-bolt. GM 8.5" 10 bolt - Quick Performance Pinion nut has no torque spec. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. If you're looking to get the most out of your pickup truck, you may want to consider changing the gear ratios. Tighten bolt to 20 ft/lbs. One intimidating part for a lot of guys is the rear end. When installing a new 8.5-inch 10-bolt rear differential, it is important to use the right pinion nut for your application. These are incredibly robust pieces of machinery that can handle a surprising amount of power, as long as you use the right axle for your application. The 8.5-inch is often referred to as the "GM corporate 10-bolt" because of its multiple uses, and the 8.5-inch is a semi-float axle, meaning it has only one axle bearing per side, mounted inside the axle tube. 1989 Toyota Pickup/3vze/R150F/Dual RF1A's/8.0 Detroit/8.0 Detroit/5" SAS/38 TSL'S. If youre building a street car and want to improve performance, we all know the drill. Use Loctite #271 on the bolt threads and torque in a crisscross fashion to 55 ft-lb. This will ensure that your backlash is correct without having to swap the shims. I then assembled the pinion, inner bearing, shim pack in the carrier then pressed on the outer bearing using a 20 t press then installed the yoke washer and nut. Call 800.979.0122, 7am-10pm, everyday. If it takes a 1/2-inch wrench to remove it, its an 8.2. 8-11 in/lbs for broken in bearings is acceptable. Its strength and reliability have been proven time again, making it an excellent option for drivers looking for reliable performance from their vehicle. So, in order to adjust the pinion bearing pre-load, shims of varying thicknesses are inserted into pre-load retainers. The distance between the lower center bolt on the cover and either adjacent bolt is 3 3/4 inches. The correct way to do this is to use the yoke lock (part of the setup tool kit we bought) and use a breaker bar with a cheater pipe. Backlash refers to the distance between two mating gear teeth when they are not engaged. We show you how to keep that old GM transmission when swapping in an LS engine. I have seen the ring gear bolts, pinion nut and retaining bolt come loose, but never a bearing cap bolt. It is important to follow the instructions that came with your differential cover, as torque specifications can vary drastically depending on the material and grade of fastener used as well as the material of the diff cover itself. Preload plays an important role in many machine designs for its ability to reduce wear and tear on critical components while improving efficiency and accuracy. Step 3: Back off 3/8-turn for automatic hubs, and just enough to free the bearing for manual hubs. 8-10 ft lbs: None: None: GM 12 Bolt Car: Torque: Lubricant: Thread Locker: Main Caps: OEM Housing: . 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. The rotational torque spec is between 15-19. Pinion Seal Replaced: Pinion Nut Torque Q? | LS1GTO Forums Step 1: To seat, torque nut to 50 (lb-ft) while . Crankshaft Main Bearing Cap Bolts 70. The GM 8.5" 10 Bolt axle, also known as the GM 8.6" axle or GM 10-Bolt, is available in many front and rear axle . Lighter and more efficient than its Ford 9-inch and Dana 60 rivals, the 12-bolt enjoys as much use amongst brand-loyal off-roaders as it . This should result in approximately 7 thousandths of an inch adjustment in terms of backlash. Recently a friend enlisted me to help rebuild his 7.5 GM 10 bolt. Tightening Torque Clamp Load and 12 bolt #s. found these #s at Richmond Gear: Torque specifications. Replace original worn or damaged nuts each time a gear set is changed. They say ignorance is bliss but I say it's just damn expensive. You keep on tightening the pinion nut until you are within the in-lb. I have a 1993 Suburban K1500. Dana 60 Gear Installation - Strange Engineering Edit: Most 8.5-inch 10-bolt rearends have two extruded, cast-in lugs on the bottom of the differential housing at the 5:00 and 7:00 positions. big gear head. Like the 8.2-inch 10-bolt, the 8.5 10-bolts use C-clips to retain the axles. Its strength and durability make it an ideal choice for those who want to take their car out for some fun on the track without having to worry about its performance or reliability. SPEC Clutches: For That Next Engine Swap Or OEM, Shop Tour: Brian Tooley Racing Expands To Be A One-Stop, Moroso Anti-Roll Kit Is The Right Tool For The, Steer Your Classic Ride Straight With A New CPP Steering, NEW LS Bellhousing For Magnum And T56-Shifted Hot, Fenix Is A Next-Gen 69 Camaro With 1,180, A Brothers Quarrel Results In This Fine 1955 Chevy, Is This Barn Find The Worlds First Corvette? Try our Differential Gear Calculator. It involves placing a collapsible spacer between the bearings of the pinion gear, then using a torque wrench to tighten the pinion nut until it reaches the correct amount of pressure or preload on the bearings. Order before 4PM and most parts ship out the SAME DAY. Ring gear bolts. Torque Specs Dana 60 | Off Road Vehicles Back off left-side adjusting nut approximately 2 slots. What is the gear ratio on a 10 bolt rear end? Some builders . Tighten nut until it takes 15-20 inch lbs of torque to rotate the pinion bearings: None: Self Locking Nut . 2 ways. He is resurrecting a G-Body Chevy Monte Carlo and decided to reuse the original 3.73 gears and a factory GM posi unit. West Coast Differentials stocks a complete line of light duty axle parts for Chevrolet, Chrysler, Dana, Ford, GM, Jeep and Toyota and more! Next we disassembled everything, starting with the cross pin bolt, cross pin and C clips. The carrier bearing rides in the races and you will snap the bolt off before you warp or crack the races. Mgrotel, nice cliff notes. You can feel the power of all that torque in your bones as it propels the car forward even faster than before. GM: .035. Preload doesn't have any effect on spring stiffness; rather, its used as a way of compensating for springs that are too soft or too stiff. 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. torque specs 8.5 rear | NastyZ28.com These basic steps should pertain to most GM rear differentials and if followed with leave you satisfied for many miles. However, the gears will not interchange with a Chevy 8.2. . If you are installing an axle and need to know the torque specs, it is important to first understand what torque is. When a very slight increase in pinion turning effort is noted, check the pinion rotating torque using an inch-pound torque wrench. 1/2" x all lengths 100-110 ft lb. sny 00235 converted The reason why it's so hard to turn the pinion nut is because not only are you crushing the crush collar but you're also pressing the outer pinion bearing onto the pinion gear. We pressed the new bearings onto the carrier and the front pinion bearing and went ahead and put the assembly together into the housing. It is important to keep in mind that this can change dramatically based on specific materials used or other variables so it is critical to be sure to consult any instruction manual included with your differential cover before attempting any installation. I am also replacing all the bearings on my son's 97 Chevy rear end. Loosen the right-side adjusting nut and tighten the left-side adjusting nut until the ring gear contacts the pinion without binding. From there I make very minute changes, checking the pre load with the inch lb torque wrench several times. How involved is the process of changing it? For a better experience, please enable JavaScript in your browser before proceeding. This is especially true when it comes to cycling. Next remove the nut and change the seal. It saved me time and effort trying to crush a brand new crush sleeve. There are several differentials for the 10-bolt rearend. By Albert. Our Mopar flexplate buyers guide will help. Backlash = 6-10 (.001 inch) 2003 S-10 ZQ8 - 262/M5:bowtie: 1986 Pontiac Trans Am - 355/A4 While backlash is a necessary component of manufacturing tolerances, it can be a significant source of problems for certain applications. How Much Hp Can Stock 5.3 Injectors Handle, What Kind Of Gas Does A Jeep Cherokee Take, Popping Noise When Accelerating And Braking. The 14 Bolt Bible | Pirate 4x4 Next, attach the pinion nut onto the end of the shaft and use a torque wrench to tighten it to between 110-125 ft/lbs of torque. The closer the teeth count is between the two gears, the higher the speed output will be; conversely, if there is a greater difference in tooth count, then more torque will be generated. PDF Rear Axle Torque Specs Chevy Silverado - annualreport.psg.fr The rear end is full of it. When compressing the crush sleeve, many guys use an impact wrench and end up crushing it too far, ruining the sleeve. Ultimately, both engine power and torque play important roles in determining a cars performance capability as well as its overall efficiency. Good luck finding one of these, however, as they are very popular among performance enthusiasts. (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). Axle Images: Axle Details. Copyright 2023 Sierra Gear & Axle - Web Design by Zenxeon Technologies, Backlash for Aftermarket gears .006 -.012, Instructions Differential Installation & Setup, Differential Setup & Torque Specifications, GM RPO Codes Axle & Ratio Identification, Measurement Axle Shaft Length & Bolt Circle. Another way to tell the difference between an 8.2 and an 8.5 rearend is to pull the cover and look at the bolt holding the spider gear crosspin. The 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. Tips For Rebuilding A GM 8.5" 10-Bolt Rear Differential tighten the nut down till its snug and put on your torque wrench and turn it about 3 revolutions. The side bearing preload is the difference of preloads (5) x the gear ratio (3.73) = 18.65. 12 Bolt Rear Axle Torque Specs. The lower end of this range will give you a cadence of 90 rpm which translates to an average speed of 30 km/h while the upper end will get you going up to 34 km/h. If rotating torque is low, tighten pinion nut in 6.8 Nm (5 ft. Not only was the 10-bolt assembly used in low performance applications, but it was also utilized in a variety of different vehicles ranging from Camaros, Chevelles and Impalas to even the earlier Chevy IIs. When combined with a low curb weight, this combination creates acceleration so fast it feels almost supernatural. Inch pound torque wrench that will read that low of a number which will be "VERY" costly. If your just swapping the pinion yoke out or putting in a new pinion seal and your re-using the old crush collar, just tighten the nut back down till ALL the slop is gone and then tighten about a 1/4 turn more to make sure there is tension on the old crush collar. We were lucky and had a desirable contact pattern on both the drive and coast sides of the gear teeth. Not only has the 10-bolt rearend proved its worth in high-performance, high-horsepower applications, but it has also been found to be a great unit for street/strip cars. Rightfully so, because when comparing the 10 and 12-bolt units, its definitely the more durable of the two. 2.2L FOUR CYLINDER ENGINE: Camshaft sprocket bolt 96. There is no way to happiness.happiness is the way. Differential cap bolt torque: 90 ft*lb. With this pinion nut, you can rest assured that your vehicle will be ready for whatever terrain comes its way! Nov 18, 2016. We'll send you the most interesting Chevy Hardcore articles, news, car features, and videos every week. Learn more about GM steering column identification, GM steering column lengths, and GM steering column compatibility. You can rest assured knowing that your axle is secured with this high quality product. For over a decade, the 8.5-inch 10-bolt was widely used as an axle in many cars and trucks produced by General Motors. Camshaft thrust Plate bolts 106 in-lbs. Speedway Motors employees enjoy not only helping our customers, but also turning some wrenches in their downtime as well. That way, you dont unknowingly spend money on something you really do not want. Ring and Pinion Gear Tooth Patterns - Gear tooth pattern setup and adjustement instructions. I reused the old crush sleeve and just added a thin shim out of the set to be able to get the pinion preload using the old crush sleeve. Pinion nut torque? | Chevy Tri Five Forum TORQUE SPECIFICATIONS-1994-2001 CHEVY S10 s & GMC The specified preload needs to be obtained by carefully crushing the spacer with just enough force from turning the pinion nut in order for it not to be too loose or too tight, as either one can cause serious damage if done incorrectly. Looking for a driveshaft for your 67-72 C10? See all 36 photos. This one is not as easy as it sounds. Original gear ratios in pickups can range from 2.41:1 all the way up to 4.10:1, offering a wide variety of options depending on your needs and preferences. But for all intents and purposes, the 10-bolt rearend is a great unit for a street/strip car, and can be stout enough to handle even the occasional abuse delivered by use at the racetrack. range. 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. You can replace the pinion seal without changing the crush sleeve. Speedway also offers the Economy Ring & Pinion Setup Tool we needed. Fords small block and big block engine families have their share of flexplate differences. We think top-notch customer service is the most important thing we do. 1988 C1500 Silverado, 5.7L with some go fast parts. The following are recommended Differential Set-Up Specifications for various differentials. Search Car Torque Specifications by Engine or Model It is not an uncommon sight to see a Yukon Gear Pinion Nut when it comes to automotive repairs. 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. 7/16" x all lengths 60-65 ft lb. Some of the most popular GM vehicles have come with 10-bolt rear ends. This strength comes from its larger pinion shaft diameter which measures 1.625 inches with 30 splines, 13 percent larger than the 1.438 inch diameter and 25 spline pinion shaft found on a 10-bolt axle. GM 8.875" 12 Bolt Differential Ring Gear and Pinion Set. It is important to have the right pinion nut for your 8.5-inch 10-bolt rearend. OEM bolts have thread locker on the threads. Gear oil is nasty stuff, mostly in smell. Both axles use a third member that contains the differential, which is made up of the . Sometimes, you need to push yourself. Set the preload carefully (see "Set Up Specifications") so that the bearings will have a long life. PDF TORQUE-TENSION REFERENCE GUIDE - Fastenal Okay to Reuse the Pinion Crush Sleeve when Changing Gears? Have a seal puller if possible, makes getting the old one out a lot easier. The 8.5-inch 10-bolt also shares the same pinion shaft diameter as the more expensive 12-bolt. Assemblers must decide for themselves how much leeway they are willing to allow in this area and assess whether the potential results would warrant such leniency. May 22, 2021 / I have been taking it to ~250-300 ft lbs. JavaScript is disabled. Then use lock-tight on the threads and tighten the nut back to where it was. High-Performance Differentials, Axles & Drivelines, How to Measure and ID Differetial Housings, Filling Trim Holes in Car Body: Sheet Metal Welding Tips, Q&A With Our Race Experts: Tuning and Maintenance Tips, Small Block and Big Block Chevy Engine Flexplate Guide, How to Adapt LS Engine to 700R4 or Turbo 350 Transmissions, Chevy C10 Driveshaft Length Measuring Guide, GM Steering Column Compatibility, Interchange & Repair Guide. Torque is a measure of rotational force that must be applied in order to secure components such as axles and other parts together. Record pinion flange rotating torque, with a torque wrench. We started by getting a rebuilt kit from Motive Gear . Crawlpedia is an off-road encyclopedia featuring a complete list of proper ring and pinion gear set up torque and backlash specs. Differential Locker Comparison - A detailed comparison of popular differentials and lockers. This sleeve must be replaced every time the pinion nut is torqued. Over 6,000 Automotive Torque Specs. Axle Type Cover Bolts FT. LBS. Ring and Pinion Ratio Variations - An explanation of why some ring and pinion gear ratios vary. If you locate a rearend that has coil spring perches, it could be from a G, A, B-body, or El Camino. A forum community dedicated to GMC and Chevy full size owners and enthusiasts. This will cause the bearings to press more firmly against the races, thereby increasing preload tension.