Peter - I'm retired but work part time as a pain in the ass. Currie 44 : Torque: Pinion Nut (Solid Spacer) 250 ft lbs. GM 8.5" 10 Bolt / Ring & Pinion Gear Set w/ Master Bearing . It's essential that you use enough force while tightening down the pinion nut so that your component will stay securely attached; however, it's equally important not to over-torque the part, which could cause permanent damage or deformation. Upgrade your cam, intake, headers, stall converter, and the list goes on from there. Dana 60. These basic steps should pertain to most GM rear differentials and if followed with leave you satisfied for many miles. The purpose of preloading a bearing is to eliminate any existing clearance that has been designed into standard ball bearings by utilizing tension or compression loads applied directly onto each component within the assembly. The pinion bearing preload is an important component of the drivetrain system, as it works to ensure that the pinion gear's tapered bearings are running smoothly and efficiently. The PYN10 - 10-Bolt 8.5" Pinion Nut is perfect for 30 spline pinions, providing a dependable and secure connection between the driveshaft and differential ring gear. What happens if you have too much backlash in differential. Alternate Description. Upon initial . What is the torque specs on pinion nut? you have it pretty much. The pinion diameter is 1.438 inches, and has 25 splines. On top of that, many pickup owners find that making such modifications also provides them with a greater sense of control over their vehicles capabilities, allowing them to feel more confident and secure on their journey no matter what lies ahead on Oct 5 2022. 14 TO 19. His passion for performance got him noticed by many locals, and he began helping them modify their vehicles. The rotational torque spec is between 15-19. Chrysler 300 and Dodge Charger 2006-2008 Torque Specifications Repair Guide. So, in order to adjust the pinion bearing pre-load, shims of varying thicknesses are inserted into pre-load retainers. Use oil on the pinion nut washer surface during all assemblies . Not only will you be getting the best quality performance with JEGS Pinion Nut, but you'll also have the convenience of knowing it's made to fit GM 8.875 inch 12-bolt car and truck axles. If you find a rearend that uses a large spring perch like this, it is from either an X or F-Body. It refers to how much tension is applied to the spring before it's installed in the vehicle and can be adjusted accordingly. Generally speaking, these torque specifications will fall between 20-30 ft/lbs; however, for most applications ARB recommends a torque specification of right around 25 ft/lbs. 2 ways. Is a GM 10 bolt rear end good? Once you have obtained your desired setting, it is important to apply preload while rotating the pinion in order to ensure proper engagement with its mating components. This will ensure that your backlash is correct without having to swap the shims. The PYN10 pinion nut has been specifically designed to fit 30 spline pinions and provide a secure fit and lasting performance. Failure to apply enough preload on the bearings can have an adverse affect on gear contact patterns. It is internally different from the 8.2 Chevy, but has the same external bosses and brackets. Just get a couple sacrificial pinion bearings and open them up a little so you don't have to press them on and off the pinion and add/remove shims until you get the correct preload shown on page 2 of the set up manual. The Hex is 5/16 the threaded part is SAE 5/16 inch 18 threads per inch. 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. Products include ring and pinion sets, installation kits and axle shafts for GM, Ford, Chrysler, Jeep, and Toyota vehicles. Gear Ratio Calculator - Calculate the gear ratio of gears based on their tooth count. Camshaft thrust Plate bolts 106 in-lbs. I was able to pull the old crush sleeve from the pinion gear shaft without damaging it, so I just reused it and added a 0.51mm shim to it. The pinion nut should also measure 1 1/8 inches, if the OEM pinion nut is still in use. Some builders . Additionally, it increases load capacity because it prevents misalignment due to vibration or thermal expansion of components. Ultimately, both engine power and torque play important roles in determining a cars performance capability as well as its overall efficiency. You can use this instead of the crush sleeve. The Fora platform includes forum software by XenForo. Once you give everything a thorough inspection you can begin the re-assembly process. Read More. Additionally, its unique thread pattern provides torque retention while eliminating any possibility of loosening or vibrating off over time due to vibration or shock loads. Nut secures driveshaft yoke to pinion gear. Unfortunately, once this tension has been released the crush sleeve cannot hold it again. When additional shims are added, this increases the total width of the retainer assembly, pushing the bearing cones further away from their respective cups and as a result reducing drag on them. Order before 4PM and most parts ship out the SAME DAY. Dana Technical Service Specs. Pinion Bearing Preload (New) (inch/lbs) Pinion Bearing Preload (Used) (inch/lbs) Backlash (.001 in) Ring Gear Bolt Torque (Foot lbs.) This axle was found in various vehicles from Chevrolets and Pontiacs to Oldsmobiles and Buicks with some of these models continuing production well into the early 80's. Most 8.2 factory covers also have the strangeprotrusionat the top. I have seen street 12 bolts that . 1. remove d shaft straps push shaft aside. As a result, this construction became one of the most popular axle assemblies on the market due to its durability and affordability. This is done in order to decrease pre-load on the bearings; adding more shims will have an overall effect of decreasing it. 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. Part Number. By following these steps carefully and precisely, you can ensure that your gear and carrier are set up correctly for optimal performance. Inch pound torque wrench that will read that low of a number which will be "VERY" costly. Over 6,000 Automotive Torque Specs. 440-500 lbs ft and I wouldn't tackle it bring it somewhere where they know what they are doing..I have a four foot torque wrench that goes to 500 but thats one hell of a grunt and you have to hold the flange while doing this. Nov 18, 2016. Replace original worn or damaged nuts each time a gear set is changed. The only torque you should be concerned with is the torque it takes to rotate the pinion gear alone, 8-14 inch pounds for old bearings, 16-29 in/lbs. Tighten bolt to 20 ft/lbs. Rotate the pinion when tightening the nut to seat the bearings evenly. It is important to note that if possible, it is best practice to use an old or used pinion nut for this operation, as new ones can often bind when tightened too much. GM 14 Bolt Specs (all data for SRW truck 14 Bolt axle - others may vary - see table on "different 14 bolts" below) . Too much won't hurt anything other than break the bolt. 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. Depending on what you're using it for, there is an axle size to suit; 7.5/7.625-, 8.2-, 8.5- or 8.6-inches from smallest to largest respectively, so no matter how much horsepower you need to support, there is an option available to fit your needs perfectly and provide excellent strength and reliability even under heavy loads and high speeds. Either way, the nut should be tightened to produce 24-32-in-lb of torque to turn the pinion . Jul 2, 2020 / does anyone know the torque specs for a 10 bolt 7.5 for the pinion and carrier caps . How do you fix a loose pinion bearing preload? The distance between thebottom center bolt in the cover and its adjacent bolts is 3 1/4 inches. increments until rotating torque is achieved. When combined with a low curb weight, this combination creates acceleration so fast it feels almost supernatural. for new bearings. 6 TO 10. Final torque on the pinion nut is necessary to compress the crush sleeve. Vendor Part Number. Determining the correct flexplate for your V8 Mopar-powered project takes a little understanding of how these engines were balanced. The pinion nut is a 32mm or 1 1/4" so you need a socket and adapters for that. The pinion on the left is part of a 4.11:1 gear set; the one on the right is a 3.08:1 pinion. The torque it takes to crush . This is zero backlash. CHECK FREQUENTLY as you progressivley tighten the pinion nut. A forum community dedicated to GMC and Chevy full size owners and enthusiasts. ring gear bolts torque at 175lb/ft, bearing cap bolts torque at 200lb/ft, and the ring gear backlash should be between .006-.010 for aftermarket gears, .005-.007 for OEM gears. To ensure optimal performance in any application, it is essential to pay close attention to the amount of backlash between gears on all differentials. Follow along as we show how to measure and install a C10 one piece driveshaft. Unfortunately, unless you have the two units side by side, it is nearly impossible to tell them apart. Next remove the nut and change the seal. It should be noted that while this axle is suitable for everyday driving and light duty applications, it must be upgraded if you plan on doing any serious racing or off-road activities with your vehicle. The unique design and shape make installation easier while providing ample strength for off-road applications. .006" to .010" 120 ft-lbs. Inside the 8.2-inch 10-bolt, the ring-gear bolts have 9/16-inch socket heads with 3/8-24 left-hand threads. I used an 1/4" inch-lb torque wrench with two adapters and a 1 1/16" socket to check the preload. We think top-notch customer service is the most important thing we do. Good luck finding one of these, however, as they are very popular among performance enthusiasts. to do this. 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. 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. #5. It doesn't have to be hard, and we offer some tips to keep your car's finish in top shape. Carrier Cap Bolts. When compressing the crush sleeve, many guys use an impact wrench and end up crushing it too far, ruining the sleeve. There is no way to happiness.happiness is the way. For the fastest service, call our Differential Parts Experts at (800) 510-0950 for immediate assistance. I like to slowly tighten the new pinion nut until I take up all of the front to back free play. FSM says 181-325 ft-lbs. TORQUE-TENSION REFERENCE GUIDE Printed in U.S.A. Supply Part Number: 9702365 AS 06/14 Torque Poster . Ring and Pinion Gear Tooth Patterns - Gear tooth pattern setup and adjustement instructions. Tightening Torque Clamp Load (lbs.) Now that we know our pinion depth shim is correct we can do the final assembly. Furthermore, this process helps improve performance by increasing load capacity due to preventing misalignment caused by environmental factors such as vibration or thermal expansion of parts over time; additionally it also allows for smoother operation with less noise generation compared to regular ball bearings with their built-in clearances leading ultimately to higher durability rates since theres less overall wear and tear on individual components throughout long term use. Furthermore, this action reflects positively on the company's overall commitment to providing reliable transportation services while ensuring its customers' safety remains paramount at all times. At West Coast Differentials we are committed to making your experience with us totally enjoyable. 2429 Mercantile Drive Suite A Set the preload carefully (see "Set Up Specifications") so that the bearings will have a long life. New bearings 19 to 22 inch pounds. Its strength and reliability have been proven time again, making it an excellent option for drivers looking for reliable performance from their vehicle. 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. It's got a 350 with a 10-bolt rear end. Once you get close to the right pinion preload, shim thickness adjustments need to be made in the .003 and down range to make adjustments, small increments make a big difference in pinion preload. Ford 9 inch torque specs; Gear Ratio Calculator; Order Forms. With one nut per package and a 7/8-16 thread size, this pinion nut is made from strong steel and has a sleek black finish for a nice look. Take Zach R. for instance. We talked to a few of our in-house race experts about ways to make this racing season your best one yet! minimum is 181 ft-lbs., maximum 325 ft-lbs., keep cranking till you get within the range of 7.8-11.3 in-lbs of preload torque on the pinion. By asking ourselves what makes us different than other companies, our answer is that we deliver the level of customer service that other companies only promise. Max Ellery's Land Cruiser Repair Manual 1969-1990 (FJ & RJ) Not only does a torque vectoring differential perform the same basic tasks as a regular differential, but it also has an extra element that sets it apart: its ability to transfer torque between the left and right wheels independently. Used bearings 10 to 14 inch pounds. An 8.2 (shown) will have the same contour as the cover. Therefore, when building a performance car or truck that will be subjected to higher than normal stresses and torque loads, such as those produced by high horse power engines or increased traction created by sticky drag racing tires, it may be beneficial to choose a 12-bolt instead of a 10-bolt axle assembly in order to ensure maximum strength and reliability. All 8.6-inchrears have disc brakes, and 8.5-inch units have drum brakes. It has to be drained to get a peak inside. We look forward to serving you! The ideal amount of torque required on a pinion nut when installing an axle depends on many factors, but typically you should aim for 110-125 ft/lbs of torque unless otherwise specified by step #6 during the installation process. Ring and Pinion Ratio Variations - An explanation of why some ring and pinion gear ratios vary. By continuing to use our website, you agree to our Privacy Policy. The retaining bolt can be hard enough to get out without using the red high strength Lock Tight on it. Ring Gear Diameter: 8.500Cover Bolts: 10Ring Gear Bolts: 10Ax . Bearing Cap Torque (Foot Lbs.) Install left-side adjusting nut lock, washer, and bolt. 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. Race-spec ring and pinion gears for desert racing, rock bouncing, and rock . May 22, 2021 / You will need a torque meter in inch-lb. 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. On the other hand, reducing the size of the pinion or increasing the size of spur gear will result in decreased top speed but with an increase in acceleration. The carrier bearing rides in the races and you will snap the bolt off before you warp or crack the races. Pinion preload (used bearings): 8 - 10 in*lb. Is a GM 10 bolt rear end good? This essential part is designed for use on vehicles with a 1 1/4 inch socket and 7/8 x 14 thread that can be found in many common automotive applications such as differential covers, yokes, and axle shafts. Sierra Gear & Axle parts are designed and engineered to the highest quality specifications for use in street, off-road and performance environments. 2023 Power Automedia. 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. This is all with the old crush sleeve. When a very slight increase in pinion turning effort is noted, check the pinion rotating torque using an inch-pound torque wrench. I don't use it on the bearing cap bolts. Here's a link to when I did mine. This is in contrast to high-end torque, which describes how much power and force is produced by an engine at higher RPMs, such as 4000 or 6000. 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. The number of teeth on each of these gears determines how much rotational force is converted into torque or speed. We show you how to keep that old GM transmission when swapping in an LS engine. Well help you determine the correct flexplate for your Chevy engine in this buyers guide. 4.replace seal. FOR 1994-2001 CHEVY S10's & GMC SONOMA's. **ALL TORQUE SPECS ARE PER GM FACTORY & HAYNES MANUAL**. The Fora platform includes forum software by XenForo. The small torque . Then after getting the proper gear patterns you put the new crush sleeve and seal in place and tighten the pinion nut to force the crush sleeve. The distance between the lower center bolt on the cover and either adjacent bolt is 3 3/4 inches. GM 8.875" 12 Bolt Differential Ring Gear and Pinion Set. It also has an inner diameter of 1 . Currie 60/70 : Torque . The date and location of manufacture coding changed in 1971. Thanks Mike, Id appreciate it. 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? After that we removed the old bearings and cleaned all the parts up in the solvent tank. Maintaining your car's paint finish is essential to keep it looking great. When it comes to Chevrolet rearends, its the 12-bolt that seems to get all the accolades. This assembly featured an 8.2-inch ring gear diameter as well as 28-spline axles which provided adequate strength for these vehicles. Loosen the right-side adjusting nut and tighten the left-side adjusting nut until the ring gear contacts the pinion without binding. With the pinion bearing properly lubricated, increase or decrease . While backlash is a necessary component of manufacturing tolerances, it can be a significant source of problems for certain applications. I have a 2004 Chevy Silverado 1500, 4.8L engine, 4x4, single cab, 6' bed, what are the torque specs for the drive shaft bolts that bolt the drive shaft into the rear end yolk? I agree that the preload needs to be about 30 inch pounds. Whats The Reason Enthusiasts Cant Get, Yes I Am A Dinosaur, And Why I Feel Electric Cars, Rare Rides: The 1969 Chevrolet Camaro COPO, SPEC Clutches: For That Next Engine Swap Or OEM Upgrade, Shop Tour: Brian Tooley Racing Expands To Be A One-Stop Shop, Moroso Anti-Roll Kit Is The Right Tool For The Dragstrip, Why You Need A Proper Fuel Tank Vent In Your Ride, Fenix Is A Next-Gen 69 Camaro With 1,180 Horsepower. Skip to main content. For 30 spline pinion axles, PYN10 offers a 10-bolt 8.5" pinion nut that is designed to provide secure and reliable performance in the toughest of conditions. Call 800.979.0122, 7am-10pm, everyday. Sometimes, you need to push yourself. It said you want this to be from 5-35. Talk to the experts. PINION NUT GM 7.5 8.5. . This means that turning the pedals at the front will turn the back wheel 4.55 times over, which requires quite a bit of effort but allows for fast movement once achieved. Since listing them all within this article is impossible, well be focusing only on visual identification. Find the torque thats on it before hand and tighten it down to that afterwards. Check the pinion preload by rotating the pinion with a torque wrench. By manipulating these two components and their ratio to each other, you can achieve different levels of performance from your vehicle that may suit your individual needs better than stock settings would. 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. How Much Hp Can Stock 5.3 Injectors Handle, What Kind Of Gas Does A Jeep Cherokee Take, Popping Noise When Accelerating And Braking. 2/3 drop, HP Tuned, Built 60e, 4.10s, Yukon Duragrip, etc. I thought the pinion nut would be more like 50-75 FOOT pounds? This should result in approximately 7 thousandths of an inch adjustment in terms of backlash. Additionally, this nut features a thread pitch of 11/16 x 20 which allows for easy removal during maintenance periods or when replacing bearings or other components within your axle assembly. 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. 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. 8 to 11 in-lbs. See other Red Line Oil Products that we recommend. ExtCab96S_Dime . Not only has Chevrolet taken the initiative to buy back some of their 2017-2019 Chevy Bolt electric vehicles (EVs) due to safety recalls, but they have also gone above and beyond by reimbursing owners the full purchase price for their vehicle. Just think, now when you and Drew drive out to Moab, you can sit and take a nap every other time Drew has to fuel. Axle Order Form; Floater Axle Order Form; Custom Driveshaft Order Form; . The 8-inch rear axle looks very much like the popular Ford 9-inch rear axle. 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. lbs. Use the blue medium strength on the retaining bolt and the red on the others. These protrusions are larger than those on the 7.5 rearend. lbs.) How a GM 10-Bolt Differential Goes Bad. Alternatively, shims can also be used to adjust the pinion depth. I have seen the ring gear bolts, pinion nut and retaining bolt come loose, but never a bearing cap bolt. How involved is the process of changing it? 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. This heavy-duty nut is made with high quality materials and manufactured to exacting standards, ensuring it stands up to whatever you throw at it. Here are the thin shims from the Summit crush sleeve eliminator. 8-10 ft lbs: None: None: GM 12 Bolt Car: Torque: Lubricant: Thread Locker: Main Caps: OEM Housing: . This high quality product ensures that your vehicle's rear axle assembly will remain securely fastened and properly aligned during operation, giving you peace of mind when driving on the roads or tracks. Follow along as our employee Zach installs a GM 10 bolt rebuild kit from Motive Gear. Yukon Gear's Pinion Nut makes any job more efficient by ensuring your parts remain secure while providing superior protection from contaminants. We have your differential parts in stock ready to ship today. For a better experience, please enable JavaScript in your browser before proceeding. Sierra Gear & Axle is a premium line of light-duty differential parts. This ring and pinion setup guide is Copyright Crawlpedia.com - Please provide a link back to this page when copying. Many times, if you locate a 10-bolt rearend, its usually a 7.5-inch unit. 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. The pinion nut needs to be torqued to 250 ft/lbs. Uses 28 or 30 spline c-clip axles. Torque Specs on Dana 60. The side bearing preload is the difference of preloads (5) x the gear ratio (3.73) = 18.65. It was used in different models by all GM divisions with the exception of Cadillac. extended cab crew cab p 14 8 6 gm rear axle specifications 10 bolt cont, what are the torque specs on silverado rear diff cover you need rear axle pinion nut torque specs for a 98 chevy 12 ton pickup 2wd the nut is generally torqued to 260 300 ft lbs or 25 inch, proper torque specs for 2002 chevy silverado 1500 44 hub assembly to steering . We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. Whilethe 10-bolt rearendslineage can be identified by the code stamps, which are usually on the passengers side axle tube, there are literally hundreds ofpotential codes for the three different 10-bolt rearend housings. Products include ring and pinion sets, installation kits and axle shafts for GM, Ford, Chrysler, Jeep, and Toyota vehicles. Ring Gear Bolt Torque (Foot lbs) (N.m.) Bearing Cap Torque (Foot lbs) (N.m.) AMC; Model 15 : 20 - 40 (2.3 - 4.5 ) . Then use lock-tight on the threads and tighten the nut back to where it was. 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 .