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

When combined with a low curb weight, this combination creates acceleration so fast it feels almost supernatural. It also has an inner diameter of 1 . At West Coast Differentials we are committed to making your experience with us totally enjoyable. 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 will cause the bearings to press more firmly against the races, thereby increasing preload tension. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. I agree that the preload needs to be about 30 inch pounds. This procedure is necessary in order to ensure that everything within the drivetrain is working correctly and efficiently. 8-11 in/lbs for broken in bearings is acceptable. Most 8.2 factory covers also have the strangeprotrusionat the top. Backlash refers to the distance between two mating gear teeth when they are not engaged. 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. You will also notice the large, flat, cast-in protrusions at thefive andseven oclock positions. Mine is leaking. We are available to help Monday thru Friday from 8 AM to 5 PM Pacific Standard Time, and most orders placed by 4 PM ship out the SAME DAY! I used an 1/4" inch-lb torque wrench with two adapters and a 1 1/16" socket to check the preload. I will attempt to cover the necessary steps in building a differential for a GM 10 bolt rear end with an 8.5/8.6 ring gear. How to eliminate unwanted to holes in your car's body, trunk, floor, or firewall with easy to use patch plugs from Speedway Motors. So, when adjusting preload, if it is too loose then the shims should be removed. The reliability of the axle tube and . When changing a ring & pinion and doing final install of pinion there is no torque spec on the pinion nut itself. The more torque produced, the less energy needed to move the car forward. 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. 1989 Toyota Pickup/3vze/R150F/Dual RF1A's/8.0 Detroit/8.0 Detroit/5" SAS/38 TSL'S. I have seen the ring gear bolts, pinion nut and retaining bolt come loose, but never a bearing cap bolt. Ultimately, both engine power and torque play important roles in determining a cars performance capability as well as its overall efficiency. How Much Hp Can Stock 5.3 Injectors Handle, What Kind Of Gas Does A Jeep Cherokee Take, Popping Noise When Accelerating And Braking. Order before 4PM and most parts ship out the SAME DAY. Check the pinion preload by rotating the pinion with a torque wrench. Mgrotel, nice cliff notes. 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. Instead of using a C-clip to hold the axle in the housing, these axle assemblies use bolt-in axles, much like an 8.2 BOP rearend. 12 Bolt Rear Axle Torque Specs. Chevy Hardcore NEWSLETTER - SIGN UP FREE! . 1. remove d shaft straps push shaft aside. If i missed any thing PLEASE tell me. We show you how to keep that old GM transmission when swapping in an LS engine. Just out of curiosity,what are the 8.5 (r 65lbft & c 60lbft ?) 1. ft. The "feel" people are way more experienced that you or I so the top one is re-commended. What happens if you have too much backlash in differential. This means that extra care and attention needs to be taken when installing these components so that they do not become damaged or rendered unusable. Known alternatively as the GM 8.875-inch (referring to its ring gear diameter), Chevrolet's 12-bolt rear end is one of the most celebrated in the American hot-rodding scene. He is resurrecting a G-Body Chevy Monte Carlo and decided to reuse the original 3.73 gears and a factory GM posi unit. To reach an accurate level of tension or preload, experience and expertise are usually required when dealing with this type of repair work. Recheck the torque to turn the pinion until it gets to the point where the amount of torque it takes to turn the pinion is between 15-25 in. GM 10.5" 14 Bolt: 20 to 35 in-lbs. I have seen street 12 bolts that . 2/3 drop, HP Tuned, Built 60e, 4.10s, Yukon Duragrip, etc. Ring gear bolt torque: 110 ft*lb. 7.25 12-14: 6-7: 6-10: 55: 50: 8 IFS: 12-15: 6-8: 6-10: 55: 60: 8.25 12-15: 6-8: 6-10: 55: 60: 8.75 - 41 Case: 13-15: 6-8: 6-10: 55: 90: 8.75 - 42 Case: 15-25: 7 . Tighten nut until it takes 15-20 inch lbs of torque to rotate the pinion bearings: None: Self Locking Nut . That is theimpetus for why we decided to put this swap meet/junkyard identification guide together. 7/16" x all lengths 60-65 ft lb. (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). We talked to a few of our in-house race experts about ways to make this racing season your best one yet! It saved me time and effort trying to crush a brand new crush sleeve. That does not describe how tight the pinion nut needs to be however. Lifted78Chevy. Shop Differential Pinion Bearing Spacers and Sleeves at Summit Racing. grade 8. This is a metal spacer, usually made of brass or aluminum, that is used to put tension between the bearings in order to keep them properly spaced and aligned. Gear oil is nasty stuff, mostly in smell. big gear head. The number of teeth on each of these gears determines how much rotational force is converted into torque or speed. This method works every time is done precisely as described. Back off left-side adjusting nut approximately 2 slots. This ring and pinion install kit comes with new pinion bearings, carrier bearings, races, crush sleeve, pinion nut, pinion seal, a gasket and even has the gear marking grease included. For the street/strip car, the 10-bolt rearend is a great choice. You Make The, 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: Prestige Motorsports Is Your One-Stop Hot Rod, Full Factory Tour: How Edelbrock Makes Its Cast Aluminum, HOLY SHIP! We look forward to serving you! 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. How do you fix a loose pinion bearing preload? These basic steps should pertain to most GM rear differentials and if followed with leave you satisfied for many miles. 35-Spline Pinion - 250 ft lbs. It was first developed for racing cars where superior control on fast corners is essential for success; however, today torque vectoring differentials can be found in many production vehicles as well due to their exceptional performance benefits. You will need to know that there are different series of differentials (seriestwo and three). This should result in approximately 7 thousandths of an inch adjustment in terms of backlash. Call 800.979.0122, 7am-10pm, everyday. It is internally different from the 8.2 Chevy, but has the same external bosses and brackets. The 8.5-inch 10-bolt rearend was used in cars and trucks over a wide range of years. Set the preload carefully (see "Set Up Specifications") so that the bearings will have a long life. tighten the nut down till its snug and put on your torque wrench and turn it about 3 revolutions. Next we disassembled everything, starting with the cross pin bolt, cross pin and C clips. 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. Oct 29, 2001. 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 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. Come join the discussion about Silverados, Sierras, and other full size trucks performance, modifications, suspension, lift kits, tires, maintenance, and more! Automotive Chassis Torque Specs. However, the gears will not interchange with a Chevy 8.2. 2023 Power Automedia. Both axles use a third member that contains the differential, which is made up of the . This ensures all parts remain tightly fitted together without any space between them, resulting in increased stiffness as well as reduced friction within the system as a whole. 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. 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. Unfortunately, unless you have the two units side by side, it is nearly impossible to tell them apart. While backlash is a necessary component of manufacturing tolerances, it can be a significant source of problems for certain applications. Good info on this site from what I've seen so far, kudos. Maintaining your car's paint finish is essential to keep it looking great. GENERAL MOTORS: APPLICATION: FT-LBS / ( N-m) AXLE SHAFT FLANGE BOLT 'S' BODY CAR: 27 (37) TRUCKS: 60 (82) AXLE SPINDLE NUT 'A' BODY: 192 (261) 'C' 'E' 'H' & 'K' BODIES : 180 (245) 'J' & 'L' BODIES . Search Car Torque Specifications by Engine or Model We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. 2429 Mercantile Drive Suite A, Rancho Cordova, CA 95742, Copyright 2023 West Coast Differentials | Website Design by. Before disassembly, we marked the bearing caps and kept the side bearing shims on the correct side. Some pinion nuts require a special procedure to be properly installed. Chrysler 300 and Dodge Charger 2006-2008 Torque Specifications Repair Guide. Here is my related question at almost 1 a.m. and torn down in driveway need to get to work: There was quite a chance that you have crushed the sleeve beyond the preload spec to make it hard to turn. Is a GM 10 Bolt rear end good? Im gonna go buy a good manual for shit like this. 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. 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. lbs.) Pinion preload (new bearings): 17 - 30 in*lb. 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. By Albert. That way, you dont unknowingly spend money on something you really do not want. Pinion Nut FT. LBS. 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.