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. This tension is achieved through a collapsible spacer which is placed between the bearings and then compressed by turning the pinion gear nut. 7/16" x all lengths 60-65 ft lb. This results in improved performance, longer life span and more efficient operation of the system. Talk to the experts. If in doubt, consult our staff of differential parts specialists. Here are the thin shims from the Summit crush sleeve eliminator. MODEL 20. On the other hand, if there is too much backlash then this will also lead to excessive mechanical wear due to increased friction and noise as the teeth continually rub against each other. 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. The easiest way to tell the difference is by looking at the brakes. Lifted78Chevy. First mark the position of the nut with a chisel or other method so you can tighten it back to exactly the same place. The Fora platform includes forum software by XenForo. 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. Ford 9 inch Torque Specs - Strange Engineering I thought the pinion nut would be more like 50-75 FOOT pounds? Pinion nut torque spec. | S-10 Forum The pinion nut should also measure 1 1/8 inches, if the OEM pinion nut is still in use. 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. Upgrade your cam, intake, headers, stall converter, and the list goes on from there. 2/3 drop, HP Tuned, Built 60e, 4.10s, Yukon Duragrip, etc. 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. Automotive Torque Specifications by Model - TorkSpec - Knowledge for 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. BOP stands for Buick/Oldsmobile/Pontiac. May 22, 2021 / How tight should a pinion nut be? The torque it takes to crush . PDF Rear Axle Torque Specs Chevy Silverado - annualreport.psg.fr If i missed any thing PLEASE tell me. LBS. (note make sure the pinion bearing is well oiled when doing this procedure.) . Pinion nut so tight I can't turn but still has play in bearing. On the other hand, if your backlash is too wide you will need to adjust by moving the carrier towards the pinion with a similar measurement technique. 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. Our custom-length driveshaft kits make it a breeze to get the perfect 67-72 C10 driveshaft length. big gear head. GM 10-bolt 8.5-inch Differentials | Hemmings We pressed the new bearings onto the carrier and the front pinion bearing and went ahead and put the assembly together into the housing. 1988 C1500 Silverado, 5.7L with some go fast parts. 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. Low-end torque refers to the amount of power and force generated by an engine at low revolutions per minute (RPMs), usually between 2000 and 3000. The concept of low-end torque is an important one for drivers to understand when it comes to the performance of a vehicle. 14 TO 19. you have it pretty much. Rear end pre load torque | Chevy and GMC Duramax Diesel Forum Part Number. It doesn't have to be hard, and we offer some tips to keep your car's finish in top shape. Inside the 8.2-inch 10-bolt, the ring-gear bolts have 9/16-inch socket heads with 3/8-24 left-hand threads. Edit: Torque Specifications Archives - AutoZone I don't use it on the bearing cap bolts. That way, you dont unknowingly spend money on something you really do not want. I need the torque on the pinion nut for the rear differential. I have a 2001 2500 HD. Since listing them all within this article is impossible, well be focusing only on visual identification. 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. With this pinion nut, you can rest assured that your vehicle will be ready for whatever terrain comes its way! 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. 8-10 ft lbs: None: None: GM 12 Bolt Car: Torque: Lubricant: Thread Locker: Main Caps: OEM Housing: . Give us a try, we think you'll be glad you did! 8 to 11 in-lbs. 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. Ford 9 inch Torque Specs for Ford 9 inch center Section torque specs. In either case, it is important that this critical adjustment be performed correctly in order to avoid costly repairs or replacements down the line. The side bearing preload is the difference of preloads (5) x the gear ratio (3.73) = 18.65. Ring Gear Diameter: 8.500Cover Bolts: 10Ring Gear Bolts: 10Ax . Many times, if you locate a 10-bolt rearend, its usually a 7.5-inch unit. This article is a compilation of information and and specs relating to the venerable GM Corporate 14 Bolt full-floating rear axle - also referred to as the 10.5" (after the size of the ring gear in inches) or just simply the "14b" for short. Some builders . Ring gear bolts. Replace original worn or damaged nuts each time a gear set is changed. General Motors torque specifications - rockfordcv.com Follow along as we show how to measure and install a C10 one piece driveshaft. For bearings that are already in use, set preload at 15 inch-pounds; if they are new bearings then you should aim for 25 inch-pounds when setting preload. The pinion nut needs to be torqued to 250 ft/lbs. At West Coast Differentials we are committed to making your experience with us totally enjoyable. and 12 bolt #s. found these #s at Richmond Gear: Torque specifications. 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 SPECIFICATIONS. We were lucky and had a desirable contact pattern on both the drive and coast sides of the gear teeth. This is especially true when it comes to cycling. The rear end is full of it. These are considered highway gears that are good for top speed, not for off-the-line performance. The pinion shaft diameter is 1.625 inches and will have either 28 or 30 splines. It also has an inner diameter of 1 3/16", allowing it to accommodate most 30 spline yokes without any extra modifications or components needed. Ring gear bolts 65 foot pounds, bearing cap bolts 60 foot pounds. That being said, limited gear sets are offered for the carriers, especially if you plan to change gear ratios. Alternatively, shims can also be used to adjust the pinion depth. It has a black oxide finish that ensures corrosion resistance while its construction of hardened steel ensures durability even under extreme conditions. The 8.5-inch 10-bolt also shares the same pinion shaft diameter as the more expensive 12-bolt. Step 1: To seat, torque nut to 50 (lb-ft) while spinning hub. 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. Save Share. Rightfully so, because when comparing the 10 and 12-bolt units, its definitely the more durable of the two. 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. GM 10.5" 14 Bolt: 20 to 35 in-lbs. 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. With the pinion bearing properly lubricated, increase or decrease . 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. With proper maintenance, this rearend will hold up over time and ensure that your vehicle runs smoothly no matter what sort of conditions you put it in. In this context, "hardest gear" refers to the ratio of front sprocket teeth to rear sprocket teeth - typically expressed as 4.55:1. MOPAR: 8.75" x 1.75" pinion: .090. . Torque / Capacities - Currie Enterprises His passion for performance got him noticed by many locals, and he began helping them modify their vehicles. GM 10 Bolt Rear Gear Install & Setup - Truck Mod Central Crankshaft Pulley to Hub Bolts 37. When in doubt, refer back to step #6 for more information about suggested torque specs for your particular axle installation project. One intimidating part for a lot of guys is the rear end. With its superior strength and durability, you can count on your PYN10 pinion nut to remain securely in place for years of reliable service. The 8.5-inch 10-bolt rearends have ten 3/4-inch hex head bolts with 7/16-20-inch left-hand thread bolts that hold the ring gear to the carrier. Oct 20, 2011. On the other hand, if preload is too tight then you'll need to take out the pinion gear and add extra shims in order to reduce bearing pressure against the races. It is not an uncommon sight to see a Yukon Gear Pinion Nut when it comes to automotive repairs. The pinion nut is designed to securely fasten the components together while also providing an effective seal against contamination from dirt, dust and other debris. I got the price for the seal, and it is near $9. GM 8.6" gears will fit GM 8.5" axles and as such have become the universal aftermarket size for both. Drive Train Specialists Setup Specifications | DriveTrainSpecialists.com Back off left-side adjusting nut approximately 2 slots. Dana 60 Gear Installation - Strange Engineering 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! Like all Chevy 10-bolts, the axles are retained by C-clips on the inner end of the axle shaft inside the carrier. Yukon Gear & Axle SK CSGM8.5 Yukon Gear & Axle Crush Sleeve Eliminator Kits | Summit Racing. But, did you know there is more than one style of 10-bolt rearend? I have been taking it to ~250-300 ft lbs. Setup Specifications. Pinion nut torque, what's the definitive answer? - Chevy Nova Forum It is estimated that this specific axle saw use on over 11 million vehicles during its reign of production making it one of the most popular axles ever created by GM for their consumer market line up. Pinion Nut 8.2 in GM 10-Bolt | Allstar Performance Search Car Torque Specifications by Engine or Model 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. If you're looking to get the most out of your pickup truck, you may want to consider changing the gear ratios. Torque Spec for input flange on differential | E46 Fanatics Forum It saved me time and effort trying to crush a brand new crush sleeve. By following these steps carefully and precisely, you can ensure that your gear and carrier are set up correctly for optimal performance. Race-spec ring and pinion gears for desert racing, rock bouncing, and rock . Upon initial . The 8-inch rear axle looks very much like the popular Ford 9-inch rear axle. 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. Rear end torque spec.s,8.2 | Team Chevelle GM 10 Bolt Rebuild Instructions - Speedway Motors You can feel the power of all that torque in your bones as it propels the car forward even faster than before. This heavy duty nut has been designed using high grade steel and features a zinc plated finish for maximum protection against rust and corrosion. It is therefore important to strike a balance by carefully adjusting the backlash so that it meets manufacturer requirements for that particular differential system. Pinion Nut Torque Spec - Ford Truck Enthusiasts Forums We will safeguard your e-mail and only send content you request. Failure to apply enough preload on the bearings can have an adverse affect on gear contact patterns. 8-Inch Ford Rear End Torque Specifications | It Still Runs We believe that our exceptional customer service and product knowledge is what sets us apart from the competition. 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. 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. 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. Some vehicles require an 8.5" 10-bolt pinion nut to secure the rear axle assembly of their vehicle. Torque measures the amount of force that is generated when the engine rotates at a certain speed. **Note the Pinion nut is in INCH pounds Ring Gear Bolts = 55 lb. Pinion Nut Size: 1-1/4" Featured Products: GM 8.2"/8.5"/8.6" (Chevy) 10 Bolt / Aluminum Girdle Cover / TA Performance / TA_1807 . When I changed all the bearings in my suburban rear end, I bought the crush sleeve eliminator shims from Summit. Pinion Nut FT. LBS. Peter - I'm retired but work part time as a pain in the ass. We started by getting a rebuilt kit from Motive Gear . Looking for a driveshaft for your 67-72 C10? West Coast Differentials stocks a complete line of light duty axle parts for Chevrolet, Chrysler, Dana, Ford, GM, Jeep and Toyota and more! The PYN10 pinion nut has been specifically designed to fit 30 spline pinions and provide a secure fit and lasting performance. 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? 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. 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. 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. torque specs 8.5 rear | NastyZ28.com The 8.5 rearend will have a round cover, and part of the cover will extend rearward to make room for the ring gear. :yipi: Thats it?? 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. Speedway also offers the . 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. We have your differential parts in stock ready to ship today. Continue tightening the pinion nut to collapse the spacer and preload the bearings. 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. We show you how to keep that old GM transmission when swapping in an LS engine. 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 pinion nut is a 32mm or 1 1/4" so you need a socket and adapters for that. Sure, you know whats in there and what it does but are you willing to tear into it and rebuild the differential? Repairing your C2 and C3 Corvette Rearend - MotorTrend How Much Hp Can Stock 5.3 Injectors Handle, What Kind Of Gas Does A Jeep Cherokee Take, Popping Noise When Accelerating And Braking.
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