For a better experience, please enable JavaScript in your browser before proceeding. I need the torque on the pinion nut for the rear differential. However, the gears will not interchange with a Chevy 8.2. Our Mopar flexplate buyers guide will help. 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. That way, you dont unknowingly spend money on something you really do not want. Order our high performance synthetic oil and friction additive combo kit at time of order for ring and pinion or bearing overhaul kit and pay only $49.95 plus S&H, a $54.00 value. lbs.) 24-32 INCH pounds?? Sierra Gear & Axle parts are designed and engineered to the highest quality specifications for use in street, off-road and performance environments. I have seen street 12 bolts that . 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? Back off left-side adjusting nut approximately 2 slots. GM 8.5" 10 Bolt / Ring & Pinion Gear Set w/ Master Bearing . 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. Yukon Gear's Pinion Nut makes any job more efficient by ensuring your parts remain secure while providing superior protection from contaminants. Then use lock-tight on the threads and tighten the nut back to where it was. 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. How to eliminate unwanted to holes in your car's body, trunk, floor, or firewall with easy to use patch plugs from Speedway Motors. With the pinion bearing properly lubricated, increase or decrease . Shop for New Auto Parts at 1AAuto.com http://1aau.to/c/553/e/driveshaftThe differential Pinion Flange is part of the universal joint that connects the drive . 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. 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. When it comes to suspension, preload is an important factor. These protrusions are larger than those on the 7.5 rearend. By following these steps carefully and precisely, you can ensure that your gear and carrier are set up correctly for optimal performance. tighten the nut down till its snug and put on your torque wrench and turn it about 3 revolutions. The 8-inch rear axle looks very much like the popular Ford 9-inch rear axle. A 2.6-3.0 gear ratio range is perfect for flat places and most people find this ratio suitable for their needs. Most 8.2 factory covers also have the strangeprotrusionat the top. Failure to apply enough preload on the bearings can have an adverse affect on gear contact patterns. For that reason,many enthusiasts are considering the 10-bolt. Here are the thin shims from the Summit crush sleeve eliminator. A Series 2 carrierwill work with 2.56 and higher gears (numerically lower) such as 2.41. 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. range. 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. Continue tightening the pinion nut to collapse the spacer and preload the bearings. Our LS swap adapter kits make it easy! Just out of curiosity,what are the 8.5 (r 65lbft & c 60lbft ?) Oct 29, 2001. LBS. If you find a rearend that uses a large spring perch like this, it is from either an X or F-Body. The rotational torque spec is between 15-19. We talked to a few of our in-house race experts about ways to make this racing season your best one yet! 1/2" T-bolts - 50 ft lbs. It is internally different from the 8.2 Chevy, but has the same external bosses and brackets. Tighten to 8 ft-lbs (10 N-m), then tighten an additional 1/3 turn to at least 37 ft-lbs (50 N-M). . Once you give everything a thorough inspection you can begin the re-assembly process. Pinion nut has no torque spec. GM 10.5" 14 Bolt: 20 to 35 in-lbs. big gear head. I have a 2001 2500 HD. Take Zach R. for instance. This will ensure that your backlash is correct without having to swap the shims. Free Shipping - Yukon Gear & Axle Crush Sleeve Eliminator Kits with qualifying orders of $99. Here's a link to when I did mine. We will safeguard your e-mail and only send content you request. Part Number. 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. ExtCab96S_Dime . That being said, it isnot recommended for use behind engines that make a serious amount ofhorsepower. RING GEAR TORQUE FOOR LBS. The easiest way to tell the difference is by looking at the brakes. 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. GM 8.6" differentials can be installed in a GM 8.5" axle with the proper conversion bearings. Read More. It first appeared in 1970 production cars as a corporate replacement for the 8.2-inch 10-bolt rearend. This will help ensure that there isn't an excess of tension on these components, which can lead to premature wear or even failure. 8-10 ft lbs: None: None: GM 12 Bolt Car: Torque: Lubricant: Thread Locker: Main Caps: OEM Housing: . If your mom is lunch, then yes, I've eaten lunch twice today. 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. Yukon Gear & Axle SK CSGM8.5 Yukon Gear & Axle Crush Sleeve Eliminator Kits | Summit Racing. As well as many other third member torque specs from Strange. 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 . 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. The most current parts and application information can always be found here on our website or by calling one of our differential parts experts. Sie Bear Caps FT. LBS; AMC 20 When changing a ring & pinion and doing final install of pinion there is no torque spec on the pinion nut itself. FORD: .020. 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. There is no way to happiness.happiness is the way. It saved me time and effort trying to crush a brand new crush sleeve. Lifted78Chevy. Talk to the experts. Step 1: To seat, torque nut to 50 (lb-ft) while . Come join the discussion about Silverados, Sierras, and other full size trucks performance, modifications, suspension, lift kits, tires, maintenance, and more! Mgrotel, nice cliff notes. I also like to put some oil on the seal surface of the yoke to avoid tearing the new pinion seal. Are all GM 10 bolts the same? This assembly featured an 8.2-inch ring gear diameter as well as 28-spline axles which provided adequate strength for these vehicles. Axle Retainer Plate Nuts: 3/8" Grade 8 - 45 ft lbs. 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. This should result in approximately 7 thousandths of an inch adjustment in terms of backlash. Save Share. 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. PINION PRELOAD NEW INCH LBS. 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. Skip to main content. The pinion nut should then be secured and tightened until there is no bearing play at all. This applies to all types of vehicles with any type of gearing system regardless of pitch or size it doesnt matter which one you change as long as you can adjust it accordingly. ALL72156. Well help you determine the correct flexplate for your Chevy engine in this buyers guide. All 8.6-inchrears have disc brakes, and 8.5-inch units have drum brakes. Race-spec ring and pinion gears for desert racing, rock bouncing, and rock . One thing often overlooked is the RTV sealant that needs to be applied to the splines (otherwise rear end grease can leak past the splines), and locktite on the new pinion nut. GM 8.5 10 bolt - 10 bolt cover with 8.5 ring gear. MOPAR: 8.75" x 1.75" pinion: .090. . We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. Thick Gears and Carrier Breaks - Thick ring and pinion gears and differential carrier breaks explained. Ford 9 inch torque specs; Gear Ratio Calculator; Order Forms. The Fora platform includes forum software by XenForo. Speedway Motors employees enjoy not only helping our customers, but also turning some wrenches in their downtime as well. Therefore when dealing with these types of sleeves it's important to make sure they are installed correctly so as not to compromise its integrity or longevity. If you are installing an axle and need to know the torque specs, it is important to first understand what torque is. The engine roars and the tires dig into the pavement as they work to move your car forward, pushing you back into your seat with tremendous force. This method works every time is done precisely as described. Unfortunately, unless you have the two units side by side, it is nearly impossible to tell them apart. We show you how to keep that old GM transmission when swapping in an LS engine. It is robust enough to withstand any punishment inflicted on it by racetrack use. 1989 GMC Suburban SLE 2500 4WD 5.7L Granny 4-speed. Good info on this site from what I've seen so far, kudos. Many times, if you locate a 10-bolt rearend, its usually a 7.5-inch unit. This one is not as easy as it sounds. How Much Hp Can Stock 5.3 Injectors Handle, What Kind Of Gas Does A Jeep Cherokee Take, Popping Noise When Accelerating And Braking. These are considered highway gears that are good for top speed, not for off-the-line performance. 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. 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. 14 bolts and 10 bolts are different, not sure about changing seals though. It is essential to ensure that the pinion flange is firmly held in place with a fixture or tool. In most cases, however, even with a straight case, a certain degree of backlash can be tolerated up to 0.005? But, did you know there is more than one style of 10-bolt rearend? The oval-shaped cover measures 8 5/16 inches by 10 9/16 inches. In this context, "hardest gear" refers to the ratio of front sprocket teeth to rear sprocket teeth - typically expressed as 4.55:1. In addition, if a crush sleeve is over-crushed during installation then it must be discarded and replaced with a new one as it will no longer be able to provide the necessary level of tension between the bearings for them to function properly. Im gonna go buy a good manual for shit like this. 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. Follow along as our employee Zach installs a GM 10 bolt rebuild kit from Motive Gear. BOP stands for Buick/Oldsmobile/Pontiac. Currie 60/70 : Torque . If youre building a street car and want to improve performance, we all know the drill.