Calapooia River Rockhounding, Articles P

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. 8-11 in/lbs for broken in bearings is acceptable. This process helps increase longevity of both the pinion gear and its tapered bearings while also providing optimal performance from both components at all times. Shop Differential Pinion Bearing Spacers and Sleeves at Summit Racing. 4.replace seal. . Part Number. If you installed a new seal, add 1 or 2 in-oz. Rotate the pinion when tightening the nut to seat the bearings evenly. 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. Ring gear bolts. 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. That is theimpetus for why we decided to put this swap meet/junkyard identification guide together. 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. We look forward to serving you! This is especially true when it comes to cycling. Many times when you are rebuilding an existing rear end you want to save the original pinion bearing shim and re use it under the new bearing. 5 - 8 : Ring Gear Bolt Torque (Foot lbs) 120 : Bearing Cap Torque (Foot lbs) 135 : Pinion Nut Torque: Tighten as necessary to obtain correct preload: Pinion Bearing Retainer Torque (Foot lbs) :65 : . Follow along as Zach works over the old 10 bolt and brings it back to life. Ring gear bolt torque: 110 ft*lb. If you find a rearend that uses a large spring perch like this, it is from either an X or F-Body. Either way, the nut should be tightened to produce 24-32-in-lb of torque to turn the pinion . 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. However, the gears will not interchange with a Chevy 8.2. 7/16" x all lengths 60-65 ft lb. Over 6,000 Automotive Torque Specs. At West Coast Differentials we are committed to making your experience with us totally enjoyable. 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! There are other 14b axles out there - a 9.5" ring gear semi-float for one, and even a 11.5 . Come join the discussion about performance, lift kits, wheels, tires, modifications, troubleshooting, maintenance, and more! 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. Find the torque thats on it before hand and tighten it down to that afterwards. Save Share. The following are recommended Differential Set-Up Specifications for various differentials. on old bearings. 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. The LS swap is no doubt still going strong, but if youre planning to run an automatic behind your 4.8, 5.3, or 6.0L LS-powered ride, youll need to pay attention to a few items we discuss in this buyers guide. 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. Once you give everything a thorough inspection you can begin the re-assembly process. 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. Thanks Mike, Id appreciate it. 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 . The control arm-mounting ears on top of this 7.5 rearend denotes it is usable for any 1978-88 GM A or G-body intermediate like a Cutlass, Monte Carlo, El Camino, Malibu, Regal, or Grand Prix. Ring and Pinion Gear Tooth Patterns - Gear tooth pattern setup and adjustement instructions. 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. You can feel the power of all that torque in your bones as it propels the car forward even faster than before. The OEM pinion nut is 1 1/4 inches. 8-Inch Ford Rear End Torque Specifications. Doing a gear ratio change but not sure what you want? The "feel" people are way more experienced that you or I so the top one is re-commended. Bearing Cap Torque (Foot Lbs.) A higher engine power combined with more torque enables cars to accelerate faster while using less fuel - making it much more efficient and cost-effective in the long run. The easiest way to tell the difference is by looking at the brakes. You can use this instead of the crush sleeve. 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. The first is to use a crush collar; this involves applying pressure between the yoke and cup until it reaches the desired depth. Ultimately, both engine power and torque play important roles in determining a cars performance capability as well as its overall efficiency. Yukon Gear & Axle SK CSGM8.5 Yukon Gear & Axle Crush Sleeve Eliminator Kits | Summit Racing. When compressing the crush sleeve, many guys use an impact wrench and end up crushing it too far, ruining the sleeve. Have a seal puller if possible, makes getting the old one out a lot easier. The distance between thebottom center bolt in the cover and its adjacent bolts is 3 1/4 inches. When the preload of the pinion bearings is incorrectly adjusted, it can have serious consequences. This method works every time is done precisely as described. (note make sure the pinion bearing is well oiled when doing this procedure.) 1989 GMC Suburban SLE 2500 4WD 5.7L Granny 4-speed. Inside, the ring-gear bolts are the same as the 8.5 corporate unit, but the pinion-shaft diameter measures 1.438 inches. Step 1: To seat, torque nut to 50 (lb-ft) while . BOP stands for Buick/Oldsmobile/Pontiac. 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. Upon initial . It also has an inner diameter of 1 . 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. The 8-inch rear axle looks very much like the popular Ford 9-inch rear axle. While backlash is a necessary component of manufacturing tolerances, it can be a significant source of problems for certain applications. This is very important, because if you go too far the crush sleeve will be ruined. if it is under twents hold the yoke with a pipe wrench and tighten just a little at at time till the torque wrench reads a constant 20 inch pounds for the revolutions. 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. 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. For that reason,many enthusiasts are considering the 10-bolt. This distance must be precise; if it is too small, the gears will bind together and cause mechanical stress which can lead to premature wear or failure. If sticky tires are used, youll quickly turn the 7.5-inch rear into a pile of unusable parts. Pinion preload (used bearings): 8 - 10 in*lb. 3/8" x all lengths 45-50 ft lb. There is an anomaly to the corporate 8.5-inch axle assembly that was used in some 1971 and 1972 Buick, Oldsmobile, a few 1969 through 1972 Pontiac vehicles, as well as the 1970 through 1972 Monte Carlo. Unfortunately, once this tension has been released the crush sleeve cannot hold it again. Unfortunately, once the tension on this type of sleeve has been released during installation it cannot be re-used since it will no longer hold the proper tension. However, when you have new gears, a new posi unit, and other variables like mixing housings with differentials you might have to try multiple shims to get a good pattern. By reducing the amount of free play between components, preloaded bearings can provide greater accuracy and quieter operation than standard ball bearings with clearances. Allstar Pinion Nut GM 7.5 8.5 ALL72156. 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. The PYN10 pinion nut has been specifically designed to fit 30 spline pinions and provide a secure fit and lasting performance. 14 bolts and 10 bolts are different, not sure about changing seals though. 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. 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. All 8.6-inchrears have disc brakes, and 8.5-inch units have drum brakes. I have a 1993 Suburban K1500. DIFF MODEL. If a bearing system is designed to have no clearance, then preloading is necessary. PINION PRELOAD NEW INCH LBS. If it takes a 1/2-inch wrench to remove it, its an 8.2. You will need a torque meter in inch-lb. 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. 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. The distance between the lower center bolt on the cover and either adjacent bolt is 3 3/4 inches. It is well known that altering the gear ratio of a vehicle, whether it be through changing the pinion or spur gear, can have a significant effect on performance. you have it pretty much. 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. 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. If too tight, the bearings become overstressed and will fail prematurely, causing a catastrophic failure of both the ring and pinion gears. The rotational torque spec is between 15-19. Thats usually proven when used in high-performance, high-horsepower applications. 3. remove yoke from splines. We have your differential parts in stock ready to ship today. With its strong construction and corrosion resistant coating, the PYN10 provides reliable performance for years to come, making it one of the best choices you can make when securing your vehicle's rear axle assembly. 2.2L FOUR CYLINDER ENGINE: Camshaft sprocket bolt 96. 2/3 drop, HP Tuned, Built 60e, 4.10s, Yukon Duragrip, etc. For a better experience, please enable JavaScript in your browser before proceeding. DANA SPICER: .035. When it comes to suspension, preload is an important factor. The amount of backlash varies depending on the quality and cost of the gearhead; more expensive precision gearheads have nearly zero backlash, while an inexpensive model may have as much as one degree or more. Axle Type Cover Bolts FT. LBS. Follow along as our employee Zach installs a GM 10 bolt rebuild kit from Motive Gear. Sometimes, you need to push yourself. 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. Currie 60/70 : Torque . There is no way to happiness.happiness is the way. For reference use at own risk. Tighten to 8 ft-lbs (10 N-m), then tighten an additional 1/3 turn to at least 37 ft-lbs (50 N-M). 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. With the carrier removed w/ new bearings pinion bearing preload should measure a rolling torque of 20-30 in/lbs. You can simulate pinion bearing preload by tightening the pinion nut until the proper amount of drag is felt with only motor oil on the pinion . It is not an uncommon sight to see a Yukon Gear Pinion Nut when it comes to automotive repairs. 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. 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. TORQUE SPECIFICATIONS. 2429 Mercantile Drive Suite A Many mechanics use an impact gun while others insist the nut should be torqued by hand. The pinion nut should also measure 1 1/8 inches, if the OEM pinion nut is still in use. Step 3: Back off 3/8-turn for automatic hubs, and just enough to free the bearing for manual hubs. It also uses a 10 5/8-inch irregular-shaped cover. 3/8" T-bolt - 30 ft lbs. GM 8.5" 10 Bolt / Ring & Pinion Gear Set w/ Master Bearing . I've put a rachet strap to the axle, hit it with a hammer prayed from the inside but it won't budge enough for the c clip to clear the spider gear. 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. 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. To do this, measure 10 thousandths of an inch on the shim and shift it accordingly. How a GM 10-Bolt Differential Goes Bad. This one is not as easy as it sounds. Thick Gears and Carrier Breaks - Thick ring and pinion gears and differential carrier breaks explained. Fords small block and big block engine families have their share of flexplate differences. 1988 C1500 Silverado, 5.7L with some go fast parts. 3.08 and numerically lower gears = 1.660-inch, 3.23 and numerically higher gears = 1.950- inch, 2.73 and numerically lower gears = 1.615-inch, 3.08 and numerically higher gears = 2.00-inch, 2.56 and numerically lower gears = 1.530-inch, 2.73 and numerically higher gears = 1.720-inch. Sometimes strength is an important factor when choosing between components, and this is true with the 10-bolt and 12-bolt rearends. When looking at the housing from the rear, an 8.5 will have two squared off chunks of casting hanging on each side near the bottom of the differential. 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. big gear head. TORQUE-TENSION REFERENCE GUIDE Printed in U.S.A. Supply Part Number: 9702365 AS 06/14 Torque Poster . Sierra Gear & Axle parts are designed and engineered to the highest quality specifications for use in street, off-road and performance environments. LBS. Axle Retainer Plate Nuts: 3/8" T-bolts - 30 ft lbs. This assembly featured an 8.2-inch ring gear diameter as well as 28-spline axles which provided adequate strength for these vehicles. One intimidating part for a lot of guys is the rear end. These are two pinion gears for the 8.5-inch 10-bolt. Axle Order Form; Floater Axle Order Form; Custom Driveshaft Order Form; . without any detrimental effects occurring. 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. Gear Ratio Finder - Find the ideal axle gear ratio for your new larger or smaller tires. Axle Retainer Plate Nuts: 3/8" Grade 8 - 45 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. 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.