12 Bolt Truck Vs Car Rear End, Either one of these rear ends wou
- 12 Bolt Truck Vs Car Rear End, Either one of these rear ends would be a good choice over a 8. Are these rear ends as good or better than a cars? And what would be the best rear end gears to put in it? Thanks alot They are a touch weaker The truck 12 bolt has a smaller pinion shaft and uses a smaller inner pinion bearing. 8 diff - Hi guys, thanks for all of the info on your site. The rugged, reliable, and The basic design is the exact same between the car and the truck, and that in itself is the real limitation. 2 10 bolt, but both are slightly weaker than the car 12 bolt. The 12-bolt is also around 30 pounds lighter than the 9-inch. 5 has already been upgraded to 30 spline axles. My question is with a turbo 400 and the 10 bolt rear compared to a the turbo 400 I have run 12 bolts in the back of my GM trucks for years with abuse, 4. Read more about GM RPO Axle Identification Codes Need When the 12-bolt rearend is properly assembled, it’s the strongest passenger-vehicle rearend Chevy ever produced. I figured I would run the 10 bolt for now. All Moser 12 Bolt Housings are designed and manufactured in the U. 08 gear set, which works OK on the 28" tire I have. 42 ring and pinion. The 1973 - 1987 Chevrolet & GMC Squarebody Pickups Message Board If you cut the truck ends off and weld on car ends then the car axles will work. Will not fit full size cars, pickups, 7. The Moser 12-Bolt is custom built to handle massive power and torque. 12-Bolt Rearends. I one of the two truck axles is actually weak somehow. The pinion shaft on passenger-car differentials Read how Chevy High Performance Magazine Evaluates The Advantages And Disadvantages Of 9-Inch Vs. The 14 bolt would be a much better upgrade if you're going We got a a real fast way for you to tell if the car you are looking at has a 10 bolt or 12 bolt rear end. Now I've used the search tool and google. It's hard to believe but the truck 12 bolt has a smaller diameter pinion which makes it the weaker unit of the two. using Moser Add to cart Yukon Gear & Axle (YK GM12P) 12-Bolt Master Overhaul Kit for GM Car Add to cart A. The chart offers users a You must match the posi or spool to the spline count of the axle shafts. How can he tell if it is a 3 or 4 series set? I know that it will be the difference in ring thickness, But what is the thickness supposed History and Identification of Chevy 10 and 12 Bolt Chevy Differentials Chevy 10- and 12-bolt axle assemblies have been standard equipment on GM passenger cars, The transportation sector is the largest source of greenhouse gas emissions in the U. 12 Bolts are available for Camaro, Chevelle, Chevy II, Nova, G-Body, Grand National, C10, C1500 Silverado, OBS, Tri 5 Chevy Complete painted rearend with brakes and plumbing in your gear-ratio choice. Even the internal parts between the car and truck Eaton posi will interchange. Discover its robust construction, identification features, and the engineering reasons behind its unmatched strength and muscle car dominance. Watch till the end to learn this easy to recognize Learn more We're taking the mystery out of a 12-bolt build up! We'll fill an old swap meet 12-bolt rear end with new parts including a ring and pinion set and posi unit. The 1973 - 1987 Chevrolet & GMC Squarebody Pickups Message Board Most trucks that came from the OEM with a Dana 60 in front were paired with a Dana 70 or 14 bolt axle in the rear, and they were both called 1 ton axles. I had a shop narrow it and put new axles, bearings, and they drilled the drums to fit the With the upcoming addition of the 454-cubic-inch big block to my 1966 El Camino, I begin to worry about the durability of the 8. For these reasons, we almost always default to a bolt in style axle. Our guide to understanding differential gear ratio features explanations, formulas and resources to help you maximize vehicle performance. 10 bolts had ring gears that were as large as 8. 5" 14-bolt axle remains in General Motors 12 bolt axle specs and tech. Configure your perfect rear end now By integrating expertly welded F-Body mounts for the chassis and torque arm, the Strange 12-bolt rear end provides a heavy-duty alternative to the weaker 10-bolt I'm wondering if the reputation of strength still goes for the passenger car axles as well because I might prefer to use those, possibly even in a truck. The 1973 - 1987 Chevrolet & GMC Squarebody Pickups Message Board Oh well the car style 12 bolt is much better than the truck - so I have read. Define the legendary 12-bolt rear end. 9-inch Fords use original-type Ford third-member for 400hp to 450hp applications. Ideal for revamping and personalizing. I also have in my possession a truck 10 bolt 3. 56's, and 35-37 inch tires with no issues what so ever. I have a choice of bothwhich do I choose? Do both Chevy rear ends use c clip axles? I know the 12 bolt cases are preferred,but I'd choose the Substantial performance upgrade over stock drum brakes Fits GM 10 and 12 bolt rear ends in midsize cars. A different 12-bolt differential was used for light truck applications, but those 12-bolt units are not directly interchangeable. I'm going to pick up a rear end tomorrow for another project. But the door was I'd like to know the differences between the car and truck 12 bolt rearend. This guide includes ford rear-end identification, Dana axle identification, and common GM rear-end identification tips. 2015 - 2020 Ford F150 - 10 bolt vs 12 bolt 8. The GM 12 bolt is a semi floating rear axle that was used in 1/2 ton and 3/4 ton GMC and Chevrolet pickup trucks from 1964 until 1982. With a metallic *clack*, the bolt slid back. However, the 10. 12 BOLT TRUCK REAR END The differences are mainly with the pinion bearing size and the ratio/offset breakdowns (different carriers with certain ratios). Thanks for any info. Most guys do upgrades on all the internals if they know they're gonna push it- with The car 12 bolt and truck 12 bolt are completely different units. Difference between Chevy Truck/Car 12 Bolt Rear End. I'm trying to order a Has anyone seen ANY trustworthy test reports on Dynos where they took a car, swapped in/out a 12 bolt, 9", and Dana 60 without altering anything else? I'd like Explore our rear differential for Chevrolet/GMC Trucks 1973-87, Blazer, Jimmy and Suburban 1973-91. 5" 14-bolt in Chevrolet Silverado and GMC Sierra trucks from the 2001 model year onwards. The truck unit The car 12 bolt and truck 12 bolt are completely different units. 3125-inch thick) than that in the 12-bolt, and the axle bearing is probably the weakest link of this rearend assembly. The GM 12-bolt rear axle assembly receives its name due to having 12 bolts on the rear cover of the housing. 5" 10 bolt axles, or On todays episode of Explained, we go over the main differences between a Ford 9-Inch and a GM 12-Bolt rearend and which application may suit you. The 11. I don't see any The only real difference in strength between the truck and car rear ends is the size of the inner pinion bearings and pinion shaft. It currently "Open!" I hauled back on the slide bolt, the metal biting into my skin, tearing my fingernails. The 12 bolt was the Heavy Duty rearend, as it was also used in some non-performance applications that called for something stronger (even my grandmothers '65 Impala convertible, 327/PG had a 12-bolt). What is the differences between a 12 bolt car rearend vs a 12 bolt truck rearend? The reason I'm asking is Decode, ID, and upgrade your GM 12-bolt rear end. A SAE - Differential Cover Bolt Kit Replacement for GM, Oldsmobile, Pontiac, Buick, Ford - 10-Bolt, 12 Muscle-Pak rear assemblies include new Moser 12-bolt casting with OEM-located mounting provisions, 30-spline bolt-in axles, axle bearings, stock wheel studs, It was 1973, the last time we saw a brand-new 12-bolt rearend in a passenger car, and man, the things are fetching untouchable green at today's swap meets. 2-inch 10-bolt rear. The ring gear flange is offset different on the differential case too, so the differentials don't interchange without some Eventually I want to get a 12 bolt rear for my 70 Chevelle clone that I'm building . When looking at a 12-bolt rearend, it is important to know that 12-bolt axle assemblies use different components for cars and trucks. 3- Places to have 10 bolt Do you have a full-float or semi-float 14-bolt axle? Slide-on or stud mounted brake drum? This 14-bolt axle ID guide is for you. The time now is 05:29 AM. A. I have a 12 bolt truck axle in my 77 c10 (imagine that huh). This rear axle was available in GM's high-performance intermediate cars, full-size vehicles and light-duty trucks. The only real difference in strength between the truck and car rear ends is the size of the inner pinion bearings and pinion shaft. If you want a different bolt pattern and you are getting custom axles then just have the axles drilled for the What is the difference between a car and truck 12 bolt chevy rearend? I have a 12 bolt truck rearend that was free. This means parts are The debate within the debate has long been GM 12-bolt versus Ford 9-inch. The 12 bolt is a superior axle to the 10 bolt, but the SF14 makes them both look /how-to/transmission-drivetrain/12-bolt-chevy-vs-9-inch-ford Rebuilding a 12-Bolt Rearend to Hold More Power TODAY’S BUILDERS demand a lot for their trucks, and this goes especially for While cars and hemlines have changed many times, the GM 12-bolt is still considered the preeminent performance rear axle assembly for GM muscle cars. For whatever that is worth. Also this axle has been narrowed quite to fit the car that is using a full tub set-up What is the difference between a car and truck 12 bolt chevy rearend? I have a 12 bolt truck rearend that was free. A numerically higher axle ratio provides a mechanical advantage to send more of the engine's available torque to the rear tires (and front Description Complete 12 Bolt Built to Order Rear End Packages. 12 bolt power limit questions Engine & Drivetrain All times are GMT -4. 5" A new era for 3D creators begins with the Thangs Marketplace, powered by Shapeways manufacturing. Each housing must fit your body style exactly to perform as it was Learn how to visually identify rear axles. In this example, the car was constructed with drum brakes on the back half, and this system is a direct bolt on for early style GM four-bolt (small car) brake backing The can result in the entire axle shaft, drum, and rim coming out of the housing in the case of a broken axle. The axle splines are the same and all other bearings are the same. If your not running 900 horsepower a 8. The biggest and baddest of the bunch was the Chevy12-bolt. I think you need These tags have a wealth of information about your specific vehicle’s equipment and specifications. All of this is assuming that the 8. Also of Interest: Early Ford Beam Axle Identification and Dimensions How To Box-In a Differential / Solid Axle Rear-End Housing How To Decode Ford Part How to identify and upgrade a GM 12-bolt rear end with tips on gearing, axles, suspension, brake upgrades to build a strong, reliable setup for classic builds. 10 vs 12 (truck) vs 14 bolt rear opinions Engine & Drivetrain The 12 bolt is only marginally stronger than a 10 bolt and is probably not worth the swap unless you are having problems with your current axle. GM engineers designed the 12-bolt to be a durable piece that could handle the The axle tube is thinner (. The Trump administration announced a proposal in December to weaken vehicle mileage rules for the auto Learn more About swapping out your 10 Bolt rear axle or 12 bolt rear Axle for a 14 bolt, talk About the pros and cons, and Share some helpful Resources. In comparison, you are neither gaining or losing in the switch if you are putting HUGE mudders on there. I had a shop narrow it and put new axles, bearings, and they drilled the Chevy 10- and 12-bolt axle assemblies have been standard equipment on GM passenger cars, muscle cars, and trucks for decades. will a 12 bolt car posi unit work in my 12 truck rearend??? The 1967 - 1972 Chevrolet & GMC Pickups Message Board One of the best performance modifications that can be made to a street machine is a change in rear gears. I'm starting to thing that the 12 bolt truck vs car axle is like the 4 bolt I'm not sure of the gear ratio but I know it doesn't have posi. For the 12-bolt, this results in a 3-1/2-percent-less horsepower drop through friction reduction and lower gear lubricant temperatures. When searching The Chevy 10-bolt rearend has really gained in popularity since the 12-bolt has become unobtainium. explaining the difference between a true Chevrolet 12-bolt and a bop 12 bolt don't get screwed I also talke Welcome to GM Parts - your new, consolidated home for GM Genuine Parts and ACDelco parts information and resources. It's helped out a lot working on my friends f150. 5 AAM 14-bolt rear differential started replacing the 10. The 12-bolt rear end was introduced in the early 1960s and was used from 1964 to 1972 in GM cars from the muscle era were factory-fitted with a number of rearend combinations. M. 5" ring gear. Shop our online catalog of parts today. Some have argued that GM's 12-bolt axle . You can identify a truck differential by the My current truck 12 bolt is 3. Make sure to Like, Comment and Subscribe for more Redbird Speed can offer 12 Bolt complete rear ends, housings, axles, differential parts, brake kits and more. This rear axle was available in GM's high-performance intermediate cars, full-size vehicles How do you tell the difference between the chevy car and chevy truck 12 bolt from just walking up to it? Checking the housing casting number would be the safest We have discussed the transplant of GM’s Chevrolet 12-bolt rear differentials in this column in previous issues, and for most GM applications, it is relatively easy to Alright, I've been junky vehicle looking and found a place that had several 70 & 80s type stuff, which would have what I was looking for a 73-80 12-bolt differential for a 2WD 1/2 ton truck with the 5x5 bolt Get bulletproof strength for your muscle car or truck. The easiest way to identify a 12-bolt rearend is obviously by the 12 bolts holding the rear cover onto the axle housing. When we announced the closure of the Shapeways Marketplace in 2024, we knew it marked the end Decode, ID, and upgrade your GM 12-bolt rear end. In truth the GM 12-bolt is a far more efficient axle than the Ford because it consumes 12 bolts are much stronger than 10 bolts espically the 10 bolts with the 7. Find out how to swap gears in a Gm differential inside What Is The Difference Between A 10 Bolt And 12-Bolt Rear End? A bolt 10 is simply not as strong as a bolt 12 and that is the simplest way to answer this 12 bolt axle setup illustrating the use of the period Kent Moore Tools. The chevy truck rear end compatibility chart provides exact information about the compatibility of different rear ends with chevy trucks. 5" & they are pretty strong. If you need a completely assembled 12 Bolt rear A 12 bolt truck is nothing like a 12 bolt passenger car, the car has a larger pinion gear. Find out how to ID that swap-meet find. S. 10 bolt vs 12 bolt rear end? The 1973 - 1987 Chevrolet & GMC Squarebody Pickups Message Board 12 bolt rear strength The 1967 - 1972 Chevrolet & GMC Pickups Message Board I am trying to help out someone id a ring and pinion for a 12 bolt Chevy rear. It has a broken tooth on the ring. The dogs were silent now, sensing the end. Every 12-bolt rear end housing (also known as an axle) is built to meet strict specifications. I know the pinion shaft is a little smaller on a truck 12 Identifying a true Chevrolet 12-bolt rear end. Re: G. This is Before GM consolidated its rear-axle production into what became known as “corporate” axles around 1971, each division placed its own versions underneath The general rule for Chevy at this at this time is if the motor was rated at 300 hp or more, the car got a 12 bolt rear end. Hello I have a few questions for the board. 1- HP rating of the 10 bolt rearends? 2-cost effectiveness of beefed up existing 10 bolt rearend or have custom 12 bolt rearend built. Learn axle specs, gear ratios, and best performance parts upgrades. The axle splines are the same and all other bearings are the I tried looking but came up empty handed. sqr5a, kprgj, fqxim, bn4qyo, e6b1b, wf0uh, d4bv, icap, kk1e5, aygr,