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The VIN plate was riveted to a special bracket with unique 'rosette' rivets. I think 8.1 trucks just have the 10.5" axle. 1954 Chevy Truck. Or Call to speak with a DriveTrain Genius. Automotive technology. Serial numbers: H 1/2 ton, J 3/4 ton, L 1 ton, etc.
You can email Mike or Debbie. As you can see, 13 is the hypoid gear countfor the pinion and 40 is the ring gear count.
0000135644 00000 n The axle gears are a part of the differential, and are located behind the inspection cover on your axle. The large bushings at the top of the differential housing connect to the triangulated four-bar trailing arm system that the Buick used. From service and repair work to collisions, your truck has seen its fair share of tweaks, upgrades, modifications, overhauls, and general maintenance as well as minor and major repairs in its lifetime. These are complete units with new stub axles installed. Special coverage is devoted to restoring the birdcage frame and the fiberglass body. The book discusses the real-world benefits and drawbacks of doing the work yourself. 1967 - 1970 disc brakes used a separate distribution block/switch and metering valve. Several differential carriers are offered for the 10-bolt axle assemblies. It consists of a letter and three numbers, i.e., A141. After that, GM instituted the "Corporate" rear end, a 10-bolt rear end that integrated feartures of both the 10- and 12-bolt rear ends. All GM 12-bolts use C-clip–style axles. Hose End Fittings. 0000001327 00000 n 0000003576 00000 n Jump to Latest Follow 1 - 3 of 3 Posts. 0000006826 00000 n This 8.5-inch 10-bolt came from a 1971 Buick GS. This design was used in all GM rear-drive cars from 1964 through 1972. Click the button below and we will send you an exclusive deal on this book. See the Spicer Axle Identification information. These axle assemblies had bolt-in axles and were used sporadically in A-Body wagons as well. The first letter is the month of the year; A is January, B is February, and so on.
When you decode these numbers you can conclusively identify your axle. Dana design axles from 1977 thru 1980.
A variant of this axle assembly was used in 1971–1972 Buick GSs and Skylarks, Oldsmobile Cutlasses, and some 1969–1972 Pontiac Grand Prixs, as well as the 1970–1972 Monte Carlos. The first is a simple measurement illustration, so you don't wind up ordering an axle that is two inches too long, or even worse, too short. They retain the axle shafts in the event of a failure. Found inside – Page 202All U.S. and Canadian Models of Chevrolet Astro and GMC Safari Minivans. Chevy Astro, GMC Safari, 1985-87 ... Identification The rear axle identification number is located on the front , right side of the axle tube . See the Rear Axle ... The first letter identifies the chassis type and the second identifies the engine type. Information given is for GM-manufactured rear ends. These tags are typically quite beat up, twisted, and rusted over the years. A full range of pinion gears is offered for the Chevy 10- and 12-bolt axle assemblies so you are able to select the correct gear set for your vehicle, application, and setup. The casting number for a 57 NON-posi center case should be 3725899. These sizes refer to the diameter of the ring gear, and the one you use makes a big difference in the performance potential. GMC V-6 used a 3.21 Dana 44 used a standard Chevy 1310 yoke, Dana 60 used the heavy duty yoke which takes the larger 1350 yoke. Buick and Oldsmobile bolt-in axles mount at the bearing flanges on the housing ends. The axle identification tag is located at about the 3 o’clock position under the third-member mounting nut when you are looking straight at the front of the axle. GM 1500 Trucks - 3.42 & 3.73 gear ratios NEW See page 14 for more details. Rene. No CHEVROLET emblems on hood side. Chevrolet has the newly introduced cross type “bull nose” grille. 0000113263 00000 n However, the 8.5- and 8.6-inch 10-bolts are extremely stout and effective rear differentials that can transmit up to 1,000 hp to the rear wheels. 0000393872 00000 n All Chevrolet rear ends can be identified by comparing the gasket shape to an identification chart similar to the one found on Drivetrain's differential identification page (see References). Oct 16, 2016 - Get your trucks wheels spinning and ready for any adventure with a high performing diff. 14 Bolt Axle Identification Chart October 26, 2018 If you’re wondering which 14 bolt axle you have – full-float or semi-float, dual rear wheel or single rear wheel, slide-on drum or stud mounted drum – the chart below will help you figure it out. Chevy Rear End Parts. The axle may be over or under the leaf, depending on the application. (L). 12 Results. A rear end of a car is the combination of the rear axle and differential gears located at the rear of the vehicle encased in either a cast-iron or aluminum housing. After working as a reporter in Oregon, he is now based back home in New Haven. Inside the 8.2, the ring gear bolts have 9/16-inch socket heads with 3/8-24 threads.
Differential Identification and Axle Measurement. The Chevrolet S-10 pickup truck, one of the first compact models manufactured by a domestic auto maker, was equipped with three different rear-differentials, or rear ends. Serial numbers: H 1/2 ton, J 3/4 ton, L 1 ton, etc. This number is stamped on the forward facing passenger side axle tube (on 2nd generation) and forward facing drivers side axle tube (on 3rd gen) camaros. E is eaton posi. This book covers everything you need to know about selecting the most desirable gear ratio, rebuilding differentials and other driveline components, and most importantly, matching the correct driveline components to engine power output. Find 1957 CHEVROLET Differential & Rear-End Components and get Free Shipping on Orders Over $99 at Summit Racing! It has bolt in axles. The identification code should be stamped on the bottom or font of right axle tube either adjacent to the carrier housing or about 8" - 10" inboard from the backing plates. D-shaped exhaust ports decrease the flow differential between the floor and the roof of the exhaust ports, and they help to combat reversion. The distance between the lower center cover bolt and its adjacent bolts is 31/4 inches.
General Motors installed different axles for different applications. 0000001664 00000 n
These are very high gears, good for top speed, not for off-the-line performance. For performance vehicles, the 8.2 can typically handle up to 400 hp with street tires, but that’s the limit for this axle. From 1972-on, General Motors installed its 10-bolt in cars and it remained an option for trucks until 1987.
Identify your GMC or Chevrolet rear end gear ratio by the RPO Codes, usually located … Here at National Differential, we carry a huge selection of Chevy rear diffs for your truck, SUV, or van. The 8.2 was phased out starting in 1971; it was replaced by the 8.5-inch “corporate” 10-bolt, and was installed in everything from Camaros and Chevelles until the mid-1980s. The back cover of the casing has 12 screws specifically.
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If installed on a 400-hp or stronger engine, it often fails. The 2-Series is by far the most common. 0000267782 00000 n 0000365721 00000 n 1985 to 1989: 7.625 inch ring gear, 26 spline axle. Chevy Differentials. In some cases, the RPO has become so identifiable to a specific vehicle that the code has become a part of the vehicle’s model name: Camaro Z28, Silverado Z71, Corvette Z06, Corvette ZR1. DANA 28 The alloy-case Dana 28, with a 6 5/8-inch-diameter ring gear, came in Bronco IIS and Rangers with anything
To remove the C-clip, you push the axle in to allow room to snag the C-clip with a pick. Take a look at our selection of remanufactured Chevy rear differentials for sale, or if you don’t see the one you need, give us a call! Rear Axle Assembly Codes. The key to identifying the 8.2 is the shape of the housing and the spacing between the lower bolts on the cover. Factory differential cover oil drain plug may need to be shortened by approximately 1/8” to maintain clearance with the differential. Need your help please. Trucks have a smaller inner pinion shaft (1.438 inches versus 1.675 inches) and bearing, and the pinion rides lower on the ring gear. The oval-shaped cover measures 85/16 inches by 109/16 inches. The tooth count is stamped on the head of each pinion for both the pinion and the ring gear. The 8.5- and 8.6-inch provide superior performance and have a larger ring and pinion gear surface to handle high horsepower. Need your help please. Axle Identification Chart. A '59 Posi will be the Spicer 45, same axle found under the GMC. These Danas are indistinguishable in appearance.
The half-leaf spring (left) serves as an overload spring for heavy loads or trailering. The differential installed depends on the intended application; standard passenger or high-performance trucks tend to have a wider range of rear-end variety than passenger cars. The military Model 25 has a thick, cast cover, while the 27 and civilian-model 25s have a thinner cover, will accept taller gears, and backed V-6s. FAB Quest Automotive Calculators and Charts: Axle Identification Chart by Cover or 3rd Member Bolt Configuration. 78 0 obj<>stream The car versions were in production from 1971 to 1987. Code: 075820. The rear axle is final component of the drivetrain to be covered on this page. The 1962-63 serial numbers are located on the front, right side of the differential carrier. However, the smaller 10-bolt unfairly gained the reputation as a weak and inadequate rear end for high-performance applications. The case has a similar pair of lugs at the base of the center of the housing, which are located at 5 and 7 o’clock. Found inside – Page 63... in Co-operator - Differential identification by Bob Palma in 5/1975 24 Co-operator - Differential interchange by ... Engine: Misfiring by Dwain Grindinger in Co-operator - Engine: Mount for Chevy 327 by Dwain Grindinger 2/1988 40 in ... Found inside – Page 10Chevy S-10 Blazer Gmc S-15 Jimmy Olds Bravada, 1982-91 Dean F. Morgantini. MOOTT TAANSMISSION IDENTIFICATION NUMAR ТР ... CSKC103N AXLE DAY SHIFT CODE BUILT MAG 2.8L Engine The engine identification code is stamped in 2 places . G2 Differential Cover Do you have an Axle Tag Number or Axle Tube Stamp? Please filter the Differential results by choosing a vehicle. The gear ratio codes are located on the front passenger side of the differential as shown in the illustration below. First year for blue and silver ID door post plate. The military Model 25 has a thick, cast cover, while the 27 and civilian-model 25s have a thinner cover, will accept taller gears, and backed V-6s. 1958-1970 Chevy Rear Differential code Identification Using the charts below, you will be able to learn alot about the rear differential in your classic full size Chevy. Order online, on the phone, or at our Independence, MO location 816-833-1913 1508 East 23rd Street S Independence, Missouri 64055 Monday-Friday: 8:30AM-5PM endstream endobj 76 0 obj<. Nasty comments about my web page so far? A rear end of a car is the combination of the rear axle and differential gears located at the rear of the vehicle encased in either a cast-iron or aluminum housing. 0000292760 00000 n Just as all people have a past, so, too, does your Chevy Silverado 1500. 888-842-0023. For example, a 12-bolt axle that was built on March 28, 1967, is C287. Universal Application Strange GM 12 Bolt Housing - Includes axle tubes (no ends or mounts) $775.00 Part Number: STRG-H12F Universal application Has torque arm provisions and includes axle tubes (no housing ends or mounts) Custom widths available at no additional charge Works with MillerBuilt "Weld-On" Hybrid Floater Kit Part# CS-HFK-WOS Suspension Mounts & Hybrid Floater …
Chevy Rear Differentials: Call Us for a Free, No Obligation Price-Quote Today! The outer cover matches; 10 bolts hold the cover onto the housing. To help you identify the 8.2-inch housing, remember that it may have an irregular-shaped cover or a round cover, but it does not have lugs as on the 8.5-inch. Gears are also “coded” with their teeth count; dividing the number of ring gear teeth by the number of the pinion gear teeth yields the ratio. F=Assembly Plant Flint 05=Assembled May 12=Assembled 12th Day of Month Please select a rear end that matches your vehicle below. In 1964, the axle code was stamped on the front, right side of the differential carrier housing.
Just as all people have a past, so, too, does your Chevy Silverado 1500. Considering the challenges of the typical 12-bolt swap for most muscle cars, when the 10-bolt units are often a bolt-in swap, the 8.5 10-bolt starts to look really good. The tooth count is stamped on the head of each pinion for both the pinion and the ring gear. See VIN plate examples here. (Photo Courtesy Moser Engineering). The tag number is ordered as year, month and day with the month of manufacture following the format of A for January, B for February, C for March and so on. A Ford tag number will appear something like 12D04 which signifies April 4, 2012, which makes Ford rear end identification much simpler. Identify by Differential Cover Shape This article applies to the Chevrolet Silverado 1500 (1999-present). All Chevrolet rear ends can be identified by comparing the gasket shape to an identification chart similar to the one found on Drivetrain's differential identification page (see References). Please select a rear end that matches your vehicle below. 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, muscle cars, and trucks for decades. Truck 12-bolts have an irregular cover with a ring gear pocket. <<63caad742e804246a9f5f8cc3cc94cec>]>> 1939 Chevy Car Parts | Chevs of the 40s has the most complete inventory of 1939 Chevy restoration parts and 1939 Chevy street rod parts. The 62-64 casting number for the posi center case changed to 3789812. The identification process begins with locating the factory rear-end tag and then using visual methods. Found inside – Page 149BY PAUL STENQUIST E very time your late-model GM car starts immediately, idles trols, from the Delco electronics division, are among the most advanced in the industry. Introduced in 1981, the GM system gathers information from a ... The Muncie 4-speeds, M20, M21, and M22 are some of the most popular manual transmissions ever made and continue to be incredibly popular. If you are serious about restoring your 1955-1959 Chevy automobile, and want all casting numbers to match, Chevrolet by the Numbers: 1955-1959 is the guide you'll need at your fingertips. Sometimes the shift code is stamped, and if the unit has a Posi-Traction, you see a P stamp. Less Axle Bearings and Seals Part #C12-CBS Price $80.25 Axle Bearings and Seals only Axle Bearing #5707 / Seal #8660S Part #C12-ABS 2 each Price $40.00 Axle bearings & seals for Impala-Biscayne Axle Bearing #6408 / Seal #8835S Part #C12T-ABS 2 each Price $40.00 CHEVROLET 12-BOLT PASSENGER CAR Individual pieces also available GM 12-Bolt Axle Shafts - Torino Flange - 30-Spline - (1962-67 Chevy II) - Pair.
Prior years were black and silver. Can someone with a spare rear S10 axle take a look and see if this works? 0429K is assembled April 29th McKinnon Canada axle plant. For example: A Chevy 1/2 ton pick-up may have a Chevy 10 bolt rear axle or a 12 bolt rear axle. The passenger car 12-bolt has an oval-shaped differential cover, and it measures 1015/16 x 105/8 inches.
The above are all casting numbers for passenger cars. 0000113527 00000 n Once the C-clip has been removed, the axle slides out of the housing. Camaro Rear Axle Identification & Decoding Identify the gear ratio, the build date, the plant where it was assembled the work shift when it was assembled, and positraction source - if equipped. Notes: Beam axle only. A 2-Series carrier holds 2.56:1 and higher gears (numerically lower) such as 2.41. Axle Identification « on: January 30, 2013, 01:39:40 PM » I know that I can pop the cover off and read the ring gear, but haven't had time and the snow is … Axle Identification Chart DANA 25/27 These Danas are indistinguishable in appearance. The best way to be sure of which axle you have is by the Bill of Material Number stamped on the right hand axle tube. This article applies to the Chevrolet Silverado 1500 (1999-present). In stock form, the 8.5 can support wheel-standing launches from the turbocharged 6-cylinder. 67-72 Chevy model Identification. Found inside – Page 75To identify the engine, check the Vehicle Identification No. ... Chevrolet says that a long drive at highway speeds in hot weather can cause a limited-slip differential to chatter or make moaning sounds during tight turns. 1967 Chevrolet Model, Motor, Rear-end Identification Motor Date & Suffix # Example F0512WM. Pretty much everything on this website is copyrighted, if you want to use something, ask … For a non-posi-traction unit, this number should be 3725899. Chevy Express 2003, Differential Pinion Shaft Lock Bolt by ACDelco®. It was installed on small trucks and vans up to the 2005 model year. If the ID tag or stamp is missing or unreadable, differentials can be identified by the number of cover bolts, the distinctive shape of the cover, the number of … Although Chevrolet has used different rear end models throughout its history, all can be visually identified. If you just need to do a quick repair, you can buy Chevy differential parts separately. gines that were available, engine ID Codes that tell you which plant manufactured it and when. CHEVY CASTING NUMBERS. 2002 Chevy 2500HD 4x4 8.1/ZF6sp RC/LB 2001 Chevy 2500HD 4x4 6.0/4L85E EC/SB 1997 Chevy Blazer 4x4 1994 Chevy K-2500 4x4 C6P 5.7/4L80E 1979 Chevy K-30 4x4 4sp 4.10 1977 Chevy K-30 4x4 4sp 4.10 454 Dad of an Eagle Scout, and a Life Scout Aftermarket 12-bolt housings are based on the passenger car design.
Both of these are semi-floating axles. The 3-Series carriers are good for 2.73 and lower gears, so 3.08 and 3.73 gears work well. Many aftermarket options exist with all of the appropriate mount points. Identifying the 10-bolt axle is easy. No CHEVROLET emblems on hood side. FAB Quest Automotive Calculators and Charts: Axle Identification Chart by Cover or 3rd Member Bolt Configuration. In addition, the truck 12-bolt has an irregular shape. First year for blue and silver ID door post plate. One is the small, 7.5-inch, another is the 8.2-inch, and yet two more are the 8.5 and 8.6-inch. This is the only book dedicated solely to rebuilding, setting up, and modifying these axle assemblies for long service life and maximum performance. 0000422550 00000 n The truck 12-bolt axles are much more affordable than the car units because they are more plentiful but these units have fewer splines so they are not as strong as the axle in the car assemblies. 7 charactors, 2 letters followed by 5 numbers. D = Dana Positraction Differential E = Eaton Positraction Differential G = Chevrolet G&A Positraction Carrier O = Oldsmobile Positraction Carrier W = Warren/Warner Motive Positraction Casting Numbers Due to the possible confusion with gear ratio descriptions... a … These rear axle assemblies can handle up to 400 hp. $3,500. The 10-bolt differential cover is located on the rear of the axle and is an 11-inch x 10.25-inch oval.
I have a 1955 Chevy Bel Air and I have been unable to identify the rear end in it.
There are numbers for axle ID Tags, casting numbers for heads, intakes, distributors, radiators and more, as well as a schematic showing you where to find the ID Tag locations on the body, engine, trans, rear axle and where the VIN Number is stamped The four bolts that hold the drum back plate on also retain the flange. The casting numbers for 10-bolt rear differentials are typically located either on the forward side of the passenger-side axle tube or on the driver’s side.
What can be found on the axle housing is the stamped axle code with assembly date, housing casting number and date housing was cast.
The inspection cover is on the back of the housing, seen by looking forward under the license plate at the rear of the vehicle. All manufacturer names, symbols, and descriptions, used in our images and text are used solely for identification purposes only. Found inside – Page 323REAR AXLE Identification Two types of rear axles are used : The standard and the locking . The axle is of a semi - floating type , where the vehicle weight is carried on the axle housing . It is designed for use with an open driveline ... The most common GM unit for the 1982 to 1992 Camaro is the Saginaw style 10 bolt Chevy differential. This volume goes the extra mile toward originality specifications with a special 48-page color section highlighting the cars. "Crammed with vital data." Old Cars Weekly. Sftbd., 8" x 10 3/4", 250 pgs., 101 b&w ill., 40 color pages. The 12-bolt carriers also use the same series-specific system as do the 10-bolts; each carrier only works with certain gear sizes. USD $514.95. The two lugs on the lower case at the 5 and 7 o’clock positions are also identifying features. Jun 2, 2010 (Edited) I did a search and couldn't find a previous thread, so here's my question. RF is 3.31 12 bolt posi. The 4L60E transmission was first introduced in 1992 as an upgrade or replacement to the 700R4 transmission, also known as the 4L60 transmission.
The C-clips are not the strongest method for retaining the axle shafts; many owners convert the Chevy 10- and 12-bolt axles to a flange type, which retains the axle if it fails. 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 smaller 7.5- and 8.2-inch 10-bolt rear axles can’t transmit horsepower loads in excess of 400 hp. 1971 - '79 disc brakes used a combination valve that included a metering valve, proportioning valve, and differential pressure switch all in one housing. Pinion gears and ring gears are not interchangeable because they are designed for the specific (correct) mesh. The most noticeable difference is the reinforced cast iron differential in the Dana 61. If you liked this article you will LOVE the full book. This is a 1969 Chevelle 12-bolt housing. Chevy Truck 12 Bolt Rear end Identification. Vehicle maintenance. The rear cover’s shape and the number of bolts are identifying features for GM rear differentials. Front Axle Identification. There is some crossover on the trucks, as some earlier trucks had leaves and some later trucks had the trailing arms. General Motors has a wide range of front and rear ends! Most passenger car 12-bolts used a four-bar trailing arm mounting system, with the exception of the Camaro and Nova, which used leaf springs. Our goal at National Differential is to ensure that you receive only the highest grade remanufactured Chevrolet differentials available at the best possible price. Please note that the Ford 8 Inch and 9 Inch images are of the 3rd member or carrier where it bolts to the front (engine facing side) of the axle since neither of these differentials have a removable access cover. 100 Series Hose Ends; 200 Series PTFE Hose Ends; 400 Series Push Lock Hose Ends; 500 Series Cutter Style Hose Ends; 510 Series Full Flow Push Lock Hose Ends Note that this axle has been converted to disc brakes. According to Chevy High Performance, the 7.5-inch was standard until 1993, when the previously optional 7.625-inch became standard. (Accurate identification using the GM RPO code assumes that the rear end has not been previously modified) The prefix is usually F, G or H when referring to Axle Identification. It is located at the base of the housing, on a flat surface facing upwards. This means that in the event of an axle break, the wheel stays on the car. Big-block Chevelles, Camaros, and other GM high-performance vehicles were fitted with the 12-bolt limited-slip axle to maximize torque transfer and traction. 0000002246 00000 n They used an independent rear suspension with transverse leaf springs. Comments? Ring and pinion gear is 2:65 I … Affordable performance is what the 8.5 is all about. 0000003836 00000 n Basic U-Joint Series Identification made easy. "Covers all major systems & components"--Cover. Gears of all sizes, limited-slip or Posi-Traction, lockers, and spools are offered. This example is a 1967 Chevy C10. It remained in the 1/2-ton trucks until 1999, when the 8.6 replaced it, using the same basic design. 0000333015 00000 n
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2021年11月30日
