57 chevy differential specs This All Chevrolet (USA) Bel Air 2-Door Sedan versions offered for the year 1957 with complete specs, performance and technical data in the catalogue of cars loan, sell, assign, distribute, perform, display, license, reverse engineer or create derivative works based on the Site or any Content available through the Site. 75 1962-1964 Chevy II/Nova 57. The 10-bolt differential fits all passenger cars. Both have been rebuilt and currently perform well. The gear ratio codes are located on the front passenger side of the differential as shown in the 1955-1964 Chevy Impala Rear End 3rd Member Posi Differential is an original GM part. Violations of copyright As I look at the "color spec sheet" guide that David (557B210) has posted up a couple times, it says as follows: Sometime in the earlier part of the 57 model year, the differential case was black, like the rest of the axle housing Thought this might help you with your 55-57 chevy. S. Transmission and DriveLine Questions. The above are all casting numbers for passenger cars. 6-lugs all the way around. For now, the Chevy comes first. 55-56-57 Differential gear ratio recommendation. See less See more Save Share Reply Quote Like. Filter by Availability Axle Assembly, 55-57 Chevy B-Body, Rear, Centurion 9-inch, 31-Spline, 5 x 4. If you are used to seeing 10 bolts or 12 bolts on the back of the differential, you are referring to a later, mid-60's to early 70's diff. The 10-bolt differential First thing, are you absolutely certain it's a 57? 55-56 had weaker third member CASES, THINNER GEARS, and LIGHTER WEIGHT/PURPOSE BEARINGS. Location: Main Index » Forum Index » 55-57 Central » 1955-1957 Chevys (Stock / restored / show) Differential Housing Torque Specs 11-30-02 03:47 PM - Post# 55602 In response to The center hole varies in size, thoughso not all wheels are interchangeable. 3L Motor Mount to Engine Torque Specs : 37 ft-lbs Chevy Silverado 1500 5. 63: 5-speed Spicer 3153 5-speed Clark 264VO : 37. There are special P cases that are made to clear the Positive Traction differential that was used in some of these 1955 CHEVROLET Differential & Rear-End Components. ironhead49 , Jul 2, 2010 The casting number for a 57 NON-posi center case should be 3725899. All Chevrolet (USA) Bel Air Sport Coupe versions offered for the year 1957 with complete specs, performance and technical data in the catalogue of cars. www. 5 in Rear Track : 61. Bob A web based calculator to help you pick the right size tires, wheels, rear end, gear ratio and transmission for your 55-57 Chevrolet Bill 1957-427-177-6-410 This 1955-1956-1957-1958-1959-1960-1961-1962-1963-1964 Chevrolet 3. 1957 chevy rear gear ratio. 57 Chevy 210 4-door sedan 1962 327/340HP Corvette 1961 Willys CJ3B Jeep 2001 Porsche Boxster S 2003 Chevy Silverado Then in 57, because more ratios became available, the round tags had portions removed from the tag to identify what ratio the gears were, as below. Find 1957 CHEVROLET BEL AIR Differential & Rear-End Components and get Free Shipping use the search bar Go up to the search tab, just under the login bar type in inch ford, or ford swap or rear end swap. The 57 Chevy I am restoring may be using one of these if I can figure out what the differentials are and which would be best for a daily driver. Username Post: Keith's 55-57 manuals (UPDATED) (Topic#156886) Smokey Senior Site Adminstrator Posts: 17447 Age: 76 Loc: "Small town USA" Reg: 12-06-99 A fairly simple mechanical device is used in many different applications to transfer rotational forces. Chevrolet coined the word "Posi-traction" for "Positive Traction. Check out why, along with Chevy Forums FREE technical assistance for your restoration and repair. The first (and I'm assuming original) rear axle differential assembly was in the dump bed when I purchased the truck. I'm getting about . " Thismeant both All Chevrolet (USA) Nomad Wagon versions offered for the year 1957 with complete specs, performance and technical data in the catalogue of cars. 2" Rear - Posi Differential Carrier Description Package Includes: (1) Limited Slip Positraction Carrier - *Note: A factory thin ring gear was used on 1955-1956 carriers with ribs on the back of the ring gear side. 3) , model year 1957, version for North America U. 73's Dan's '55 Big Window "Build" - Well, Kinda! '56 Chevy Long Bed I6, 4 speed Bought 1990 Sold 8. Check out Patrick's antique autos. Here is a 55-56 style case with a posi already installed. Re: 57 Belair rear end ratio 11-19-03 08:56 AM - Post# 339376 In response to OldCarPilot Welcome to CT. 75: 1965-1967: Chevrolet: Chevy II/Nova: 58: 1978-1988: Chevrolet: Differential Identification Chart; Hot Rod Tech, Reference and Specs How To Build a Hot Rod on a Back in the olden days, when 55-57 rears were as common as dirt, we used to swap 57 housings into 55-6 Chevys, mainly to get the bigger bearings, and the drain plug was a nice plus. 25 1983-2004 Chevy S10 2WD, GMC S15 2WD 57. by Trifive Library 55-56-57 Chevy Factory Specs. 55:1. Right Rear Side: GM2 67890 12345 Left Rear Side: 51 K158 All times are (GMT -0800) Pacific. These last two casting numbers will be the same for 58-61. Currie 9-inch Performance Rearends for 1955 thru 1957 Chevy Tri-5 (150, 210, Bel Air and Delray) B-body vehicles, are complete ready to bolt-in assemblies with a choice of popular differential type, gear ratio, and brake options, making Was the 1957 Chevrolet Bel Air expensive? What was the fuel economy of the 1957 Chevrolet Bel Air? Q: What is the wheelbase size of the 1957 Chevrolet Bel Air? A: The 1957 Chevrolet Bel Air has wheelbase sizes of 115. 0 out of 5 stars. onebahoo56 , Jul 2, 2013 Chevrolet Bel Air 4-Door Sport Sedan 235 Blue-Flame (man. 0% of 100. The '55 version was the weakest, but the case was strengthened around '57. It alters how the vehicle negotiates turns as opposed to having Front End Alignment Specs for 1955 - 57 Chevy 605/670/CPP-500 P/S Stock Steering and Rack & Pinion Caster Degrees +1/2° to +1 1/2° Caster Degrees: Passenger’s Side +3 1/2° Title: specs Created Date: 20200903024527Z 55-56-57 Chevy Forum. 50 1964-1967 Chevelle Could anyone tell me what the torque spec. 00 inches 1974 Maverick 8" 56. 5. 3L Motor Mount to Frame Torque Specs : 59 ft-lbs Chevy Silverado 1500 5. Jump to Latest 20K views 6 look at your differential on the left side (if you are facing the back of the car) you will see two digits and 4 numbers (at least on the 57 you will see those #) take that code to your restore chevy book and it will tell you. Q: What tires did the 1957 Chevrolet Series 3200 have? A: The 1957 Chevrolet Series 3200 had 6. 1957 FYI, original specs on the 57 Chevy are Front Track : 60. 9" Diff for 1955, 1956 or 1957 Chevrolet - Castlemaine Rod Shop. My '57 factory service manual does not have any torque specs for the fill plug or drain bolt. The teeth numbers for the ring and pinion gears were stamped, and in time they could become faded and no longer visible. Come join the discussion about restoration, engine swaps, reviews, performance, modifications, classifieds, troubleshooting, maintenance, and more! overhaul differential on 57 chevy. In a car, the differential maintains drivability in varying conditions. 36:1. Save Share Reply Quote Like. acardon. 3L Power Steering Pump Torque Specs : 18 ft-lbs Chevy According to Classic Chevy's Judging Guidlines Manual, Code AB on a 57 rear end is a 3. need to completely overhaul a stock original 4;11 differential for a 57 My 57 chevy 2dr HT has a 454 big block and 700R4 trans. Jump to Latest 13K views 5 all the specifications for the rear axle frame dimensions from perch to perch. Reason is a different oil is required for a POSI>>>>> Dive into the differences between GM 10-Bolt rear end specs, rear axle identification codes, and rebuild tips. ('57 had a 3. The 1955-1956 open 55-56-57 Chevy Forum. 70 x A forum community dedicated to 1955, 1956, and 1957 Chevy owners and enthusiasts. Car Tech SA310 How-To Rebuild Chevy Differentials Book,10/12-Bolt. There may also be a little brass tab on the rearend where the Pumpkin bolts to the rearend housing. 2bbl heads 3731554 powerpack heads 3731539 and the 3740997 I was reading through my 57 shop manual Although the GL-5 gear lubes have superior lubrication properties compared to GL-4 gear oil, they also contains sulfur compounds that can corrode brass components used in older transmissions, including the 55-57 Chevrolet transmissions. 55. Jared57chevy Discussion starter. Stock Chevy Discussion 55-56-57. 8 rearend w/3. Jump to Latest 198 views 1 reply 2 participants last post by 53burb Feb 20, 2025. 274 posts 1. 39 Powermatic : 38. 68. 00 1967-1969 Camaro 60. 30670 posts They only put dipsticks in the differential for Aussie The conversion that was done in this article is on a 57 center section which eventually is going into a customer s 52 Chevy with a 57 passenger car axle housing. Super Stock/Pro Street & Modified Disc. TheHotrodHandyman. (up to October): manufactured by Chevrolet (USA) in United States ; 4-door sedan body type; RWD (rear-wheel drive), manual 3-speed gearbox 1958-1970 Full size Chevy rear differential identification chart. Part Number: TMK-LM603049. Model specific subject matter experts, classified ads and more. Product Line. So if you have a 3. stock rear end gear ratios. '57 CHEVY ENGINE SPECS. Includes performance data, fuel economy, dimensions, engine details, and more. The 57 Chevy Black Widow factory race cars had truck rear ends and front spindles. 50 inches Although the traditional '55-57 Chevrolet rear axle housing was popular for many decades, the more modern Strange Engineering S60 rearend is now the new standard. 32 55-56-57 Chevy Forum. We have inspected the 55-56-57 Chevy Forum. 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. Transmission and DriveLine Questions *Needed info on 3725899 differentials. If you are referring to Find 1957 CHEVROLET Differential & Rear-End Components and get Free Shipping on Orders Over $109 at Summit Racing! Get Spring Savings With Sale Prices on Parts You Need! The casting number is for a '55-'57 Chevy passenger car. The tabs were "cut" to indentify the ratio's. 25 inches 1967-1971 Comets, Cougars, Fairlanes 59. Jacks1955$ Aug 23, 2021; 4 2. The issue will These bolt-in rear axle packages are designed to replace the original '55-'57 Chevy rearend housing and are compatible with the stock leaf spring rear suspension found in your Tri-Five Chevy. Tags 57 chevy gear oil rear axle rear end. The rear end in your car was first produced in '55 and was used through '64 in the Chevy full size cars and the Corvette. 25 inches or 61. 55 chevy rearend dimensions. 70 and PG had a 3. 1K Aug 23, 2021. 70 as 57. . 2M views Trifive Library, 55-56-57 Chevy Factory Specs, This is a place to do your research , It is our version of a Trifive Library, We will continually ad more research data, Please ask all your . Jump to Latest 42K views I have a stock rearend out of my 1957 chevy and am trying to figure out the ratio without opening the rearend. 0 out of 5 GM 8. :anim_44: Save Share Differential Bearing, Chevy, GMC, Each. Eaton Posi Differentials. Please Report any Broken Links or Pages that do not 57 Rear axle swap The 1947 - 1959 Chevrolet & GMC Pickups Message Board Register or Log LQ4/4l85e/C4 IFS/Mustang 8. Chevrolet Single Detailed torque specifications for the Chevy Silverado 1, made from (1998-2006), and tightening torques for all of its components, including the wheels, engine, brakes, suspension, and exhaust, in both Nm and ft/lbs. 1957-1959 Ranchero and station wagon 57. Phone (03) 5472 Specifications; Reviews Description This Product is Fabricated On-Site, there is a Build Time which can range from 12 Weeks to Looking for somehelp with rear end width on a 57 gasser build. 9 litre engine is a naturally aspirated, overhead valve, 6 cylinder unit that has an Chevy Outside Width Year Model 54. 22. The casting number for a 57 posi center case is 3743833. Or, you can get 'NEW' gears to fit your stock diff. The only numbers on the case are as follows 3T25899 and G17 and 81. 99. Each. 11, sticks a 3. project is 57 chevy rear end Asked by: gazel 9" differential 28 spline 4-spring aggressive torque bias Street/strip application 1536 steel billet I have the third member pulled on my 57 Chevy car rear end and checking the backlash. 75: 1962-1964: Chevrolet: Chevy II/Nova: 57. 33 rearend. I am using a nylon washer for the differential drain bolt (same size as what I use for the engine oil drain bolt) and just going by "feel", 23 lb-ft seems to feel good. 25 inches narrowest 9" housing 1966-1977 Bronco 58 inches 5-on-5 1/2 inch diameter bolt circle 1967-1973 Torinos, Rancheros, Fairlanes 59. 3L Engine; Differential: Rear differential drain plug: 33: Partial Engine VIN derivative decoded. 6 3. 54. IF you do a search here in this website and go back 1 year you should find the info you need also. We have 10-31-07 12:30 PM - Post# 1285577 In response to greg pharr or, this might be helpful alan sizes more sizes and here's another list REAR SUSPENSION: The following is a general list of rear ends and their dimensions to help narrow the search for a possible candidate to replace the torque tube rear end or just get a better set of gears for highway driving. Setup Specs are also Adjustment Specifications: 100 : General Information : Manufacturer's Warranty: 101: Tire and Battery Warranties: 101: Load Capacity Chart Manual Added: 21 January 2007 < COVER NEXT PAGE > Owner's Manuals INDEX . The 3rd member housing has been inspected and cleaned with new ring and pinion (Elite), posi differential (Yukon Duragrip), bearings (Koyo or Timken), The rear axle differential assembly in my 1964 Chevy C60 was actually a replacement unit. Currie 9-inch rear ends are built to match the vehicle's original Hi, I am new to this site. 70, but the dealer would change to 3. The gear ratio codes are located on the front passenger side of the differential as Thus, if you install either a 55 or 56 housing in your 57, you MUST use the 55-6 axles (the 55-57 brakes and backing plates are also interchangeable) . 55 rear end center section is an original used two-pinion type with cast arma-steel housing. Low Price Guarantee! ! $13. Search automobile-catalog: loan, sell, assign, distribute, perform, display, license, reverse engineer or create derivative works based on the Site or any Content available through the Site View complete technical specifications for 1957 Chevrolet One Fifty Sedan Delivery. "Rears up through 57 only had a round disc to identify ratio (regardless of posi or non-posi) with a single hole for attachment. Estimated Ship Date: TodayLoading Estimated Ship Date: Today. The following are the numbers I found on the differential. Model Series Breakdown for 1955 to 1957 150 (1500) Series A Series Number Model Number Vehicle Description Year 1502 1211 2 door sedan 1955-1957 1503 1219 4 door The original 55-56 specs were 1/8" - 3/16" (it's in the shop manual), but Chevy put out a service bulletin mid year in 56 recommending the 1/16" - 1/8". One of the most recognized icons in the automotive industry, I have damage on the front right of my frame on my bel air and the frame guy says he needs the specs. I need to replace the differential pinion seal in my 57 Bel Air. Jump to Latest 27K Make sure your differential is an open carrier & NOT a POSI. Torque specs. 70 in 56, 57 Corvettes was the standard rearend so no tag would be used (57 Passenger didn't offer 3. But today, no more than most 55-57 Chevys are driven, and as good as the replacement bearings are, I no longer have a single concern about 55-56 axle bearings. I am going to save the original third member and started searching for a rebuilder differential. and visitor: to the Old Online Chevy Manuals. Jump to Latest 6. This recommendation was put out in the days of bias ply tires, it is I just wanted to start this discussion about all the specs for the 3 different heads on the 283's, if some of my findings are wrong please disprove me so we can get the accurate information down. Sort by Oldest first Oldest first Newest first Most reactions. The rugged, reliable, and efficient Chevy 12-bolt has established itself as the preeminent rear differential 55 - 57 Chevy Specs: [150, 210, Bel Air, Delray, Sedan Delivery, Nomad, Station Wagon, covertible]-Width: 60” wide [Wheel to Wheel] [Confirm Before you Order]-Brackets: 2” wide spring pads/perches-Specs: 46” center to center [Call for I believe the Corvette used the pointed tag for 4. Need some recommendations for rear differential gear ratio and also brake stall specs for the torque converter. 75 in. lehnerjc Discussion starter. ALL the Tri-Five 57 chevy pickup powered by Mopar. Alt #: 21-117. A 55 or 56 with that code woud be a 3. For highway cruising, I'd try to keep the RPMs around 2200 or lower if you can. 1K views 3 it’s like something is holding it inside the differential housing . I bought a whole 57 Chevy rearend last weekend! I bought a real 57 rearend brake drum to brake drum last weekend to put into Babe! It is a 1957 Chevrolet rearend with the drain plug on the very bottom and the fill plug on the back. Yukon Gear & Axle Master Overhaul Kits YK GM55CHEVY. 55-56-57 Chevy Forum. Differential. Chevy Differential Crush Sleeve, 1955-1957. 08 positraction rear end center section is an original used two-pinion type with cast arma-steel housing. Differential: Rear differential drain plug: 33: 24: Model 1500; 4. NEW POSI-TRACTION DIFFERENTIAL. View (1) Chevy Silverado 1500 5. The differential housing will have a shape that is specific to your Chevy, and it will have a number of bolts that correspond to the number of gears in Hi, to all Please can any of you tell me how to work out the ratio on my 57 chevy, it is a 210 4dr sedan which had a straight six in it but i found it was revving high at low speed it also has a stock 3 speed manual and i am A forum community dedicated to 1955, 1956, and 1957 Chevy owners and enthusiasts. I have ordered a new seal but the man at the parts store could not tell me if this is installed by removing the yolk and installing it from the out side or if I That is the transmission first gear ratio multiplied by the rearend ratio. 57 chevy pickup wheels will fit a 93 chevy w/t 4x4, but not vice versaand I've seen toyota 4x4s running 70's chevy truck rally wheels too. 25 inches 1975 Mustang II 8" 57. 0 Reviews Add Your Review . :sign0016: Q: What is the bodystyle of the 1957 Chevrolet Series 3200? A: The 1957 Chevrolet Series 3200 was a Long Box Pickup. Plan to eventually rebuild both if needed. 09 . 5 Olds rear. 57 : 54. Im thinking an eight inch wheel with a cheater slick from coker size10-15 tread width 9. The 62-64 casting number for the posi center case changed to 3789812. 00 1955-1964 Chevy Car 60. The Chevrolet One Fifty Sedan Delivery belongs to the 1500 range of cars from Chevrolet. I haven't popped any of them open yet. Transmission and DriveLine Questions * Rear axle gear oil. '57 chevy canary yellow a 327,4 speed,9. It has a 8 1/4 inch ring gear. is for the pinion nut on a 1957 Chevy car rearend? It seems like if I tighten it up to much it wants to bind a little when I try to spin it. So i looked in the 57 assembley manual for the torque specs for the rear pinioin nut, but no such luck!!! Would anybody happen to know the torque specs for a stock 57 rear end? The rear pinion seal was leaking so i changed it, and the pinion nut didnt seem tight enough for me, probably why the seal was leaking in the first place:sign0020: This 1955-1956-1957-1958-1959-1960-1961-1962-1963-1964 Chevrolet 3. 57: 5-speed Clark 267V : 43. Search automobile-catalog: loan, sell, assign, distribute, perform, display, license, reverse engineer or create derivative works based on the Site or any Content available through the Site GM / Chevy - Differential IdentificationShop by your differential. Transmission and DriveLine Questions Rear differential fluid capacity. The gear ratio codes are located on the front passenger side of the differential as shown in the 55-56-57 Chevy Forum. 012 backlash and wondering how to set it. should provide you a answer or 3 days of reading and knowledge. 11 rearend option but the 3. Any advice would be appreciated on if that is the differential for that make & model of car for future parts if needed & how I can remove that West Coast Differentials stocks a complete line of light duty axle parts for Chevrolet, Chrysler, Dana, Ford, GM, Jeep and Toyota and more! Order before 4PM and most parts ship out the SAME DAY! consult the Differential Set-Up Specifications provided in the factory service manual for the vehicle you are working on. 5 and cross section Reproduction Parts for 1916-1964 Chevrolet Passenger Cars & 1918-1987 Chevrolet & GMC Trucks The ovedrive models had a 4. 33 posts · Joined 2023 Add to quote; Only show this user #1 · Feb 18, 2025. 2020 Axle Assembly, 55-57 Chevy B-Body, Rear, Centurion 9-inch, 31-Spline, 5 x 4. 50 1968-1982 Corvette 60. Im puttingaxle over springs with heavy multi leaf. Part Number: CUR-CE-GMB5557X. The rearend is the only drive train component not rebuilt but has performed well thus far. 1956, and 1957 Chevy owners and enthusiasts. Please select a rear end that matches your vehicle below. 00 and 117. I think one with the GM 7 stamp is a 3. 1957 Chevrolet Fuel Injection V-8 Drive Test – Car Life Magazine. All rear end / differential components are stock/original. See our comprehensive vehicle overview for the 1957 Chevrolet Bel Air including production numbers, performance specs, factory colors, and OEM brochures. Yukon Gear & Axle Master Overhaul Kits YK GM55CHEVY Currie ® 9-inch rear ends for 1955 thru 1957 GM B-body vehicles provide a direct bolt-in solution for those looking to upgrade the rear end of their classic "Tri-5" Chevy build. 73 with limited slip differential . every thing. General Motors has a wide range of front and rear ends! We carry This 1955-1956-1957-1958-1959-1960-1961-1962-1963-1964 Chevrolet 3. Come join the discussion about restoration, engine swaps, reviews, performance, modifications, classifieds, troubleshooting, maintenance, and more! Chevy Forums FREE technical assistance for your restoration and repair. After 57, the tags were 2124 1011A Club Coupe (Del Ray) 1955-57 2129 1063F 2 Dr 6 Psngr Wagon 1955-57 2154 1037 2 Dr Sport Coupe 1955-57 Series # Model# Description Year Series C, Model Bel Air 2402 These are not raised numbers but rather stamped into the flat surface facing the front of the car on the differential center carrier, right side, in the 9:00 o'clock position, mid-way Using the charts below, you will be able to learn alot about the rear differential in your classic full size Chevy. Come join the discussion about restoration, engine swaps, reviews, performance, modifications, classifieds, troubleshooting, maintenance, and more! 1955-57 Tri-Five; 1967-02 Firebird; 1967-02 Trans Am; 1960-76 Mopar; 1978-87 Regal; 1964-04 Mustang; Classic Industries offers 1957 Chevrolet Truck Axle Shafts & Parts, 1957 Chevrolet Truck Differential, 1957 Chevrolet Truck Differential Covers, 1957 Chevrolet Truck Differential Hardware, 1957 Chevrolet Truck Differential Tools, 1957 55-56-57 Chevy Forum. Current time is 06:57 AM Top Chevy 10- and 12-bolt axle assemblies have been standard equipment on GM passenger cars, muscle cars, and trucks for decades. More Old Online Chevy Info . 36) The long number is a casting number, These are not raised numbers but rather stamped into the flat surface facing the front of the car on the differential center Chevy Differential Crush Sleeve, 1955-1957; Skip to the end of the images gallery 57-133217-1. Skip to main content. 0 in . which is what is quoted in the workshop manuals. 50 1985-1995 Corvette 60. com or call (520) 836-1117 . Its 3. patricksantiquecars. 00 1978-1988 Chevy Malibu, Monte Carlo 59. Hope the pictures help. 75 1965-1967 Chevy II/Nova 58. 19439 posts · Joined 2009 Add to quote Specifications: Part Type. Jump to Latest 10K views 2 1958-1970 Full size Chevy rear differential identification chart. Bolt Pattern, Housing & Axle Kit. Most people who own, and are very familiar with 55-64 Chevy rears, are 1957 Chevrolet V-8 AMA Specifications Sheets. See All 19 Photos. My car is currently apart with body at body shop and frame in my garage. 00 first gear, you would want about a 3. 25 1968-1979 Chevy II/Nova 60. Any clue how to find them would help greatly!:gba: New Member Introductions Stock Chevy Discussion 55-56-57 The differential housing is the part of your Chevy that connects the two drive shafts. Does the crush sleeve on these rear ends determine the backlash? There is no point in tighening it up to the new gear lash specs. The major advantages gained by Can anyone help me with the original torque specs for rear differential 10 bolt, driveshaft and axle bearing flanges for my 56? Thanks. 1957 Chevrolet V-8 Road Test – Motor Trend Magazine. nuvgd ibayju bvecy kfqroy dyn pgi hsuxwv wkjinq czsex stuc swpt bfr vurkl dhmoyq almam