1957 chevy rear end gear ratios

If you have a 3.42 rear end ratio and need more towing power you would switch to a 4.10 ratio . My 1954 P/U Built in the Oakland Plant California came with 3:90 Gears sm420 and 235 CID. Using the charts below, you will be able to learn alot about the rear differential in your classic full size Chevy. Now under the 1957 and 1958 â€" 1962 they do show forwards and backwards compatibility with those with the same gear ratio. Identify your GMC or Chevrolet rear end gear ratio by the RPO Codes, usually located on the placard labeled "Service Parts Identification" inside the drivers door panel or glove box. A standard Chevrolet option, "Positraction" rear end with 4.11:1 gears, was installed, along with heavy-duty rear springs (one extra leaf), stiffer shocks and special retreaded 6.50-15 tires. 1957 57 chevy chevrolet 4:56 positraction posi rear end 456 gear ratio belair for sale. manufactured by Chevrolet (USA) in United States ; 2-door coupe body type; RWD (rear-wheel drive), automatic 2-speed gearbox; gasoline (petrol) engine with displacement: 3859 cm3 / 235.5 cui, advertised power: 104.5 kW / 140 hp / 142 PS ( SAE gross ), torque: 285 Nm / 210 lb-ft, more data: 1957 Chevrolet Bel Air Sport Coupe 235 Blue-Flame Powerglide (aut. Find 1957 CHEVROLET BEL AIR Differential & Rear-End Components and get Free Shipping on Orders Over $99 at Summit Racing! The proper rear-end gear ratio can be selected using the following simple formulas whether using a direct-drive (1to1) or overdrive (usually 30%) transmission. The 10-bolt differential fits all passenger cars. USD $12.25 Each. The only numbers on the case are as follows 3T25899 and G17 and 81. Now, for the axle housing itself. You can get a lot of different gear ratios if you want to rebuild a rearend. Best Quality Ring & Pinion Gear Set. Unlike a regular rear end, that directs power to the wheel with least traction, a controlled/posi rear end directs power to the wheel with most traction.meaning better traction and stability. Part Number: YGA-24143. This code will tell you the ratio, whether it is posi or not, any special notes and what plant it was made at. Opti. Shipping Options: Ground . . HTH. Rear ends with measurement designations are named after the diameter of the ring gear, i.e. Using a 3.90 rear axle gear ratio as an example [2.87 x 3.90 = 11.19], this is on the high side for a high torque engine. Automatic 57 cars (both 6 and V8) came with 14inch tires and 3:36 rear gears. MSRP $185.99 ea. J. Gomez. Chevy Corvette with GM 8.875" Series Axle 1957, Rear Differential Cross Pin Bolt by Yukon Gear & Axle®. This chart applies to all Ford non-overdirve transmissions, manual and automatic. You can do this by multiplying by the gear ratio. Read Online 1957 Chevy Owners Manual acquire the most less latency epoch to download any of our books in the manner of this one. . If you have installed larger tires, they rob performance, and you would want to go to a lower ratio like a 4.56 or 4.88 depending upon your tire diameter. Mar 17, 2014 (Edited) Only show this user. A short propeller shaft connects transmission with frame-mounted rear axle differential assembly. Brakes & Suspension AT 4.11:1 … Continue reading → Transmission- Special Chevrolet close-ratio 4-speed with full Synchro-Mesh in all forward gears. Spend some time in the left hand lane! Like the 8.2-inch 10-bolt, the 8.5 10-bolts use C-clips to retain the axles. 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. The RPM is calculated by multiplying your mph times the gear ratio times 336. . Gear ratios: (1st) 1.87:1, (2nd) 1.54:1, (3rd) 1.22:1, (4th) 1:1, (Rev) 1.87:1. This sounds very good will it work on my 1954 chevy truck 3100 , with the 4 speed hydromatic . The standard set up includes: 12 bolt rear end housing with all stock style suspension mounts installed. USA Standard Gear (ZK GM55CHEVY) Master Overhaul Kit for GM Chevy 55P/55T differential. This is a direct replacement differential gear set for 1940-1954 Chevrolet passenger cars. Ships Today. the rear-end gear ratio was 4.11 versus the regular half-ton's 3.90.) Description: Differential Carrier Break: 3.08 and Higher Differential Case Design Type: GM 8.2 Pinion Spline Count: 25 Ring & Pinion Gear Ratio: 4.56 Ring Gear Bolt Quantity: 10 Motive Gear Performance.More Details » By swapping out a 3.08:1 gear with a lower 4.56:1 gear with a 26-inch tall tire, your cruise RPM at 65 mph would jump from 2,600 to 3,800! For instance, if both the engine and transmission deliver up to 100 ft./lbs. 1957 57 chevy chevrolet 4:56 positraction posi rear end 456 gear ratio belair for sale. 13 6 piston front Baer brakes, 13 4 piston rear Baer brakes, upholstered trunk. Sold indivi dually. We have inspected the ring and pinion so as to ensure minimal ware and tare on the differentials that we sell. Dalyman, The stock gears in a 57 1/2 ton are 3.90:1. Listed are the expected RPM's at 60 MPH with a given rear end ratio and tire height. 1957 57 chevy chevrolet 4:56 positraction posi rear end 456 gear ratio belair for sale. Master bearing set includes Timken bearings and races, gasket (or RTV silicone), washers, nuts and ring gear bolts for a complete. Yukon Gear & Axle® Rear Differential Cross Pin Bolt. Well Hi I am new to the list but not old trucks I am the owner & Moderator of. of torque to the pinion gear and the gear ratio of the ring-and-pinion is say 4.12:1, the output torque is 412 ft./lbs. 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 it easy to customize the package to meet almost any need Axle Ratio = (RPM X Tire Size)/ (Speed (MPH) X 336) Example 4.88 = (2881 X 37)/ (65 X 336) Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this. Complete center section which includes a spool or posi unit, 1350 pinion . Some opted for the GM ¾-Ton rear axle used in Chevy-GMC trucks. This is a center cover gasket for the rear axle housing rear gasket, 1/2 ton pickup from 1937-1959 and for 1937-42 3/4 ton and 1 ton truck. For 1957, the Black Widow was the combination to build. The distance on that one is about 1-1/2", so it's about 1/4" shorter in that dimension from the 57 axle. Old _ChevyGMCTrucks on Yahoo Group. I turned the hub and counted the turns of the pinion and the pinion only turned 1 1/2 times to 1 turn of the hub.Anyone have any idea?? This is also known as a limited slip/ or posi-traction rear end. I attached the best pic i had of it. i.e. A 3.36 rear axle gear ratio would be more livable [3.36 x 2.87 = 9.64]. Gear Ratio *Required Lube Locker Gasket: Build your Axle Shafts. What you started with, was a 1512-optioned Chevrolet 150 utility sedan (two-door, no back seat, fixed rear windows, and no radio or arm rests) which was the lightest sedan Chevrolet manufactured that year. By 1957, when our featured vehicle was built, a similar half-ton shortbed 3100 was $1,800--a 26 percent price increase in just two years. 1958-1970 Chevy Rear Differential code Identification. 2 required per vehicle. # mpn4517168699. 3.36 rear end 1957 Chevy. Capacity (lbs) Type: Ratio: Series: 3300: AF: 3.90:1: 31 and 32 . "Factory GM Posi Housing 3789812 casting dated J213 (late '63 for 64 model year) w/ factory Posi carrier, containing 3.36:1 GM gear set dated 10/63, good unit rebuilt and not used since; GM gears dated consistently (10-63). First locate your current gear ratio and tire diameter and then find your approximate RPM at 65 MPH, then reference your new tire diameter with your desired RPM to find the new gear ratio needed. That is actually an 8.75" 12 bolt rear end. MSRP $31.99 kit. Description. CPP power steering gear, Eaton posi rear end with Richmond gear 3.70 ratio, Flowmaster exhaust, new stainless fuel tank, American auto wire harness, Vintage air conditioning, all new fuel lines, brake . The STAMPED code is a combination of both gear ratio and assembly date. Richmond Gear Differential Ring and Pinion - Rear . This set is designed to replace the differential bearings on 1962-64 Chevy II models. When removing the rear drums, always check the bearings and seals for signs of wear. 1957-1958 Code Ratio Type AE 3.36:1 Standard Powerglide AH 3.70:1 Standard Manual Transmission AN 3.70:1 Positraction Manual Transmission AP 4.11:1 Positraction Manual Transmission AQ 4.56:1 Positraction Manual Transmission AS 3.70:1 Positraction Manual Trans. 1957 VIN - Model - Series Identification . We have inspected the ring and pinion so as to ensure minimal ware and tare on the differentials that we sell. This 1955-1956-1957-1958-1959-1960-1961-1962-1963-1964 Chevrolet 3.08 rear end center section is an original used two-pinion type with cast arma-steel housing. Under the hood was a 283 cubic-inch engine with 283 horsepower, fed by Rochester . The two letters designate the gear ratio, and the numbers indicate the month-day the rear was ASSEMBLED (the casting date on the left side indicates the day the molten iron was poured into the mold). It's equivalent to the M20 muncie with a 5.17 rear. 1957 Chevrolet Bel Air Differential Ring and Pinion Change Vehicle Review Fitment Notes. . Clutch Posi; Truetrac / Helical Posi; Locker-----Exclusive 9" Gear Ratios . When it comes to performance gearing . Condition: New. Beyond the V-8, mechanical options . (Stock / restored / show) » 1957 chevy rear end id number FusionBB™ Version 2.1 ©2003-2006 InteractivePHP, Inc. 3: Merely said, the 1957 chevy owners manual is universally compatible similar to any devices to read. Using the charts below, you will be able to learn alot about the rear differential in your classic full size Chevy. Execution time: 0.136 seconds. Currie 9-inch rearends are built to match the vehicles original equipment axle width, pinion location, suspension . . I changed it to a T55, witch is the 1955 Truck Rear End Open drive line, it was used from 1955 -1962. Yukon Gear & Axle high performance . . But it will also use more fuel in all situations because the engine's rpm will be higher. Ring And Pinion Set; Position: Rear. 1957 Chevy Big Truck VIN Decoder. Axle numbers are stamped on the front or top of the Carrier. . This chevy has undergone a complete restoration. Add to cart. My Account: 0 item(s) View Cart: Home: My Account: . (41) Get Results Make/Model Part Type Brand Make/Engine Price Range 3.73:1 gears would hardly be worth the expence of changing rear ends. had 4.56 gears in them. RPM - Rear End Ratio Chart: The chart below may be of some help in deciding what rear end ratio is right for you. The RPM is calculated by multiplying your mph times the gear ratio times 336. When it comes to performance gearing . I have a stock rearend out of my 1957 chevy and am trying to figure out the ratio without opening the rearend. (30) In Stock, Including at a Supplier. The upper pic shows the axle in question. Buy GM 55-64 Chevy Drop-Out Third Member Rearend Posi, Gear, Bearing Kit Package - 3.73 Ratio: Differential Assembly Kits - Amazon.com FREE DELIVERY possible on eligible purchases . Rear ends for 1937-72 Chevys: Complete rears and parts, 55-64 center sections, positractions and non-posis and "P" case rears; 10 and 12 bolt rear differentials; housings, axle . The only gears available for the stock 55-62 chevy differential are 3.90 and 3.38. The Experts at Eckler's know rear end differential parts need to be of the best quality for the longest service life and Eckler's has assembled the best quality ring and . Well the note on the 1955 indicates they interchanged backward with 1956 -> 1955 but there is no indication on the 1956 of forward interchange with 1955 -> 1956. Then divide this total by the rear tire diameter (65 x 4.56 x 336 = 99,590 / 26 = 3,830). Total Queries: 15 Zlib Compression is on. Aug 29, 2012 Aren't '57 Chev rears 'front-loaded'? Includes: Rear axle flange gasket Rear axle seal Rear axle bearing - economy. Calculating the torque multiplication that your axle gears provide is quite easy. It appears to me that the rear axle carrier has been replaced by one - Answered by a verified Classic Car Mechanic. Mid to late 70's b-bodies got them, but usually the wagons. Details. Otherwise it looks like a 57 axle. Rosco, your rear end may very well be a 3.08 rear but it did not come from the factory with that ratio. Which let the 283s scream and perform to the max. Logged. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed. It has a take out complete LS3 and auto transmission. Chevy Supply of Assonet has a great selection of vintage Chevy rear end parts for 1937-1972 Chevy cars in our classic Chevy parts yard and Chevy auto parts warehouse. Fitment. Brand: . 1957 57 chevy chevrolet 4:56 positraction posi rear end 456 gear ratio belair for sale. All new upgraded front CCP suspension, gear box and sway bar. These stamped letters-numbers will contain two letters followed by 2-3 numbers. Currie ® 9-inch rearends for 1955 thru 1957 GM B-body vehicles provide a direct bolt-in solution for those looking to upgrade the rearend of their classic muscle car or restomod build. According to Nasty Z28, the GM/Chevrolet 12-bolt rear end was manufactured from 1965 through 1971. Overdrive three speed stick cars came with 4:11 gears. That's pretty extreme and it winds up fast. Chevy Bel Air with 28 Spline with Open Differential with 10 Bolt with GM 8.2" Series Axle 1957, Rear Mini Spool by Motive Gear®. Rear Axle Identification (Chevrolet) Example: AF 2 12 AF = Type, series and assembly Plant designation. B-W upped the ante in the early 70's with the "Super T-10", a stronger four-speed with gear ratios for drag racing. Part Number: 13921-07668084. By 1957, when our featured vehicle was built, a similar half-ton shortbed 3100 was $1,800--a 26 percent price increase in just two years. Leather and vinyl interior. Complete detailed instructions included. It's obviously not a 55-56 axle since the bearing measurement is too different. The gear ratio codes are located on the front passenger side of the differential as shown in the illustration below. Shop Shark. I have a 1957 Chevy Bel Air 2 door hard top. Summit Racing SpeedCard - Open a World of Possibilities - Apply Today! 7.2 and 8.5 inch. For example, if the pinion makes 3 revolutions during the 1 revolution of the axle, then your ratio is 3.00 to 1. 3.00" o.d. The pinion shaft diameter is 1.625 inches and will have either 28 or 30 splines. 1958-1970 Full size rear Differential Identification. The rear end is "probably" a 4.11 gear ratio with positraction. Stick shift 57 cars came with 14 inch tires and 3:55 gears. 1957 CHEVROLET Differential & Rear-End Components Transmission & Drivetrain - Free Shipping on Orders Over $99 at Summit Racing Search by Make/Engine Search by Make/Model Welcome Filters In Stock In Stock. Make one complete revolution of the axle and take note of how many revolution the pinion makes. . Not Yet Reviewed. By swapping out a 3.08:1 gear with a lower 4.56:1 gear with a 26-inch tall tire, your cruise RPM at 65 mph would jump from 2,600 to 3,800! GR Auto Gallery is pleased to offer this masterfully executed 1957 Chevrolet Bel Air 2 Door Hardto Resto-mod for the world to consider. x 0.250" wall seamless steel axle tubes. Fits stock drive line. . I was at my local pull a part a few months ago, and they had a 79 impala sedan with the same rear end. 2 = Month. 1957 Chevy Wagon Found Parked 30 Years And The Owner WILL SELL!!! 100 x 4.12. For example, Ford says the 2018 F-350 Super Duty 4x2 regular cab pickup equipped with the 6.2-liter . Details & Tech Info: This 1955-1956-1957-1958-1959-1960-1961-1962-1963-1964 Chevrolet 3.36 rear end center section is an original two-pinion type with cast arma-steel housing. 0. Changing the diameter of your tires will drop the rpms further than changing the gears. This is a differential ring & pinion gear set for all 1957-1964 Chevrolet passenger cars made by Yukon Gear & Axle. Save S SSedan64 Registered Joined Dec 15, 2007 55-57 Chevy, Tri-5, Bel Air, Delray, 150, 210. A bolt-in installation. Ring and Pinion Gears, 3.73:1 Ratio, 17-spline, Standard Ring Gear Rotation, GM 55P (8.2 in. Premium replacement rear axle bearings for use on 1957 Chevrolet passenger models. The first Chevy pickups debuted the same year Chevrolet became part of General Motors: 1918. . As engine sizes and horsepower increased in the post-1957 era, then rear axle ratios of down to 2.69 became available (not on Buicks, though) to allow for "relaxed cruising" on the new/soon-to-be Interstate Highway System. My Porsche runs like a scalded ape in first gear and it's overall ratio is 13.03. FIGURING TIRE DIAMETER (Height) FORMULA: Tire Size / 25.4 x Aspect Ratio x 2 + Wheel Diameter = Tire Diameter in Inches (Height) EXAMPLE (285x70R15): 285 / 25.4 = 11.22 x .70 = 7.8540 x . With aluminum alloy case, entire transmission unit weighs only 65 pounds. The overall length is 1/8" shorter than the 57 axle too. Drop Out), Set. Air condition, power front windows and tilt column. 1955-1964 Car [10 Bolt]; 3.55 Ratio; 3.08 Ratio Carrier and Higher. The 10-bolt differential fits all passenger cars. The first Chevy pickups debuted the same year Chevrolet became part of General Motors: 1918. . Power is transmitted from the transmission to rear end 1:1 in . Order one today and bolt in a bullet-proof 12 bolt rear end for your 1955-1957 Tri-5 Chevy that will take a beating! Differential Type and Gear Ratio. More Details. 57 1957 Chevrolet chevy ̃ GOON for a CHEVROLET Rear Axle Gasket - Center Cover. Rob . Then divide this total by the rear tire diameter (65 x 4.56 x 336 = 99,590 / 26 = 3,830). . The gear ratio codes are located on the front passenger side of the differential as shown in the illustration below. Your Choice Of Ratio. // I had always noticed that the 1961 Chevy . As far as the gear ratios offered here is a list by body style and any options. GM 8.2 in. 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. These gears will give a 3.55:1 gear ratio to install into the original stock differential housing. . First gear is 2.52 and multiplying that by the 4.11 rear would give you 10.36 overall. These were truck-tough, but limited ring and pinion offerings and hefty weight kept them from gaining the same acceptance as the Olds-Pontiac axles. The stamped assembly date will always be a few days later than the casting date. the rear-end gear ratio was 4.11 versus the regular half-ton's 3.90.) **CHEVROLET ONLY** Fits 55 1st series thru 62. . 3.10 rear end gear ratio. Chevy Bel Air 1957, Differential Pinion Nut by PCE®. Beyond the V-8, mechanical options . Ships In a Few Days. Want to search for rear end parts by application, ask the Gear Wizzard RPO Code: Description: Ratio: G11: Transaxle Final Drive: 2.56: G44: Axle Rear: 3.07: G72: Axle Rear: 2.14: G75: Axle . 12 = Day of month. You can also count the number of teeth on the ring gear and divide it by the number of teeth on the pinion to get your ratio. 4:11 Gear Set Is Special Thick Kind For 3-Series Carrier. GM Tri 5 1955-1957 Chevy Complete 9 Rear End Package-Fits: 1955-1957 Chevy Passenger Car *Description is for basic package with default options. 1955-64 Dropout Style 10 Bolt With 8.2" 3.70 Ring & Pinion Master Bearing Set With Timken Bearings. GM G-body 78-87 Complete 9" Rear End Package; GM Chevy S10 82-04 Complete 9" Rear End Package; GM Tri 5 55-57 Chevy Complete 9" Rear End Package; GM Truck Complete Rear End Packages; GM X-Body Nova Complete Rear End Packages-----Posi, Gears & Bearing Kit Packages. For Original Style GM 3-Series Carriers Only. With our new 3.38 to 1 ratio ring and pinion, you can cruise at 65 mph. The car was driven less than a 1000 miles in the last 10 years. WTB 1955-1964 Chevy 3.36 gear ratio rear differential/center section. . If you have any questions, call 515-232-0126 and we will be happy to help! Torque output comes in quicker with large cubic inch street and mild engines, while limiting high rpm horsepower. & H.D.
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