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chevy 4 speed rock crusher manual transmission codes

How To Identify Chevy Four-Speed Transmissions

Jun 13, 2017 The M20 and M21 used a gearset with a more angled tooth design on each gear (left). The M22 Rock Crusher used a gearset that features less of an angled-tooth gearing (right). Images courtesy chevelles. The gear ratio of the Chevy four-speed transmission placed in any car was usually determined by the engine size and rearend axle ratio.

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GM Muncie 4-Speed Decoding : Drivin' It Home

GM Muncie 4-Speed Decoding. The Muncie 4-speed transmission was used with many different GM models and engine combinations from 1963 through 1974. The basic design and operation theory of the gearbox changed little during this period, however several design upgrades and modifications were made during the total production run.

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Chevy Transmissions: Muncie 4 Speed M22 Rockcrusher

Chevy Transmissions: Muncie M22 “Rock Crusher 4 Speeds were made From 1965 TO 1974: The most popular transmission of it’s time for high performance cars built for Chevrolet and all performance oriented G.M cars. They have the same gear ratios as the legendary M21 but with a heavy duty gearset.

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Muncie 4-Speed Identification Guide Chevy DIY

Just three types of Muncie 4-speeds are available based on the RPO (regular production option) code used when a car was ordered: the M20 (standard wide-ratio), M21 (close-ratio), and M22 (heavy-duty close-ratio). (The M does not stand for “Muncie.”) Typically, when you ordered a GM car you had standard options and accessories installed.

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GENERAL MOTORS MUNCIE 4-SPEED MANUAL TRANSMISSION

GENERAL MOTORS “MUNCIE” FOUR SPEED 10-1-01 7 A12 Mainshaft 1st Gear L36-s36T (1963) 3831743 WT297-12 NOTE: this ONE (1) gear w/ snapring counterbore on cone end: used w/ thrust washer. L36-s36T: except M22 (1964-74) 3849388 WT297-12A L36-s36T: M22 ‘Rock Crusher’ (1964-74) 3924796 WT297-12B

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How To Identify Chevy Four-Speed Transmissions

Jun 13, 2017 The M20 and M21 used a gearset with a more angled tooth design on each gear (left). The M22 Rock Crusher used a gearset that features less of an angled-tooth gearing (right). Images courtesy chevelles. The gear ratio of the Chevy four-speed transmission placed in any car was usually determined by the engine size and rearend axle ratio.

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Get Geared up To Decipher Your Chevy 4 Speed Manual

Chevy 4 speed manual transmission identification isn’t difficult if you know what to look for in the part. Luckily, the makes are different enough to give you at least a starting point. Though the serial number convention is sometimes confusing, there is a method in the madness that makes knowing which one you have an easier task.

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GENERAL MOTORS MUNCIE 4-SPEED MANUAL

GENERAL MOTORS “MUNCIE” FOUR SPEED 10-1-01 7 A12 Mainshaft 1st Gear L36-s36T (1963) 3831743 WT297-12 NOTE: this ONE (1) gear w/ snapring counterbore on cone end: used w/ thrust washer. L36-s36T: except M22 (1964-74) 3849388 WT297-12A L36-s36T: M22 ‘Rock Crusher’ (1964-74) 3924796 WT297-12B

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Chevrolet Chevy Manual Transmission Identification and

Note 3: M-21/22 gear ratio: 1st 2.20:1, 2nd 1.64:1, 3rd 1.28:1, 4th direct, Rev 2.27:1. Effective October 21, 1968, an additional letter was added to the plant prefix number to help identify the gear ratios in Muncie transmissions. The additional letter codes as follows: Muncie 3 speed Manual. Muncie 4 speed manual transmissions.

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M21 M22 4 Speed Muncie Manual Transmission Midwest

Chevrolet 4 Speed 27 Spline: 1964-1967: Chevrolet & GMC Rock-crusher: 1966-1974: Need Stronger Parts? Midwest Transmission can Cryogenic Treat any shaft or gear. This cryo treatment will add 30% in component strength. Call 888-824-2012 for a quote.

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The 1965 Chevrolet M22 Rockcrusher Transmission: The

Sep 15, 2010 Across the top of the page are the words “First Build 4/15/65 1st Shipment 4/19/65, recap of M22 (Rock Crusher) Trans.” By comparing these M22 transmission assemblies to Chevrolet’s 1965 transmission identification codes, I found a perfect match.

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Muncie 4-speed Chevelle Stuff

Muncie 4-speed Transmission (Group 4.000) -. Casting Numbers. (1) All M22 applications except 454 engine. (2) All 454 Chevelle applications. The M22 was produced in 1973 and 1974 for other GM divisions. All wide ratio transmissions are designated M20 and close ratio transmissions are designated M21 or M22 depending on the gear set.

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Rock crusher four speed transmission chevy

The 1965 Chevrolet M22 Rockcrusher Transmission: The . 15/09/2010 Across the top of the page are the words “First Build 4/15/65 1st Shipment 4/19/65, recap of M22 (Rock Crusher) Trans” By comparing these M22 transmission assemblies to Chevrolet’s 1965 transmission identification codes, I found a perfect match This transmission identification code list was issued by the Chevrolet

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Brand New SUPERCASE M22 4-Speed Muncie Rockcrusher Style

This a BRAND NEW SUPERCASE M22 4-Speed Muncie Rockcrusher Style Transmission. Each new Auto Gear transmission is built from genuine Auto Gear parts, the highest quality available. This is a BEEFY version of the original Rock Crusher transmission.

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Muncie M22 4 Speed Rock Crusher Gear Whine YouTube

A video with better audio of the nostalgic sound of a Muncie M22 (Rock Crusher) transmission at work in a 1966 Chevrolet Chevelle.

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Pontiac Manual Transmissions

In 1958 and later years, Pontiac used the "standard" transmission interface used also by Chevy and other GM makes. So you can bolt up a later Pontiac or Chevy transmission onto an earlier Pontiac bell housing (back to 1958). For example, a '65 Corvette "Rock Crusher" M22 4-speed will bolt up to a 58 Pontiac bell housing.

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Muncie 4 speed manual transmission eBay

Up for grabs is a beautiful GM Muncie 4 speed manual transmission with a modified Hurst Shifter. Stamp number in casing is 3885010. I ran this in my 1950 chevy pickup truck for a short while in 2021, but the shifter was crowding the bench seat.

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1976 Chevy Vega, monza cars & trucks by owner vehicle...

Nov 21, 2021 For sale 1976 Chevy Vega, Monza, no rust the car is in excellent condition, 350 Chevy engine, Muncie M22 rock crusher 4 speed transmission with Hurst shifter, carburetor was just replaced with Holley street avenger, Holley remanufactured, 6.5 rear axle 2.92 gears with torsion bar, Headers, new tires, Air conditioning, door and hatch back seals replaced, new fuel pump, rear trans seal

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1969 Chevrolet Camaro Ideal Classic Cars LLC

This 1969 Chevrolet Camaro Z/28 RS is a real deal, numbers matching, MacNeish certified Z/28 car. Under the hood is that correct “DZ” code 302C.I. V8, and this one comes connected to one of the most famous transmissions ever to come from GM: the legendary Muncie M

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GENERAL MOTORS MUNCIE 4-SPEED MANUAL

GENERAL MOTORS “MUNCIE” FOUR SPEED 10-1-01 7 A12 Mainshaft 1st Gear L36-s36T (1963) 3831743 WT297-12 NOTE: this ONE (1) gear w/ snapring counterbore on cone end: used w/ thrust washer. L36-s36T: except M22 (1964-74) 3849388 WT297-12A L36-s36T: M22 ‘Rock Crusher’ (1964-74) 3924796 WT297-12B

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Rock crusher four speed transmission chevy

The 1965 Chevrolet M22 Rockcrusher Transmission: The . 15/09/2010 Across the top of the page are the words “First Build 4/15/65 1st Shipment 4/19/65, recap of M22 (Rock Crusher) Trans” By comparing these M22 transmission assemblies to Chevrolet’s 1965 transmission identification codes, I found a perfect match This transmission identification code list was issued by the Chevrolet

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Muncie 4-Speed: The Complete History Chevy DIY

The ST10 duplicated the current spline configuration, length, and shifter bolt patterns. The glory days of the 4-speed Muncie were over and BorgWarner once again was back in the saddle. The ST10’s production in GM vehicles was from 1974 to 1988. Because of production quality issues, no Corvettes were produced in 1983.

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Muncie SM465 4 Speed Manual Transmission w/ granny low

Saginaw Muncie 3 Speed Manual Transmission GM $200 (SLO) I have a PERFECT GM 3 on the tree 3 speed manual Transmission made by Saginaw Muncie which came out of a 66 Chevy C10. This transmission is in EXCELLENT working condition with no issues at all. It worked flawlessly when it was removed about a year ago. No slipping or hard shifting, no

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Manual Transmissions ~ The 1966 Chevelle Reference CD

Manual Transmissions Group 4.000. 3-speed manual transmission w/overdrive [RPO M10] Dash mounted lever to activate the Overdrive unit. Standard Saginaw 3-speed transmission. Heavy Duty full synchromesh 3-speed Borg Warner T16 delivered as the base

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1968 Chevrolet Camaro Big Block, 4 Speed, Blue on Blue

1968 Chevrolet Camaro 1968 Camaro equipped with a Big Block (3999289 Block Casting). 4 Speed Rock-Crusher Transmission and 12-Bolt Rear. Code UU LeMans Blue Exterior with White Stripes and Code 717 Blue Interior. Features include Power Brakes. Bucket Seats. Console. Gauge Package with Tach and Console Gauges. Push-Button Radio. Tilt Steering

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Pontiac Manual Transmissions

In 1958 and later years, Pontiac used the "standard" transmission interface used also by Chevy and other GM makes. So you can bolt up a later Pontiac or Chevy transmission onto an earlier Pontiac bell housing (back to 1958). For example, a '65 Corvette "Rock Crusher" M22 4-speed will bolt up to a 58 Pontiac bell housing.

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1970 CHEVROLET CHEVELLE 454CI LS6 MUNCIE ROCK CRUSHER

The body was rust-free. Originally built in Van Nuys, CA, and sold new in La Puente, CA. All date-code-correct parts were used. Some parts used on the build are original LS6 parts. Correct 1970 4-bolt 454/450hp block, M22 4-speed Rock Crusher Muncie transmission and original LS6 CRW 410 12-bolt posi-traction rear end.

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Muncie 4 Speed & GM Manual Transmissions Buy Sell Trade

Easley, SC. $1,300. Muncie M20 4 speed transmission w/ Hurst competition Plus shifter. Middletown, NJ. $850 $950. Muncie 4 Speed, Corvette Chevelle Camaro Nova Gasser Etc. Willowick, OH. $77. WANTED: Muncie Trans Extension # 3857584 casting date "9" or "10".

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Muncie 3 speed transmissions Team Chevelle

Oct 27, 2020 GTO 3-Speed Transmission, 1972 GTO, Heavy Duty 3-speed transmission, Dearborn, Muncie, M13, M12, Muncie M20, M22 rock crusher, Auto Round-Up MagazineA: L.C., thanks for the nice words. The transmission listed on the build sheet you sent me is indeed the Heavy Duty 3-speed transmission I spoke of in the a recent Auto Roundup/Car Collector Corner

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1957 Chevrolet Bel Air 57-1067DTX / L30391 Hemmings

Style # 57-1067DTX. Body # L30391. 502 cubic inch 510 horsepower street performance motor. Roller cam and roller rockers. MSD Ignition. Holley 850 double pumper carburetor. Hooker powder coated headers w/ 2 ½ exhaust. Muncie 4 Speed “Rock Crusher” transmission. Heavy duty coil over shocks

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402-Powered 1965 Chevrolet Chevelle Malibu available for

This 1965 Chevrolet Chevelle Malibu two-door hardtop was therecipient of a frame-off restoration in 2012 and has covered just 1,400 miles since the installation of a new performance-tuned drivetrain starting with a date code 1972 Chevrolet402cid V8paired with a rock crusher Muncie wide-ratio 4-speed manual transmission.

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1969 Chevrolet Camaro Z/28 302 Dual Quad Crossram, 4 Spd

1969 Chevrolet Camaro Z/28 Additional Info: 1969 Camaro Z/28 Complete Ground-Up Restoration. Original X-33 Code. Solid lifter Hi-Po DZ 302 (3956618 Block Casting) with the Dual Quad Cross Ram Manifold, 4 Speed Muncie M-22 Rock Crusher Manual Transmission and 12 Bolt Posi Rear.

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1967 Chevrolet Chevelle SS 396ci Big Block, M22 Rock

1967 Chevrolet Chevelle SS 396ci Big Block, M22 Rock Crusher 4-Speed manual 6225515911. This is a 1967 Chevrolet Chevelle SS Classic Car in Baltimore MD posted on Oodle Classifieds. 1967 Chevelle SS 396. This is a REAL SS 396 car with the "38" in

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