• How to Identify a M22 Rock Crusher It Still Runs

    An M-22 "Rock Crusher" is a Muncie four-speed transmission for cars made by General Motors in the 1960s. Identify a transmission type correctly before fitting it into your car. If you have the incorrect transmission, your car may not function properly. You can identify several unique signs that

  • Midwest Muncie Muncie 4 Speed Transmissions And Rebuild Kits

    Home of the world's best 4 speed muncie transmissions and parts. We also offer muncie rebuild kits, racing parts and m22 rock crusher transmissions.

  • Muncie Gear Sets · Contact · Muncie Super Duty M23 Super Case 4-Speed · About
  • Guide to Muncie M20, M21, and M22 Four-Speed Transmissions

    Aug 03, 2018· The M22 Rock Crusher would come later to accommodate the heavy twist of Chevrolet’s big-blocks in the mid-1960s. Muncie transmissions

  • NEW Auto Gear Super Case Muncie M22 4-Speed Rock-Crusher

    New Super Heavy Duty Direct Replacement and Strongest M22’s Made With Muncie Auto Gear Super Case and Strongest M22 Close Ratio or Wide Ratio Gears. 26 spline input and large 32 spline output shaft. C355 Forged Aluminum Mid-Plate. Super Tail. AG Roller Side Cover. A great Super Heavy Duty Rock Crusher M22 for your Camaro, Nova, Chevelle, Corvette or other GM car.

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  • Muncie 4 Speed Transmissions

    How to Identify Muncie 4 Speed Transmissions. Identifying Muncie 4 Speeds III by Paul Cangialosi : The most popular question has to be that everyone thinks they have the famous "rockcrusher" M22 4 speed. This had the same gear ratios as the M21 but with a heavy duty gearset. It was primarily designed as a road race transmission. The

  • 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.

  • Muncie 4-Speed: The Complete History Chevy DIY

    Muncie 4-Speed: The Complete History. To understand the evolution of the Muncie 4-speed you have to look at a series of engineering platforms that led to the final design of this transmission. The Muncie design has roots going back to 1935. I took the time to research the patent number that is cast into most Muncie main cases.

  • How to Identify a Muncie Four Speed: Build Date Codes

    Jul 29, 2016· Learn how to identify production code numbers, VIN numbers, and more on a Muncie transmission. Get in the right gear with these tips. also known as the “Rock Crusher.

  • Muncie four-speeds Hemmings Daily

    Sep 23, 2018· The 2.56:1 ratio is commonly referred to as the M20. Muncie also had a second close-ratio transmission designated M22 and often referred to as the “rock-crusher,” which was used behind the highest-performance engines and in Corvettes, the M22 is a highly sought-after performance transmission.

  • Author: Jim O'clair
  • The 1965 Chevrolet M22 Rockcrusher Transmission: The

    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.

  • Muncie 4-Speed: The Complete History Chevy DIY

    Muncie 4-Speed: The Complete History. To understand the evolution of the Muncie 4-speed you have to look at a series of engineering platforms that led to the final design of this transmission. The Muncie design has roots going back to 1935. I took the time to research the patent number that is cast into most Muncie main cases.

  • The 1965 Chevrolet M22 Rockcrusher Transmission: The

    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.

  • Muncie M22 Rock Crusher Transmission Internal View YouTube

    Sep 06, 2017· Internal inspection of a 1969 Muncie M-22 "Rock Crusher" Transmission. Note some wear on engagement teeth but all gears fully intact. 10 spline input, 27 spline output Case Number: 3088336/3925660

  • Author: RollKamera
  • NEW Muncie M22 SUPER ROCK CRUSHER 4 speed Transmission

    The Gear Box is your online source for t56 transmission parts,t5 transmission parts,borg warner t56,muncie transmission,t10 transmission,super t10 transmission,3550 transmission parts,manual transmission parts,t56 transmission overhaul kit, t56 transmission rebuild,rebuilding a transmission,transmission shift fork,t56 synchronizer assembly,t56 transmission gears,Corvette T56 transmission

  • what is a rock crusher transmission? Yahoo Answers

    May 01, 2009· The Rock crusher was the M-22 Muncie close ratio 4 speed transmission favored in the '60's GM hot rods.Well balanced, smooth shifting and

  • Muncie Transmission for sale Only 4 left at -65%

    Chevy muncie m22 rock crusher 4 speed transmission 0 miles on rebuild (torrance) Sold at 1495 $ Chevy gm/ general motors muncie m22 rock crusher 4 speed transmission 0 miles on rebuild gear ratios 1st 2.20, 2nd 1.64, 3rd 1.28, 4th 1.00 gear oil not even added yet selling from an unfinished project car should fit belair, camaro,...

  • GM Muncie 4-Speed Decoding : Drivin' It Home

    M-22 “Rock Crusher” Identification. The M-22 close-ratio transmission is easily identified internally from the M-20 and M-21 versions by the angle of the gear teeth. The M-22 was only produced in a close-ratio version, so it will not appear on models with high rear-axle ratios (3.55 or lower numerically) unless someone has changed it.

  • Muncie 4 speed....M21, M22, Rock Crusher? The H.A.M.B.

    Mar 30, 2009· That's where the 'whine' come's from with those transmission's.. Also, there's companies out there that are making new gear set's for Muncie's as well..not just stock replacement stuff either. You can outfit an M20 or M21 with Rock Crusher type gears, OR actually make a 3 speed O/D out of a 4 speed case. Forth being the overdrive obviously..

  • The Mighty & Majestic Muncie 4 Speed Transmission Wilson

    When the engine was driving at low revs the transmission would rattle like it had gravel inside and would whine at high rpms. The M22 was eventually dubbed the “Rock Crusher”. It is a common misconception that all Muncie transmissions are “Rock Crushers”, but it is only the M22 that deserves that name.

  • Muncie Identification The H.A.M.B.

    Feb 21, 2010· The most well known Muncie transmissions are the M20(wide ratio), M21(close ratio), and the M22(rock crusher). Although not mentioned much, there was also an M23 transmission that was used, beginning in 1970. The M23 is recognized by a 26-spline(fine) input shaft and a large output shaft that requires a T-400 driveshaft yoke.

  • Magical Muncie Four-Speed Hotrod Hotline

    A Muncie differs from a Saginaw transmission in that its reverse lever is in the tail housing, not the side cover. The difference between a Muncie and a Borg-Warner is the Muncie’s 7-bolt side cover (two less than Borg-Warner units). The M22 is called the Rock Crusher. “Dump the Rock Crusher,” hot rodders say. People think all Muncie

  • M21 M22 4 Speed Muncie Manual Transmission Midwest

    Having issues diagnosing problems with your M21 M22 4 Speed Muncie Manual Transmission? we can help. Below you will find a detailed parts list for the M21 & M22 manual transmission that includes complete rebuilt transmissions bearing rebuild kits with and without synchro rings, gaskets and seals, small parts kits, bushings, individual bearings, slider, synchro rings, forks, gears and shafts.

  • So you've decided to slam four with a GM Muncie Transmission

    Among “old-timers”, the Muncie transmission commands a certain degree of respect. Sure, you could get a manual in tons of cars from GM during the 60's and 70's, but the Muncie was the one to have. Saginaw transmissions were cheaper, and worked admirably, but scattering gear oil on the pavement was a scary reality if you pushed them too hard.

  • M-22 Rock Crusher 4-Speed Transmissions by JetBoatBill

    NEW DESIGN MUNCIE M22 ROCK CRUSHER CLOSE RATIO 4 SPEED. THIS IS THE M-22 TRANSMISSION THAT GM COULD NOT BUILD! Newly designed STATE-OF-THE-ART Muncie front case from "Auto Gear". This is by far the "BEST" replacement aluminum case ever built for a Muncie! The front bearing is a "SEALED" bearing, and slightly thicker than the original Muncie's

  • GM Muncie 4-Speed Decoding : Drivin' It Home

    M-22 “Rock Crusher” Identification. The M-22 close-ratio transmission is easily identified internally from the M-20 and M-21 versions by the angle of the gear teeth. The M-22 was only produced in a close-ratio version, so it will not appear on models with high rear-axle ratios (3.55 or lower numerically) unless someone has changed it.

  • Muncie Transmission for sale Only 4 left at -65%

    Chevy muncie m22 rock crusher 4 speed transmission 0 miles on rebuild (torrance) Sold at 1495 $ Chevy gm/ general motors muncie m22 rock crusher 4 speed transmission 0 miles on rebuild gear ratios 1st 2.20, 2nd 1.64, 3rd 1.28, 4th 1.00 gear oil not even added yet selling from an unfinished project car should fit belair, camaro,...

  • M-22 Rock Crusher 4-Speed Transmissions by JetBoatBill

    NEW DESIGN MUNCIE M22 ROCK CRUSHER CLOSE RATIO 4 SPEED. THIS IS THE M-22 TRANSMISSION THAT GM COULD NOT BUILD! Newly designed STATE-OF-THE-ART Muncie front case from "Auto Gear". This is by far the "BEST" replacement aluminum case ever built for a Muncie! The front bearing is a "SEALED" bearing, and slightly thicker than the original Muncie's

  • Muncie 4-speed

    1964 to 1968 Muncie 4-speed transmissions can be identified from later models by the way the transmission arms attach. Early Muncie side covers had a stud and the shift arm attached with a nut on the stud while the 1969 and later model side covers had a hole and the shift arms attached with a bolt.

  • Muncie Identification The H.A.M.B.

    Feb 21, 2010· The most well known Muncie transmissions are the M20(wide ratio), M21(close ratio), and the M22(rock crusher). Although not mentioned much, there was also an M23 transmission that was used, beginning in 1970. The M23 is recognized by a 26-spline(fine) input shaft and a large output shaft that requires a T-400 driveshaft yoke.

  • Muncie M22 Rockcrusher Transmission For Sale

    Performance Built Muncie M22 Rock Crusher 4 Speed Transmission. This unit has been rebuilt at our state of the art facility. We have carefully engineered a process that allows us to bring you a product we can stand behind. This is a direct replacement for the following Chevrolet ,Oldsmobile, Buick, and Pontiac vehicles. Compatible Vehicles

  • The History of the Muncie 4 Speed It Still Runs

    The Muncie 4 speed was created in response to the engine power levels in GM vehicles exceeding the limits of an earlier transmission, the Borg Warner T-10 4 speed. Although the Muncie 4 speed found it easier to handle engine's growing power, its design borrowed from that of the T-10 it was replacing and even used the same basic layout.

  • Muncie Parts

    NEW Muncie M22 SUPER ROCK CRUSHER 4 speed $2399.00. No Price Muncie Master Overhaul Kit. The ultimate Master rebuild kit for Muncie transmissions. Kit includes: From $283.00 . Muncie Overhaul Kit 1966-74. Complete overhaul kit for Muncie 4 speed transmissions, 1966-1974. From $114.95 . Muncie Heavy Duty Competition Overhaul kit 66-74

  • Magical Muncie Four-Speed Hotrod Hotline

    A Muncie differs from a Saginaw transmission in that its reverse lever is in the tail housing, not the side cover. The difference between a Muncie and a Borg-Warner is the Muncie’s 7-bolt side cover (two less than Borg-Warner units). The M22 is called the Rock Crusher. “Dump the Rock Crusher,” hot rodders say. People think all Muncie

  • So you've decided to slam four with a GM Muncie Transmission

    Among “old-timers”, the Muncie transmission commands a certain degree of respect. Sure, you could get a manual in tons of cars from GM during the 60's and 70's, but the Muncie was the one to have. Saginaw transmissions were cheaper, and worked admirably, but scattering gear oil on the pavement was a scary reality if you pushed them too hard.

  • MUNCIE M-22 ROCK Crusher Four Speed Transmission All

    MUNCIE M-22 ROCK Crusher Four Speed Transmission All NEW Internal Parts $1,695.00. For sale is a Factory Replica of the Close Ratio Muncie Rock Crusher Four Speed Transmission typically used in High Performance 1965 to 1974 Corvette`s, Camaros, Chevelles, Nova`s, El Camino`s, Impala`s, Oldsmobiles and Pontiacs.

  • Muncie M21 and M22 Manual Transmission GM Overhaul Kit

    Information and parts are provide for the following Transmission: Muncie M21 / M22 4 Speed (RWD), an illustrated parts drawing for the M21 is provided. M-21 close ratio, and the extra heavy duty close ratio" M-22, also known as the "Rock Crusher". The M-22 was generally installed behind severely powerful (high torque) big-block engines. The

  • Identify General Motors' Four-Speed Transmissions

    Jun 13, 2017· The Muncie four speed was produced in two ratios: the wide ratio (M20) and the close-ratio (M21). That being said, there was a second, close-ratio version (M22) that was developed to survive duty behind engines with a higher torque output, and was known as the “Rock Crusher.”

  • m-22 muncie rock crusher eBay

    Find great deals on eBay for m-22 muncie rock crusher and muncie 4 speed transmission. Shop with confidence.