1. Home
  2. -
  3. Gear Ratios Of The Rockcrusher Transmission

Gear Ratios Of The Rockcrusher Transmission

Inside The Nseries M23 Transmission From Auto Gear

Inside The Nseries M23 Transmission From Auto Gear

196772 Camaro amp Firebird M22 Muncie Rock Crusher. Camaro Chevelle Corvette Nova Description Muncie M-22 Rockcrusher 3rd gear Correct for 220 Close Ratio Rock crusher transmissions with 17 degree factory cut gears Heartbeat City offers only the very best Italian Made Muncie gear sets for your Muncie 4 Speed transmission We stock all parts required to rebuild and restored your Muncie

Get Quote
Camaro Transmission

Camaro Transmission

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

Get Quote
Chevy Transmissions Muncie 4 Speed M22 Rockcrusher

Chevy Transmissions Muncie 4 Speed M22 Rockcrusher

Apr 03, 2019 An inside look at the N-series M23 four-speed manual transmission from Auto Gear Engineering and an interview with designer George Sollish. ... Rock Crusher in three ratios

Get Quote
Rock Crusher Ratio Grenzgaengernaturart

Rock Crusher Ratio Grenzgaengernaturart

Aug 03, 2018 He tells us both the M20 wide-ratio and M21 close-ratio transmissions were first offered in 1963. The M22 Rock Crusher would come later to accommodate the heavy twist of

Get Quote
Muncie 4speed Transmissions Hemmings

Muncie 4speed Transmissions Hemmings

Axle ratios of 3.73 and lower numerically higher came with close-ratio transmissions, while axle ratios of 3.55 and higher numerically lower used wide-ratio transmissions. In addition, many GM high-performance engines came with M-22 Rock-Crusher in the 1970-73 years, however an early version of the M-22 was available as early as 1965 ...

Get Quote
Transmission Ratios Of Planetary Gears Willis Equation

Transmission Ratios Of Planetary Gears Willis Equation

C 2.201 HD Close Ratio M22, aka Rockcrusher The transmission code is normally located on the passenger side of the transmission, arranged vertically just in front of the tailhousing joint. See the transmission decoding information for pictures and more information.

Get Quote
The 1965 Chevrolet M22 Rockcrusher Transmission The

The 1965 Chevrolet M22 Rockcrusher Transmission The

Chevy Gm Rock Crusher Transmission 4 Speed With Granny Gear. Chevy transmissions muncie m rock crusher speeds were made from to the most popular transmission of its time for high performance cars built for chevrolet and all performance oriented gM cars they have the same gear ratios as the legendary m but with a heavy duty gearset

Get Quote
Auto Gear Super Case M22z Rock Crusher 4speed Perfect

Auto Gear Super Case M22z Rock Crusher 4speed Perfect

Chevy Transmissions Muncie M22 Rock Crusher 4 Speeds were made From 1965 TO 1974 The most popular transmission of its 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.

Get Quote
M22 Rock Crusher Ratios

M22 Rock Crusher Ratios

Feb 01, 2013 Muncie 3 speed Manual Muncie 4 speed manual transmissions Suffix 1st gear ratio A 3.031 B 2.421 Suffix 1st gear ratio A 2.521 wide range B 2.201 close range C 2.201 Rock Crusher Of course like engines, transmissions come and go over time, so below is the as complete as I can make it transmission plant prefix list

Get Quote
Gear Ratios Of The Rockcrusher Transmission Prominer

Gear Ratios Of The Rockcrusher Transmission Prominer

gear ratios of the rockcrusher transmission. Home gear ratios of the rockcrusher transmission. Muncie 4 Speed Transmissions - 5 Speed. The most popular question has to be that everyone thinks they have the famous rockcrusher M22 4 speed. This had the same gear ratios

Get Quote
Gear Ratios Of The Rockcrusher Transmission Crusher

Gear Ratios Of The Rockcrusher Transmission Crusher

Gear ratios of the rockcrusher transmission. Super rockcrusher muncie m for sale muncie m22 rock crusher 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 its time for high performance cars built for chevrolet and all performance oriented g m cars they have the same gear ratios

Get Quote
Gm Muncie 4speed Decoding Drivin It Home

Gm Muncie 4speed Decoding Drivin It Home

High gear on any transmission is direct drive. Swapping a modern overdrive transmission into the Camaro is a good way to improve your cars driveability. ... The M-20 wide ratio, the 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 ...

Get Quote
The Novak Guide To The Gm Muncie Sm420 Transmission

The Novak Guide To The Gm Muncie Sm420 Transmission

Identify General Motorsfourspeed 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 angledtooth gearing right images courtesy chevellescom the ratio of the fourspeed transmission placed in any car was usually determined by the engine size and rearend axle ratio

Get Quote
Muncie M Rockcrusher Transmission Induzin

Muncie M Rockcrusher Transmission Induzin

Kit is correct for M-21 Muncie Transmission with the following gear ratios 2.20 first, 1.64 second, 1.28 third, 1.00 fourth. Heartbeat City stocks all parts required to rebuild you Muncie transmission. Please contact Customer service if you need your transmission

Get Quote
Camaro Transmission Information Amp Restoration

Camaro Transmission Information Amp Restoration

M-22 Rock Crusher Identifi ion 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. Get Price

Get Quote
Manual Transmissions The 1966 Chevelle Reference Cd

Manual Transmissions The 1966 Chevelle Reference Cd

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.

Get Quote
Introduction To Rebuilding Gmmuncie 4speed Transmissions

Introduction To Rebuilding Gmmuncie 4speed Transmissions

M22 RockCrusher . In 1963 the Corvette Grand Sport racing program was instituted. The early Grand Sports used a special heavy-duty version of the M21 close-ratio transmission. These special units evolved into what is called the M22 today.

Get Quote
Manual Transmissions Explained Cartechbooks

Manual Transmissions Explained Cartechbooks

Mar 02, 2015 By May 2003, we were building complete new Muncie-style transmissions with all-new components. Specialty gear ratios were created to give the Muncie a modern street approach as well as make it more competitive on the race track. You can now get an M22 with a 2.56 first gear or an extra-close-ratio M22X with a 1.17 third-gear ratio.

Get Quote
Muncie M22 Rock Crusher Four Speed Transmission All

Muncie M22 Rock Crusher Four Speed Transmission All

Mar 10, 2021 Figure Planetary gear Transmission ratios. With a single planetary gear set one will obtain three different modes of operation, depending on which component sun gear, carrier or ring gear is fixed. Input and output are then carried out by the other two components. Which transmission ratios result in each case, is shown in the next section.

Get Quote
M22 Rock Crusher 4speed Transmissions By Jetboatbill

M22 Rock Crusher 4speed Transmissions By Jetboatbill

May 16, 2021 For sale is a Factory Replica of the Close Ratio Muncie Rock Crusher Four Speed Transmission typically used in High Performance 1965 to 1974 Corvettes, Camaros, Chevelles, Novas, El Caminos, Impalas, Oldsmobiles and Pontiacs.. Also included are Hand Fitted Synchronizer Sliders and Hubs. The hand fitted slidershubs improves up and down shifting quality through all RPM ranges.

Get Quote
Muncie Super Duty M23 Super Case 4speed Road Or Drag

Muncie Super Duty M23 Super Case 4speed Road Or Drag

Muncie M22 Rock Crusher Counter Gear. Muncie M22 Rock Crusher Counter Gear Muncie 4 spd car m22 close ratio gear kit this m22 gear kit will have a 1 countershaft pin, 16 spline input, close ratio 2.20 1st gear.The kit will include the input shaft 4th gear, countershaft, 1st gear, 2nd gear, 3rd gear

Get Quote
Muncie M22 4 Speed Rock Crusher Auto Gear 1950

Muncie M22 4 Speed Rock Crusher Auto Gear 1950

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 Muncies ...

Get Quote
M22wide Vs M22 Quotrock Crusherquot Team Chevelle

M22wide Vs M22 Quotrock Crusherquot Team Chevelle

New Muncie M22 2.20 close ratio or 2.52 wide ratio Rockcrusher gear set is availabe with either a 10 or 26 spline input. Close ratio 26 spline gear sets available in Italian or Korean made. You must select whether you need a wide or close ratio amp which input spline count, 10 or 26.

Get Quote
Muncie 4speed Transmission Group 4000

Muncie 4speed Transmission Group 4000

Oct 30, 2008 13,130 Posts. 3 Oct 28, 2008. In the beginning, the M-22 was the Heavy Duty Muncie, and it was available ONLY in the close ratio version 2.201 first gear ratio. The primary difference between the regular close ratio Muncie M-21 and the HD Muncie was the angle at which the gear teeth were cut. The M-22 gear teeth are cut at a noticeably ...

Get Quote
How To Identify Your Transmission

How To Identify Your Transmission

Oct 30, 2008 This higher level of noise is where the nickname Rock crusher originated. There are now aftermarket replacement gears, gear sets and complete reproduction Muncies available. The reproduction trannys are available in all of the original Muncie gear ratio versions, including the Heavy Duty M-22 version.

Get Quote
Brand New Supercase M22 4speed Muncie Rockcrusher

Brand New Supercase M22 4speed Muncie Rockcrusher

Recent Comments. steve cooke on Muncie Super Duty M23 Super Case 4-speed Road or Drag Racing Rock-Crusher. SUMMER SALE ON NOW Mark A Jones Deltona Florida on Auto Gear Super Case M22Z Rock Crusher 4-speed. Perfect Performance with 2.73 to

Get Quote
M22 Rock Crusher First Gear Id

M22 Rock Crusher First Gear Id

Sep 15, 2010 This code list listed the model code, RPO regular production option, specific transmission type, gear ratio, transmission part number, and transmission letter code designation. At the bottom of the transmission codes page, there are notations dated March 25, 1965 that these same transmissions were added to the codes list.

Get Quote
Gear Ratios Of The Rockcrusher Transmission Crusher Tenic

Gear Ratios Of The Rockcrusher Transmission Crusher Tenic

Sep 15, 2010 This gearset was quite noisy and from all indications was called the Rockcrusher transmission from the beginning by all Chevrolet and Muncie engineering staff. The 1965 M22 maintained the 10-spline input and 27-spline output as all other Muncie transmissions from that model year.The 1965 M22 also had the drain plug boss drilled and tapped for a magnetic drain plug.

Get Quote
196772 Camaro Amp Firebird M22 Muncie Rock Crusher

196772 Camaro Amp Firebird M22 Muncie Rock Crusher

The 2.201 ratio first gear is usually referred to as the Muncie M21 transmission based on GMs production codes. The 2.561 ratio is referred to as the M20. Muncie also had a second close-ratio transmission coded M22 and known as the rock crusher, which was used behind performance big-block engines and in some Corvettes.

Get Quote
How To Identify A M22 Rock Crusher It Still Runs

How To Identify A M22 Rock Crusher It Still Runs

The 2.201 ratio first gear is usually referred to as the Muncie M21 transmission based on GMs production codes. The 2.561 ratio is referred to as the M20. Muncie also had a second close-ratio transmission coded M22 and known as the rock crusher, which was used behind performance big-block engines and in some Corvettes. These M22 units are ...

Get Quote
The Mighty Amp Majestic Muncie 4 Speed Transmission

The Mighty Amp Majestic Muncie 4 Speed Transmission

The 2.201 ratio is commonly designated as the Muncie M21 transmission. The 2.561 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.

Get Quote
Chevy Speed Rock Crusher Manual Transmission Codes

Chevy Speed Rock Crusher Manual Transmission Codes

The 2201 ratio is commonly designated as the Muncie M21 transmission The 2561 ratio is commonly referred to as the M20 Muncie also had a second closeratio transmission designated M22 and often referred to as the rockcrusher which was used behind the highestperformance engines and in Corvettes the M22 is a highly soughtafter performance transmission

Get Quote
Muncie M22 Rockcrusher Close Wide And New The Gear

Muncie M22 Rockcrusher Close Wide And New The Gear

The Gear Box is the source for Muncie Parts like the new assembled M22 SUPER ROCK CRUSHER 4 speed kit with micro super finish or downshift case support. The Gear Box Transmissions Muncie-Tremec-Saginaw-TKO-Top Loader-Richmond

Get Quote
Specials 4 Gear Trans Co

Specials 4 Gear Trans Co

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.

Get Quote
Muncie 4speed The Complete History Chevy Diy

Muncie 4speed The Complete History Chevy Diy

The Muncie 4 Speed came in 3 basic models the M-20, M-21 amp M-22. The Muncie M20 was a wide-ratio transmission and was intended for basic street drive-ability and basically for cruising your car . The first models had a 2.561 first gear. The later 1966-1974 units had a 2.521 first gear. They are compatible with a GM 3 Series differential.

Get Quote
Chevy Gm Rock Crusher Transmission 4 Speed With Granny Gear

Chevy Gm Rock Crusher Transmission 4 Speed With Granny Gear

The Muncie M21 and M22 close-ratio provide the narrowest range of gear ratios while the T56 provides the widest range of ratios through the gears. The proper selection of a transmission for a particular application is based on this idea.

Get Quote
Guide To Muncie M20 M21 And M22 Fourspeed

Guide To Muncie M20 M21 And M22 Fourspeed

The principle of a transmission is the same. With the leverage and the gears combined with a lever action, you increase the power an engine makes. The Muncie M20 is basically a wide-ratio transmission and was intended for normal street driving use. The early ones had a 2.561 first gear. The later 1966-1974 units had a 2.521 first gear.

Get Quote
Magical Muncie Fourspeed Hotrod Hotline

Magical Muncie Fourspeed Hotrod Hotline

The SM420 is a top loaded, top shifting truck style transmission. It enjoys the lowest compound gear of all the common truck transmissions at 7.051 and as such it is a popular choice for those wanting a very low crawling gear. The SM420 features a power-take-off PTO port on the drivers side of the case.

Get Quote
M22 Rock Crusher 4 Gear Trans Co

M22 Rock Crusher 4 Gear Trans Co

These are all the parts you need to convert your worn out Muncie 4 Speed to a M22 Rock Crusher . Includes the new M22 Gear Set Input, 1st, 2nd, 3rd, Cluster and Front Reverse Idler Gears Syncro Assemblies Hub, Sleeves, rings and Keys with Springs complete rebuild kit with roller bearings, seals, gaskets, countershaft, small parts and etc ...

Get Quote
Camaro Munci Rock Crusher Transmissionhenan Mining

Camaro Munci Rock Crusher Transmissionhenan Mining

This a BRAND NEW SUPERCASE M22 4-Speed 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.

Get Quote
Guide To Muncie M20 M21 And M22 Fourspeed Transmissions

Guide To Muncie M20 M21 And M22 Fourspeed Transmissions

This is a very rare 660 m22 rock crusher muncie, it is a service replacement transmission unstamped, no vin, it will be correct for 68 to 70, all rebuilt and guaranteed, all new straight cut gears, 220 ratio

Get Quote
Muncie Fourspeeds Hemmings

Muncie Fourspeeds Hemmings

We have complete M22 aftermarket gear sets, both 10 and 26 spline Inputs and either Close 2.20 first gear or Wide Ratio 2.52 first gear. The Wide Ratio M22 gear set is based on the 2.52 first gear ratios and is available in both 10 and 26 spline Inputs.

Get Quote
Super Rockcrusher Muncie M For Sale

Super Rockcrusher Muncie M For Sale

Your first-gear ratio is 2.521. Gear ratios are a very important aspect of transmission selection and transmission design. Ratios can help determine proper application as well as the torque capacity of a transmission. Two areas often overlooked when selecting a transmission are gear ratio and center-tocenter distance.

Get Quote

News and Events

Master first-hand information, focus on sand and aggregate information. Focus on industry trends, focus on information value, and tap business opportunities in the era.