Muncie 4 Speed Rock Crusher Gear Ratio

muncie 4 speed rock crusher gear ratio. People think all Muncie four-speeds are Rock Crushers, but they’re not. Nowadays there are custom gear ratios and set ups, including M21 wide-ratio and M22 wide-ratio units. You can pretty much get what you want. Beefed up boxes for hot rods and Resto-Mods are popular, too. “ When rebuilding a Muncie four-speed you

The Muncie 2.56 to 1 ratio gearbox became the commonly used unit for four-speed applications beginning with the 1964 Chevelles and Novas. It was also used in non-Chevys, in the Pontiac Tempest and Oldsmobile F-85/Cutlass models. The easiest way to identify a Muncie transmission is by its side cover.

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.

08/08/2018· GM's goal with the Muncie four-speed was to produce a better shift employing larger synchro cones. He tells us both the M20 wide-ratio and M21 close-ratio transmissions were first offered in 1963,

It is the heavy-duty version of the 2.20:1 ratio M21 four-speed. The later model 1971-'74 Muncie units are popular with drag racers, because the 32-spline output is stronger, and better absorbs the higher rpm required for ¼-mile cars.

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.

A great Super Heavy Duty Rock Crusher M22 for your Camaro, Nova, Chevelle, Corvette or other GM car. Close Ratio = 2.20-1st, 1.64-2nd, 1.28-3rd, 4th direct. Wide Ratio = 2.56-1st, 1.75-2nd, 1.36-3rd, 4th direct or comp M22w 2.56-1st, 1.90-2nd, 1.48-3rd. Built for big HP. Lead time 4-6 weeks. 20% Cancelation Fee on special order.

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. Home: View Cart: Muncie Kits & Parts: T56: T56 Corvette GTO CTSV: TR6060 / T56 Magnum: T10: Super T10: TKX:

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 & which input spline count, 10 or 26. Fits all Muncie applications with 1" countershaft pin, 1966-74.

30/10/2008· 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. Since the original M-22 was ONLY,

muncie 4 speed rock crusher gear ratio. People think all Muncie four-speeds are Rock Crushers, but they’re not. Nowadays there are custom gear ratios and set ups, including M21 wide-ratio and M22 wide-ratio units. You can pretty much get what you want. Beefed up boxes for hot rods and Resto-Mods are popular, too. “ When rebuilding a Muncie four-speed you

Muncie 4 speed rock crusher gear ratio. 22 rock crusher 4 gear trans co uncie m22 rock crusher 4 speeds from 1965 to 1974 this page is devoted to oem complete units new aftermarket units and oem parts and nos parts 220 first gear or wide ratio 252 first gear the wide ratio m22 gear set is base View All Muncie m22 rockcrusher transmission.

The M22 is called the Rock Crusher. “Dump the Rock Crusher,” hot rodders say. People think all Muncie four-speeds are Rock Crushers, but they’re not. Nowadays there are custom gear ratios and set ups, including M21 wide-ratio and M22 wide-ratio units. You can pretty much get what you want. Beefed up boxes for hot rods and Resto-Mods are popular, too. “ When

GK-M22A - Muncie M22 4 Speed Rock Crusher Gear Kit - Input Cluster 1st 2nd 3rd Idler Gear. In stock. SKU. GK-M22A. Views: 0. Be the first to review this product. $599.00. 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,

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.

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

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 & which input spline count, 10 or 26. Fits all Muncie applications with 1" countershaft pin, 1966-74.

We have the best prices on Muncie 4 speed parts,,This design creates the distinctive low-RPM rattle and high-RPM whine the Rock Crusher is known for. Gear ratios are the same as the close-ratio M21. The Muncie four-speed was used in a wide range of GM products through the 60s and 70s. However, the Rock Crusher was only equipped in cars that had high

30/10/2008· 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. Since the original M-22 was ONLY,

23/02/2020· Hi, January 2019 I bought a 69 Z28 with a Rock Crusher tranny, Headers & a 4.56 Gear. I never really thought I would own a first gen, I was just too picky, but this was what I would have wanted. It is not a creampuff, but it could be. I like

GK-M22A - Muncie M22 4 Speed Rock Crusher Gear Kit - Input Cluster 1st 2nd 3rd Idler Gear. In stock. SKU. GK-M22A. Views: 0. Be the first to review this product. $599.00. Muncie 4 Spd Car M22 “Close Ratio” Gear Kit This M22

Muncie 4 speed rock crusher gear ratio. 22 rock crusher 4 gear trans co uncie m22 rock crusher 4 speeds from 1965 to 1974 this page is devoted to oem complete units new aftermarket units and oem parts and nos parts 220 first gear or wide ratio 252 first gear the wide ratio m22 gear set is base View All Muncie Muncie M22 Rock Crusher 4 Speed Transmission.

Muncie 4-speeds were produced in two different ratios wide-ratio (M-20) and close-ratio (M-21). An extra heavy duty close-ratio version (M-22) was also offered on many of the big-block high-performance models.The choice of transmission was dictated by the engine size and rear-axle ratio. Axle ratios of 3.73 and lower (numerically higher) came with close-ratio transmissions,

14/08/2015· M-37 "Super Muncie" or "rock crusher" Several ratios available, large input shaft (1 1/4, like "Hemi" 4-speed and "big" Top Loader), spur-cut 1st gear (increased load "shock" capability, makes a horrid "whine", thus the nickname) and large output shaft. The only cars I recall them in were the ZL-1s. LOTS sold over the counter for racing in the '60s. If someone

The M21 & M22 is a four speed, RWD or 4WD transmission. The M21 & M22 is a Muncie engineering design, this transmission is aluminum case, extension housing and side cover. The side cover has seven bolts and two shift cams. The synchro rings have 35 teeth and the unit has a 4 step cluster gear. The reverse gears are helical cut and are located,

03/09/2015· A video with better audio of the nostalgic sound of a Muncie M22 (Rock Crusher) transmission at work in a 1966 Chevrolet Chevelle.

Recent Comments. Joe Gio on Muncie Super Duty M23 Super Case 4-speed Road or Drag Racing Rock-Crusher. FALL SALE ON NOW!!! steve cooke on Muncie Super Duty M23 Super Case 4-speed Road or Drag Racing Rock-Crusher. FALL SALE ON NOW!!! Mark A Jones Deltona Florida on Auto Gear Super Case M22Z Rock Crusher 4-speed. Perfect

26/04/1997· ratio the weaker the gear. With the M-22 and 2.21:1 1st a typical rating is something like 400ft-lbs. On the Richmond Gear/Doug Nash the rating for the 3.26:1 gear 1st is 450 ft-lbs. Today you can get a 4:1 1st gear and its rated more like 400ft-lbs. If you like the noise of the "Rock Crusher" - I can only say that my Doug Nash makes a similar,

30/03/2009· ""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.. Kinda nice if you want the Muncie look and an overdrive"" Actually the 3rd gear station becomes the OD and the 4th gear station becomes 3rd,so the shift pattern is a little weird,1-2-4-3.

23/02/2020· Hi, January 2019 I bought a 69 Z28 with a Rock Crusher tranny, Headers & a 4.56 Gear. I never really thought I would own a first gen, I was just too picky, but this was what I would have wanted. It is not a creampuff, but it could be. I like