Hot sale muncie m22 rock crusher ultra show car quality transmission with mirror polish finish muncie m22 aluminum rock crusher transmission fits m20 and m21 

New muncie m23zpeed transmission severe duty ultrawide ratio street or strip rock crusher !! no !! the engine bellhousing shifter etc shown are for display purposes price is for new trans only gear ratios 1st 2.994 2nd 2.043 3rd 1.468 4th 1.000 other.

What transmission is the rock crusher? 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.

m22 rock crusher identifiion Auto Gear Super Case Muncie M22 4-Speed Rock-Crusher, Camaro 4-speed 10/27spl. SALE. ALL NEW SUPER CASE MUNCIE M22W WIDE RATIO 4 SPEED TRANSMISSION. Yahoo Answers 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 after

Kit is correct for M-22 Muncie Transmission with the following gear ratios: 2.20 first, 1.64 second, 1.28 third, 1.00 fourth. Heartbeat City stocks all parts 

Muncie m22 rockcrusher close ratio,2.20 first gear also have wide ratio m22 10 or 26 spline input 27 out.rebuilt with new gearset tork locking sliders (helps 

Offered for your consideration is a GM Muncie M21 Heavy Duty Close Ratio 4 Speed Manual Transmission . It has a 2.20:1 first gear and 1:1 fourth gear ratio. This Muncie was removed from a 1963 Corvette that was getting a 5 speed upgrade. The transmission worked fine when it was removed, but I have not removed the cover for inspection (didn't see.

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 

The guys at Anaheim Gear tell us there are seven total Muncie input shaft options. Shown here is the M20 10-spline wide-ratio input shaft and counter gear. There is also a fine-tooth 26-spline input shaft employed from 1971-'74. 5. If you examine the 1966-'70 wide-ratio M20 input shaft, there are two grooves cut amid the 10 splines.

The M20 is a wide ratio with works better with 3.73 or numerically lower gears. The close ratio M21, and close ratio "rock crusher" M22 are better suited 

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. Muncies have seven bolts, two bolts on the

The M20 and M21 cluster gears are cut at a 45-degree angle. The reduced gear angle of the M22 created. M22 gears are also made of a higher-grade nickel alloy. (hence the name rock-crusher). Contents show

This transmission is a wide ratio with a 1st gear ratio of either 2:52 or 2:56 as compared to the M22 Rock Crusher close gear ratio of 2:20.

Muncie Transmission ID and Ratio Guide. Series: Gear Ratio 1st, 2nd, 3rd, 4th: Spline Input: Grooves Input: Cluster Pin : Tooth Count Input: Tooth Count 4th Cluster: Output Spline: M-20 wide ratio 63-65 M-20 wide ratio 66-70 . M-20 wide ratio 71-74 . M-21 close ratio 63-65 .

Ratio of drop between gears ; Transmission, 1st, 2nd ; M20 (63-65), 2.56, 1.91 ; M20 (66>), 2.52, 1.88 ; M21/M22, 2.20, 1.64 

This a BRAND NEW SUPERCASE M22 Muncie Rockcrusher Style Transmission. This is a BEEFY version of the original Rock Crusher transmission. Most all the weak points of an original Muncie have been solved by the Super-Case design. The Supercase has extra casting in all the known weak areas. The mid plate is aircraft grade aluminum.

Aug 03,  · Here's a typical Muncie gearset consisting of First, Second, and Third gear. See all 22 photos 12. On the left is the M20 countershaft, which is easily identified by the larger 29-tooth gear. On

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. It is the heavy-duty version of the 2.20:1 ratio M21 four-speed.

Muncie Four-Speed Gear Ratios M20 Wide-Ratio 1963-'65 M22 Rock Crusher First Gear 2.20:1 Second Gear 1.64:1

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

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 

23 rows · Aug 08,  · Muncie Four-Speed Gear Ratios: M20 Wide-Ratio 1963-'65: First Gear: 2.56:1: Second Gear:

This is the Muncie M-22 Rockcrusher four speed. Designed for the highest performance models. Bulletproof strength with more flat cut gears, makes a beautiful whine. If you want the mack daddy, here it is! *Please double check your clutch and pressure plate set to match below 67-68 M-22 ~ Input Shaft = 0 Grooves with Coarse 10 Spline Count.

The new Muncies being built today have some better ratios. Today's examples of the new car gear set ups are Mustang GT's with a 3.35 1st gear and 3.08 rear. 

Description Part Number. Rebuilt Transmission 1966-1974 M21 27 Spline MTGM016. Rebuilt Transmission M22 1966-1974 Rock Crusher MTGM038 

Input- 26 Tooth 26 Spline Close Ratio Counter Shaft- R27-22-19-17 Big 1" Pin Close Ratio 1st Gear- 36 Tooth 2nd Gear- 30 Tooth 3rd Gear- 27 Tooth Rev Idler- M21 This is an excellent way to convert your old Muncie M22 into a new unit. This comes with everything you need to convert M22 Case with the big 1” countershaft pin to a like new transmission.

23 rows · Jan 25, 2022 · M21 Close-Ratio: First Gear: 2.20:1: Second Gear: 1.64:1: Third Gear: 1.28:1: Fourth Gear:

Close ratio. Rock Crusher. This gear Set has all 3 speed gears, 1st, 2nd, & 3rd, the cluster, input and the reverse idler gear. Available in Close ratio, 10 spline Coarse or 26 splined fine. Muncie M22 Gear Set 2.20 Ratio Rock Crusher 10 Spline Input Fits M20 M21 4 Speed. $569.98. Free shipping Free shipping Free shipping.

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.

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.

Muncie four speeds Hemmings GM was phasing out the use of the Borg-Warner T-10 in 1963, and theMuncie 2.56:1ratio became standard equipment for four-speed applications in the 1964 Chevelle, Nova and Olds F-85/Cutlass.