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

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.

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.

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:

GK-M22A - Muncie M22 4 Speed Rock Crusher Gear Kit - Input Cluster 1st 2nd 3rd Idler Gear. 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

Muncie 4 Speed Hot Rod Forum. Aug 14, M-37 Super Muncie or rock crusher Several ratios available, large input shaft 1 14, 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 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 

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.

Muncie M22 Gear Set 2.20 Ratio Rock Crusher 10 Spline Input Fits M20 M21 4 Speed · Item information · Related sponsored items · Description · Postage and payments.

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 

Yesterday, the finest synchronizer rings for your 'Muncie' four-speed were made in Wuhan, China. (2) uses the legendary M22 'Rock Crusher' gear geometry

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.

Chevy GM Muncie M22 Rock Crusher Wide Ratio 4 Speed. Car & Truck Parts & Accessories. >. Transmission & Drivetrain. >. Manual Transmission. Muncie 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. We have rebuild kits in stock and ready for shipment.

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The transmission shift. MUNCIE M-20/M-21 EARLY, G.M. (451) 7 bolt side cover used from 1963-68 * MUNCIE Shaft Identification The above Muncie 4 speed transmissions can be distinguished from the style of the transmission arm attachment. Pre '69 Muncie's use a stud & nut at the indicated attachement point, while '69 and later Muncie's use.

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 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 

I replace an purchased M22 gearset with an Autogear M22Z set. Comparisons of builds and gear ratios explained. I have some dissassembly highlights in t

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

SUPER ROCK CRUSHER M22 650 HP CALL for orders NEW Direct replacement M22 For up to 650 HP power applications 10 or 26 Input Spline 27 or 32 output Spline Speedo tooth count needed Includes Richmond GL4 Gear Oil No core charges Z RATIO (1st-2.984, 2nd-2.043, 3rd-1.468, 4th-1.00) W RATIO (1st-2.559, 2nd-1.752, 3rd-1.366, 4th-1.00)

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.

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.

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

Muncie / Saginaw Trannys 4 - speed pedals unknown. Barrie 09/07/2022. M20 Muncie Trannys $1000-1200 Saginaw Trannys $325-575 Bell housings $150-375 Flywheels $100-175 Z-bars $100 Shifters $175-375 Mounting brackets $50-125. Please Contact.