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:

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

Muncie 4 Speed Rock Crusher Gear Ratio Muncie 4 speed m22 ultra wide ratio gearset here it is the one you have been waiting for 2984 1st gear 2043 2nd gear 1474 3rd gear 100 4th gear use this with 273 or 308 rear and still get great low end performance part no rsgm22z.Oct 30, The reproduction trannys are available in all of the original

muncie 4 speed rock crusher gear ratio. GM was phasing out the use of the Borg-Warner T-10 in 1963, and the Muncie 2.56:1 ratio becamestandard equipment for four-speed applications in the 1964 Chevelle, Nova and Olds F-85/Cutlass. The early Muncie units built between 1963-'65 had a 7/8-inch input shaft and are not the best transmissions to use

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

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

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.

Can be used on all M22, M21 & M20 Muncie aluminum 4 speed transmissions with the 1" cluster pin and the 1st gear rides on a sleeve. Muncie M22 4 Speed "Rock Crusher" Gear Set. Muncie M20 / M21 with 1" Counter Shaft.

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 

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

Gear Ratio Choices: Z RATIO (1st-2.984, 2nd-2.043, 3rd-1.468, 4th-1.00)