muncie rock crusher gear ratios

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.

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

Jun 09,  · By the time the Muncie was in its final phase of production (1971-1974) it also gained a 32 spline output shaft in place of the original 27 spline unit. Wide, Close, or Rock Crusher Initially there were two specific Muncie transmissions available: the M20 wide-ratio (2.56:1 first gear) and the M21 close-ratio (2.20:1 first gear).

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

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

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 

In the beginning, the M-22 was the Heavy Duty Muncie, and it was available ONLY in the close ratio version (2.20:1 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.

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 .

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.

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.

I think you have it backwards there Tim. The regular 4-speed M-20 has ratios of 2.52:1, 1.88:1, 1.47:1 and 1:1. The M-21 close ratio and M-22