For sale is a close ratio transmission for 63 thru 74 gm products including grand sport corvette, Chevrolet, Oldsmobile, Buick and Pontiac and is a rare opportunity to own a virtually brand new m 22 close ratio rock crusher transmission with a completely new gear set.

Gear Ratio Choices: 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) Pair it with a faster axle, say a 3.54 for street or a 4.11 for the strip; X RATIO (1st-2.199, 2nd-1.506, 3rd-1.174, 4th-1.00) For road racing and tracks; Shaft Choices: 10 or 26 Input Spline; 27 or 32 output Spline

8,547 crusher gear products are offered for sale by suppliers on , of which crusher accounts for 38%, mining machinery parts accounts for 1%, and speed reducers accounts for 1%. A wide variety of crusher gear options are available to you, There are 7,748 suppliers who sells

This was accomplished by reducing the input shaft tooth count to 21 from 24 and the countergear’s maindrive section to 25 from 29 teeth. The 25/21tooth headset ratio is 1.19:1 and the 29/24 ratio is 1.21:1. This yields a slightly different M20 ratio set. Available Gear Ratios. Prior to 1966 order options really didn’t exist for Muncies.

Recent Comments. steve cooke on Muncie Super Duty M23 Super Case 4-speed Road or Drag Racing Rock-Crusher. Sale Extended. Last Week! Mark A Jones Deltona Florida on Auto Gear Super Case M22Z Rock Crusher 4-speed. Perfect For 2.73 to 3.42 Rear End Gears. Sale Extended. Last Week! Jeff Collins on RACING Muncie Slick Shift Clutch-less Super Duty M23 Super Case 4-speed Drag Racing Rock-Crusher.

How to Identify a M22 Rock Crusher. 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 fitting it into your car. If you have the incorrect transmission, your car may not function properly.

2014. 9. 4. · 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. New Camaros with a 2.68 1st gear, 3.73 rear gear and .59 overdrive.

M-22 Rock Crusher Identification The M-22 close-ratio transmission is easily identified internally from the M-20 and M-21 versions by the angle of the gear teeth The M-22 was only produced in a close-ratio version so it will not appe models with high rear-axle ratios 355 or lower numerically unless someone has changed it

STRONGEST Direct Replacement M22 With NEW Muncie AUTO GEAR SUPER CASE With The Strongest M22z ULTRAWIDE RATIO 4 SPEED TRANSMISSION. A GREAT HEAVY DUTY ROCKCRUSHER FOR YOUR CAMARO, NOVA, CHEVELLE, CORVETTE, GTO,442. THE MAIN CASE IS THE STRONGEST MADE with fill and drain plugs. C355 Forged Aluminum Mid-Plate. AG Roller

You will be bidding on a COMPLETELY rebuilt M-22 4-speed transmission, for Chevrolet, Corvette, Nova, Chevelle, Pontiac or Camaro First gear ratio is 2.20 to 1, 2nd gear is 1.64 to 1, 3rd gear is 1.28 and 4th is 1 to 1.

This a BRAND NEW SUPERCASE M22 4-Speed 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.