Table of Contents
What is better M21 or M22 transmission?
The M20 and M21 transmissions produced from 1963-’74 are easy to identify in both wide- and close-ratio units. The M22 to come later in 1967-’74 is also a close-ratio unit, but much stronger than the M21, with a higher torque capacity.
What is a M21 transmission?
The Muncie M21 is a close-ratio unit originally designed to be matched with 4.11:1 or 4.56:1 GM 4 Series differentials. The M21 was for higher performance cars. A close-ratio gearbox keeps shift points closer together, which keeps rpms up.
How much is a Muncie 4 speed transmission worth?
Muncie 4 Speed M20 or M21. $2899.99 OR WITH Muncie CORE exchange $2499.99.
How do I identify a Muncie M21 transmission?
Another way to confirm that the transmission is original to your car is most Muncie four-speed transmissions will have a Vehicle Identification Number (VIN) number stamped on the main case. The engine and transmission were stamped at the same time by the final assembly plant.
How do I identify my Muncie M21?
What year did the Muncie M21 come out?
1963
He tells us both the M20 wide-ratio and M21 close-ratio transmissions were first offered in 1963. The M22 Rock Crusher would come later to accommodate the heavy twist of Chevrolet’s big-blocks in the mid-1960s….21.
| Muncie Four-Speed Gear Ratios | |
|---|---|
| M20 Wide-Ratio 1963-’65 | |
| M21 Close-Ratio | |
| First Gear | 2.20:1 |
| Second Gear | 1.64:1 |
Can I rebuild a Muncie M21 manual transmission?
If you’re working on a Muncie M21 4-speed close-ratio manual transmission, we can supply you with a high-quality and complete Muncie M21 rebuild kit. For those with a Muncie M22 4-speed heavy-duty close-ratio manual transmission, we’ve got a Muncie M22 rebuild kit for that also.
When did the Chevy M20 wide ratio transmission come out?
He tells us both the M20 wide-ratio and M21 close-ratio transmissions were first offered in 1963. The M22 Rock Crusher would come later to accommodate the heavy twist of Chevrolet’s big-blocks in the mid-1960s. The M20 and M21 transmissions produced from 1963-’74 are easy to identify in both wide- and close-ratio units.
What is the difference between the M20 and M22 Rock Crusher transmissions?
The M22 Rock Crusher would come later to accommodate the heavy twist of Chevrolet’s big-blocks in the mid-1960s. The M20 and M21 transmissions produced from 1963-’74 are easy to identify in both wide- and close-ratio units. The M22 to come later in 1967-’74 is also a close-ratio unit, but much stronger than the M21, with a higher torque capacity.
How much is the 4 speed M20 or M21?
Muncie 4 Speed M20 or M21. $2899.99 OR WITH Muncie CORE exchange $2499.99. If you have no useable core the price is $2899.99!! Questions on our core exchange policy?