How much is a Muncie rock crusher?
NEW Muncie M22 SUPER ROCK CRUSHER 4 speed $2399.00.
What is a Muncie Rock Crusher transmission?
An M-22 “Rock Crusher” is a Muncie four-speed transmission for cars made by General Motors in the 1960s. You can identify several unique signs that identify an M-22 “Rock Crusher,” even if it does not have a GM hallmark imprinted on its surface.
How much torque can a Muncie m20 handle?
From what I understand, they can handle way more than the t-10. The muncies have better cases & handle up to 500-600 lbs-ft of torque. I know my muncie m20 & my friend’s m20 handle our cars at over 500 lbs-ft of torque. T-10’s are to be used on mild 350’s not 455’s.
What did Muncie M22 come in?
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. Because the Muncie has so much in common with the T-10 and even similar Saginaw boxes, it is easy to get this guy mixed up with non-Muncie units.
Why is M22 called rock crusher?
M22 gears are also made of a higher-grade nickel alloy. The M20 and M21 cluster gears are cut at a 45-degree angle. The reduced gear angle of the M22 created a problem with noise (hence the name “rock-crusher”).
How much is a Muncie 4 speed worth?
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!!
How much horsepower can a M22 Rock Crusher handle?
With the proper rear end gear a new M22 can handle close to 700HP!
Who made Muncie transmissions?
General Motors
The Muncie SM465 is a heavy-duty, four-speed manual transmission built by General Motors for use in light and medium duty trucks from 1968 to 1991 at the factory in Muncie, Indiana. The SM465 can be found in Chevrolet and GMC full-size trucks, Blazers, Suburbans, among other models.
How can you tell if you have a M22 Muncie?
Because main cases are often swapped rather than being repaired, the best way to determine if you have an M20, M21, or M22 is to simply look at the gears. Without removing the sidecover you can look at the input shaft and check for identification grooves cut into the spline.
Where is reverse on a Muncie 4 Speed?
Reverse gear is a sliding gear. It has no ability to synchronize; therefore, you can only put a car into reverse when you are at a complete stop. The shifter shaft in the extension housing is the reverse shaft.
What cars came with a Muncie 4 Speed?
10-spline units came in these vehicles: 1964-70 Chevy Corvettes and Pontiac Tempest 1967-70 Buick Special, Firebird and Camaro 1969-70 Grand Prix 1963-69 Impala 1965-70 Nova and Olds Cutlass/F-85 and Chevelle (except 1970 w/454-cu.in.
What is a Muncie M20 worth?
What are the internal details of a Muncie Supercase?
Internal detail of the SuperCase shows no casting seams and a larger idler web section. Top and front comparison of the SuperCase (left) and a stock Muncie case (right).
Which is better Muncie Supercase or stock case?
Internal detail of the SuperCase shows no casting seams and a larger idler web section. Top and front comparison of the SuperCase (left) and a stock Muncie case (right). Front section of SuperCase shows better mounting ear design, and soft plug sealing area for countershaft bore.
Is the Muncie Rock Crusher a Super Case?
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.
How much is a Muncie 4 speed transmission case?
To make “new” Muncie 4 speeds with new M20, M21, and M22 gear sets that are now available. Price per case kit is $269.95. Now in Stock! Visit our STORE to purchase. For further information call Paul at 561-743-5600. or email him at [email protected].