4 speed transmission
Account disabled by user request 5 Jan 09
Joined: Jan 2005
Posts: 261
Likes: 1
M20=
1st=2.52:1
2nd=1.88:1
3rd=1.46:1
4th=direct
reverse=2.59:1
from Chevy by the Numbers, 1965-69, Alan Colvin, P289
If your car was built after November of 1968, you can check to see what you have: the transmission will have a suffix stamped with the build date. A=M20, B=M21 and C=M22
1st=2.52:1
2nd=1.88:1
3rd=1.46:1
4th=direct
reverse=2.59:1
from Chevy by the Numbers, 1965-69, Alan Colvin, P289
If your car was built after November of 1968, you can check to see what you have: the transmission will have a suffix stamped with the build date. A=M20, B=M21 and C=M22
Last edited by FrankVincent; Aug 5, 2006 at 02:00 AM.
