![]() Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
|
Register | Album Gallery | Thread Gallery | FAQ | Community | Calendar | Become a Paid Member | Today's Posts | Search |
![]() |
|
Thread Tools | Display Modes |
|
#1
|
|||
|
|||
![]()
Yes' I believe the 3:73 was standard with the 4:10 optional. 1970 was the only year for a 12 both differential in the 1970.5 to 1973 Z-28 as well.
Bill |
![]() |
|
|