![]() Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
|
Register | Album Gallery | Thread Gallery | FAQ | Members List | Calendar | Become a Paid Member | Search | Today's Posts | Mark Forums Read |
![]() |
|
Thread Tools | Display Modes |
|
#1
|
||||
|
||||
![]()
I've never had any concrete evidence when, but the 9-76 date above is one of the earliest dates I've seen on the second design 15x4s. It wouldn't surprise me that the answer is the same for when the uni-lug design came out- which I think was 1973ish.
|