Quote:
Originally Posted by Rich Biebel
NHRA knocked out all combinations that were never built or offered as regular production line combinations.....this included hydro equipped SD's. I think it was after the 1968 season.
'57 Chevy's could not use 4 speed transmissions anymore since they were only offered in Corvettes. 3 speed manual or P/G
'62 Plymouth same deal.....383/343 could not run a 4 speed....3 speed manual or auto...
Lot's of other combinations were disallowed.......
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I thought all that was way over due. I could not understand those being legal to begin with.