1975 ( Grand National Engine ) details

autoxcuda said

They might seem off the shelf. But it seems there was some very select and special parts that went to top teams (Petty).

i have flow bench charts from “Petty castings”.

And memos of “select” parts being sent/from to Petty and special drag teams.

Click to expand...

Like all prominent figures u are right Im sure they had the best stuff first # just like all those Super Stock guys in GA had in early 60s at
Nalley Chevrolet etc !!
Items listed are kinda spartan Those worked TA heads are unique to say the least cool old article indeed.