Quote:
Originally Posted by 72pontiac
if 1960's 101 is the same as todays 93 then we could still have 10.5 to 1 compression then why did i bump mine down to 9.5
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It isn't. The high octane, TEL containing gas of the '60's and early '70's would be about 95 - 96 octane by today's ratings. With that you could run your 10.5:1 compression iron heads.
 , Stewart
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1976 TA, nose converted to 1970 style, 406, ported #13 Heads, '70 iron intake without crossovers, Q-Jet - Cliff style, RARE OS manifolds, Pypes duals w/crossflow, UD 230/238 custom HR 4/7 swap cam with solid roller lifters  , Hydro-Boost 4-wheel discs, 4 Speed, 3.23 posi.
“Nothing in life is so exhilarating as to be shot at without result.” - Winston Churchill
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