Quote:
Originally Posted by Scarebird
I am wondering if the 1968 and 1970 #15 heads are the same? 1970 shows as 87cc - perfect for today's gas.
Walace Racing shows 1968 small valve 15's as 10.5 to 1 compression for a 2 barrel - not buying it.
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Ron’s Pontiac page shows them as two different heads. 75cc for 1968 & 87cc for 1970 455 #15 heads.