Hi, I have a set of closed-chamber heads that I would like to get more information on (i.e. combustion chamber volume, valve diameter, make of car it was originally from). On the head it has the markings "68" presumably date of mold, "D2OE" and "302". From research using google, I think these are
1968 58cc hi-performance heads, but I want to be sure. Any ideas?D2 is 1972, not 1968. 68 heads, AFAIK, are open chamber heads, so these aren't 68's. Of course I could very easily be wrong. I have a set of C8 302 heads on my motor, which is the only reason I have some insight to them.
Scott W. '66 HCS
The casting date could not have been any time in 1968 with a casting number of D2(OE), which is 1972+.
They couldn't be 68 heads, D20E would be 72 or later.(D=70 2=72) A 68 head would be C80E or earlier.
Hi, I found this which states they are 71-74 302 heads with 58.2cc chamber and 1.78/1.45 I/E valve diameters.
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