Quote:
Originally Posted by Mike S
Thinking of changing from my old 72cc e-heads that flow 330 to a set of high ports with 80cc chambers to lower compression a little. Fron 11.5 to 10.8. Want to be safe for pump gas.
Will the e-head head studs work on the high port heads? will the e-head stud girdle work? How about pushrod length? Any other changes am I looking at. Are the exhaust ports raised?
Has anyone made the change from e-heads to high ports?
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as Bill said except for the rockers, the girdel, studs, pushrods will all require extra length, you may be able to reuse the shorter studs and piece together the longer 6/ head but really no savings. And yes, depending on your headers, they may hit in different areas, as the exhaust ports do rise by about .375'' if i recall. not a huge deal, but something to be aware of.
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1968 firebird cameo white on red 400 4 speed
1969 carousel red firebird 455, richmond 5 speed
1964 gto pump gas, 505 IA2 EHeads, EFI, 92 mm turbo ice cream getter in process now....
1970 lemans hardtop, gto clone Atoll Blue
1972 Maverick powered by 2004 gto ls1 and t56 6 speed, 8.8, fox strut front end, wifes car
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