Quote:
Originally Posted by b-man
Definitely use 72cc aluminum heads on a 428.
The iron intake will be more than fine, an excellent choice that also happens to fit your needs.
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b-man
I sent a note over to Butler with couple of questions about parts and my plans for the 428 and they replied telling me that the 72cc E-heads on a 428 would require 93 octane gas and recommended going with the 87cc head. 93 octane is readily available here in NJ, I thought I would only need the 87cc heads f I stroked the 428 (or the 400).
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Three times the sound peaks, falls back, peaks again. A throttling back to cruising speed, a dwindling grumble of thunder and...gone.
The frogs take up where they left off.
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