Not Ranked
A .020 over 390 is what scrubbed. I would not be "comfy" at 4.080 either given the obvious contact. But I'd have no hesitation at 4.160 (a .030 over 428 bore...) - in part 'cuz I've already done it a few times.
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Survival Motorsports
"I can do that....."
Engine Masters Challenge Entries
91 octane - single 4bbl - mufflers
2008 - 429 cid FE HR - 675HP
2007 - 429 cid FE MR - 659HP
2006 - 434 cid FE MR - 678HP
2005 - 505 cid FE MR - 752HP
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