Not Ranked
From my experience .040 is at the ragged edge. We've done a few that large using a short fill of Hard Block to give the bores some added support. A sonic test is going to be the deciding factor.
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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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