Thread: An upcoming engine build....and a little game...
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Old 12-08-2015, 03:47 PM
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undy undy is offline
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Even modified factory HP heads are not going to yield huge CFM numbers so it's probably a smaller ci engine. As said before, probably a spec racer. 331 or a 347 would be my guess.

For an all out SBF "REAL" race motor there are heads out there with ports that those factory heads would fit in ... well ... almost.
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