Thread: Bore size combos for Dart Sportsman block?
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Old 06-11-2009, 09:06 AM
quickjack quickjack is offline
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Join Date: Feb 2006
Location: Kimball, MI
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4.000" stroke x 4.125" bore = 427 ci

4.000" stroke x 4.155" bore = 433 ci

4.100" stroke x 4.125" bore = 438 ci

4.100" stroke x 4.155" bore = 445 ci

etc, etc... it all depends on what you want to do/spend.
It won't be difficult to hit your 550 HP goal if you have a combination that's happy together.
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