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Old 12-07-2007, 01:38 PM
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jmarksdragster
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Join Date: Jul 2007
Location: Florida
Posts: 635
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A .900 base circle cam may need vertical bars, or may need taller lifters. I have an .850 in my 427 SB and had to go .300 tall on lifters, horizontals hit the block preventing the lifter from contacting the base circle.
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