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Difference between large and small bore AFR heads?

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Old 05-04-2006, 06:11 PM
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Default Difference between large and small bore AFR heads?
im looking to buy some afr 225 heads for a turbo build and im confused on which head to buy? the motor im using is a 370, so do i need small or large bore?
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Old 05-04-2006, 08:20 PM
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a 370 should be a 4 inch bore so that would be considered a large bore I believe
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Old 05-04-2006, 08:22 PM
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actually its a 4.030 bore so im sure its considered a large bore also but wasn't for sure.
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