C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Which heads have better potential

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Old Aug 24, 2005 | 12:14 AM
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Default Which heads have better potential

I have a set of "113" TPI heads (aluminum) and a set of Dart Iron Eagles (200cc intake runner, 2.02/1.60). I want to have a set ported and polished for my motor, but I am having trouble deciding which head I want to use. I would like the aluminum head, but I am not sure if the stock castings can be worked over enough to be a better flowing head than the Darts.

Has anyone here done anything with their stock TPI heads, and if so, what were your results?
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Old Aug 24, 2005 | 12:59 AM
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What compression ratio are you planning on running?
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Old Aug 24, 2005 | 01:05 AM
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The 113s are not going to outflow those Dart heads, but I still wouldnt go to iron heads.

Other factors have to be considered, like the power numbers youre shooting for and compression.
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