Thread: 800HP D Port
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Old 04-04-2012, 01:52 AM
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Jim Robertson Jim Robertson is offline
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Join Date: Jan 2005
Location: Abilene Texas
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HIS,
I have not tested these heads with just the valve stem. We did pick up a bit with the additional short turn and seat work.

Trying hard to dyno this weekend with a few different manifolds.

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