Thread: Edelbrock 11 Deg Pro Port
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Old 11-13-2011, 08:55 AM
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potentpontiac potentpontiac is offline
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Butler is working with Jesel on rocker shafts. Not sure of final ratio however. 1.75 1.80 is what I have heard. Plus they are currently doing R@D on a set of 11 degree heads. Should have some results in a week or two.

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