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Old 05-31-2009, 08:39 PM
olddog olddog is offline
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Join Date: May 2006
Location: St. Louisville, Oh
Cobra Make, Engine: A&C 67 427 cobra SB
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Yes. 2V per cylinder and a lot less flow capability. Also different cam, and intake.

I haven't kept up on the newest stuff, but the older 4V engines were aluminum blocks.
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