Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - vortec or world s/r torquer heads?
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Old 03-29-2004, 03:27 PM
machine shop tom machine shop tom is offline
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No the 307 can't be bored to 4.00". Go with the S/R Torquers. They have screw-in studs, are set up better for springs, and use a "normal" manifold.
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