Dual Quads On A Small Block Twin Win Or Double Trouble Part 1
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The results of our single-4 and dual-quad dyno tests on a hot 331-inch, small-block will prove surprising to some. Here are two of the six combinations we evaluated--the Cobra intake with Holley 670 Street Avenger, and the Blue Thunder two-4 with Holley 465s. View Related Article
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