0407Lrm Strokepartthree01 Z
A Stroke of Genius PART III
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1.The new Holley Street Avenger 770-cfm vacuum secondary carb worked well right out of the box. Bob Vrbancic had to swap a 2.5 power valve for the stock 6.5 power valve because the engine made only 8 inches of vacuum at its 800-rpm idle. Back to Article
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