Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - Zz4 Camshaft Sound
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Old 05-16-2006, 08:20 PM
jimfulco jimfulco is offline
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I have not used one, but I heard one in a truck recently, and it's almost completely smooth. Not as smooth as a stocker, but very civilized.

There are a couple of videos with sound of a Vette w/ZZ4 here:

Listen to the top 3 from Sigforty. The truck I heard seemed a bit smoother, but it had quiet mufflers.
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