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Author Topic:   Bigger Powervalve?
posted July 30, 2004 09:06 AM
whats going from a 3.5 powervalve to a 4.5 powervalve going to do... carb works fine just looking for a little more

posted July 30, 2004 02:14 PM
It will open a little sooner and fatten you up a little on top end. Wont be a major difference though.

posted July 30, 2004 11:37 PM
If its working good don't fix it.check your manifold vacum and set your powervalve 1.5 to 2 below that .mine pulls 7" warm @ an idle I run a 5 valve.

[This message has been edited by akadirtracer7 (edited July 31, 2004).]

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