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Old 03-04-2006, 05:53 PM
ChevyHighPerformance ChevyHighPerformance is offline
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Join Date: Jul 2005
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Hoogie43mi,

There are a few things to try based on how you answer these.

What are your average Ltrims and Strims during ~1/2 - 3/4 throttle cruise?
Did you change the exhaust?
Any other engine modifications?
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