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Old 04-07-2008, 09:26 PM   #5
Sean221A
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Join Date: Apr 2008
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Default Re: Lt1 Stock Opti-spark Question

We thought it was converter so put one in that flashed 400 rpm higher right in the range were it should be as too talkin to some people. Did not help the 60 foot at all. Still no help bottom end. Another questionable factor i was thinking about as far as cam timing on the dyno the headers would turn cherry red as indicating lean but tune wasnt. Could this be in cam timing? Thanks for the input Tommy hope all is well.
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