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Name : PGH Piper
Age : 27
Joined : 2011-05-03
Post Count : 12
Merit : 0

Poor performance Empty
PostSubject: Poor performance   Poor performance EmptyTue Nov 29, 2011 8:41 pm

I did motor swap like 3 months last week power stearing started whining changed it. But car still whining no accelaration with full throttle, only power is when supercharger helping. Over revs in first gear and gasps it WOT.

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Name : Derek
Age : 48
Location : Reading, MA
Joined : 2007-01-31
Post Count : 7717
Merit : 109

Poor performance Empty
PostSubject: Re: Poor performance   Poor performance EmptyTue Nov 29, 2011 10:25 pm

Your question is nearly unanswerable. There are so many variables. We need a LOT more information.

What year would be a good start. Please add that info to your signature (and enable it).

Is the check engine light on?

Is the power steering whining? Or is it an idler or tensioner pulley?

How do you know the supercharger is helping? The boost bypass valve could be malfunctioning. (vacuum line not connected, etc)

Sounds like you need to connect a scanner and see what the computer is telling you before we can take a hundred guesses at many different possibilities.
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