RE- my previous question,engine braking/speed control

1998 GMC JIMMY
228,000 MILES
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DUNCAN123
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I had considered low compression,but would that cause speed creep and high rpm at idle [ie.my foot is off the gas]?Also car has lots of getup and go,that does not sound like low compression to me?
Apr 24, 2012 at 9:57 PM
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