Quote:
Originally Posted by JRMichler
You could watch intake manifold vacuum. If you consistently run at 5 to 10 or 12 inches vacuum, you have nothing to gain by P&G. Focus on DWG and DWL.
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I don't have a vacuum gauge, but my ScanGauge E is set to indicate MAP. It usually indicates 9 - 12 psi. Wide open throttle is 14+ psi and closed about
3.5 - 4 psi.