Join Date: Sep 1998
Location: Ontario, Canada
Re: carb adjustment ?
Yes. A vacuum gauge is more accurate. If you have a Holley, just make sure you have the correct power valve. 1/2 of your highest vacuum reading at idle is the power valve size. Go to the lowest if your on an even # where there is no Holley PV.
I.E. 13"/2=6.5 so get a #65 PV. 8"/2=4 so get a #35 PV.
Mark 70 Z28 M22 3.73 Z21 Z87 - Lunati 20120121 Roller Cam
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