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Eman · 04-03-2017, 09:21 AM

The picking a power valve method of idling in drive makes no sense. The PV has no part in idling, so why idle in drive to pick a PV? If your PV is opening or effected by idle vacum something is wrong. Wrong PV could close at WOT if vacum rises. Not worth having a PV in a race engine.

04-03-2017, 09:21 AM	#4
Eman Member Join Date: May 2014 Location: E TN Posts: 473 Likes: 16 Liked 133 Times in 76 Posts	Re: Holley question The picking a power valve method of idling in drive makes no sense. The PV has no part in idling, so why idle in drive to pick a PV? If your PV is opening or effected by idle vacum something is wrong. Wrong PV could close at WOT if vacum rises. Not worth having a PV in a race engine.