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Holley Power Valve #1220189 04/21/12 11:05 PM 04/21/12 11:05 PM
Joined: Mar 2007 Posts: 23 WV, USA D donsdart OP member
donsdart OP member D Joined: Mar 2007 Posts: 23 WV, USA	Would a 2.5 PV cause a rich mixture at idle or light cruise when a 5.0 PV (vacuum 10.5) is what should be used?

Re: Holley Power Valve [Re: donsdart] #1220190 04/21/12 11:48 PM 04/21/12 11:48 PM
Joined: Nov 2011 Posts: 2,154 Its a TRAP! DARTH V8Я Oh No!! I just had a moron attack!
DARTH V8Я Oh No!! I just had a moron attack! Joined: Nov 2011 Posts: 2,154 Its a TRAP!	nope. unless the diaphram is ruptured. When it takes more than a sweet mullet to prove you rule at the trailer park..

Re: Holley Power Valve [Re: donsdart] #1220191 04/22/12 01:51 AM 04/22/12 01:51 AM
Joined: Jan 2003 Posts: 9,826 las vegas 70AARcuda master
70AARcuda master Joined: Jan 2003 Posts: 9,826 las vegas	Quote: Would a 2.5 PV cause a rich mixture at idle or light cruise when a 5.0 PV (vacuum 10.5) is what should be used? the 2.5 mean it wont open until the vacuum drops below 2.5 inches.... Tony 70 AARCuda Vitamin C 71 Dart Swinger 360 10.318 @ 128.22(10-04-14 Bakersfield) 71 Demon 360 10.666 @122.41 (01-29-17 @ Las Vegas) 71 Duster 408 (10.29 @ 127.86 3/16/19 Las Vegas)

Re: Holley Power Valve [Re: DARTH V8Я] #1220192 04/22/12 08:48 AM 04/22/12 08:48 AM
Joined: Sep 2006 Posts: 1,139 West Tennessee R rbstroker super stock
rbstroker super stock R Joined: Sep 2006 Posts: 1,139 West Tennessee	Quote: nope. unless the diaphram is ruptured. Is there an easy way to check if it is ruptured or is a fixture needed?

Re: Holley Power Valve [Re: rbstroker] #1220193 04/22/12 10:59 AM 04/22/12 10:59 AM
Joined: May 2005 Posts: 416 Franklin Co. Illinois runinonmt mopar
runinonmt mopar Joined: May 2005 Posts: 416 Franklin Co. Illinois	If you have a mighty-vac hand vacuum pump there is an adapter that will fit the power valve. Make sure it seals to the PV. If not,pucker up. You can suck on it but it's NOT tasty. There is a fixture available but it's not cheap. Ron In sixty-five I was seventeen and running up one-o-one I don't know where I'm running now, I'm just running on Jackson Browne-Running On Empty

Re: Holley Power Valve [Re: runinonmt] #1220194 04/22/12 02:50 PM 04/22/12 02:50 PM
Joined: Mar 2007 Posts: 23 WV, USA D donsdart OP member
donsdart OP member D Joined: Mar 2007 Posts: 23 WV, USA	I have a mighty vac and will pull the old PV out and test. I remember the old gas taste NOT GOOD! Thanks for your input. Don

Re: Holley Power Valve [Re: donsdart] #1220195 04/22/12 04:22 PM 04/22/12 04:22 PM
Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska	turn the idle mixtrue screws in to lightly seated & if it still idles that would point to a ruptured PV live every 24 hour block of time like it's your last day on earth

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