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Holley Carb #1475482 07/28/13 10:03 PM 07/28/13 10:03 PM
Joined: Apr 2003 Posts: 1,613 Burlington,Ont. 77DragracerR/T OP top fuel
77DragracerR/T OP top fuel Joined: Apr 2003 Posts: 1,613 Burlington,Ont.	How much is the value of a power valve? How many jet sizes? The 830hp carb i have has a the power valve removed and plugged but was running with 88 jets front & rear.Factory setting is 86 with a 6.5 pv. 77 Aspen R/T 60'@1.41 10.76 @ 123.26 http://www.youtube.com/watch?v=Eya3Ue8KoZk

Re: Holley Carb [Re: 77DragracerR/T] #1475483 07/28/13 10:17 PM 07/28/13 10:17 PM
Joined: Jun 2003 Posts: 52,972 Romeo MI MR_P_BODY Master
MR_P_BODY Master Joined: Jun 2003 Posts: 52,972 Romeo MI	I've always added 7 jet sized when removing a PV and then fine tune as needed... but 7 is very close

Re: Holley Carb [Re: 77DragracerR/T] #1475484 07/28/13 10:34 PM 07/28/13 10:34 PM
Joined: Jan 2003 Posts: 12,153 Benton, IL. D DaveRS23 Special needs idiot
DaveRS23 Special needs idiot D Joined: Jan 2003 Posts: 12,153 Benton, IL.	If you mean the PVCRs, they vary between models of carbs. The only way to know is to pull the PV and use wire drills to measure the PVCRs. That will get you close. Master, again and still

Re: Holley Carb [Re: MR_P_BODY] #1475485 07/28/13 11:29 PM 07/28/13 11:29 PM
Joined: Apr 2003 Posts: 1,613 Burlington,Ont. 77DragracerR/T OP top fuel
77DragracerR/T OP top fuel Joined: Apr 2003 Posts: 1,613 Burlington,Ont.	Ok I'll try 7 and work from there. 77 Aspen R/T 60'@1.41 10.76 @ 123.26 http://www.youtube.com/watch?v=Eya3Ue8KoZk

Re: Holley Carb [Re: 77DragracerR/T] #1475486 07/29/13 09:31 AM 07/29/13 09:31 AM
Joined: Mar 2008 Posts: 5,746 Ontario, Canada Dodgem master
Dodgem master Joined: Mar 2008 Posts: 5,746 Ontario, Canada	Yea normally you go up 7 or 8 sizes with the PV plugged.

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