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What jetting changes made when power valves come out? #444397 08/20/09 05:50 PM 08/20/09 05:50 PM
Joined: Aug 2003 Posts: 4,055 Salina ks 572_dup2 OP Back On The Bumper!!
572_dup2 OP Back On The Bumper!! Joined: Aug 2003 Posts: 4,055 Salina ks	The 1150s i got came with power valves. This is what holley told me to do. I wanna try plugging them. How much jetting do i change? Thanks Shawn Jennings

Re: What jetting changes made when power valves come out? [Re: 572_dup2] #444398 08/20/09 05:55 PM 08/20/09 05:55 PM
Joined: Dec 2008 Posts: 1,200 UK 6 602heavy pro stock
602heavy pro stock 6 Joined: Dec 2008 Posts: 1,200 UK	My 1150 came with 88s & PVs , i ended up with #96 squared.

Re: What jetting changes made when power valves come out? [Re: 602heavy] #444399 08/20/09 06:02 PM 08/20/09 06:02 PM
Joined: Aug 2003 Posts: 4,055 Salina ks 572_dup2 OP Back On The Bumper!!
572_dup2 OP Back On The Bumper!! Joined: Aug 2003 Posts: 4,055 Salina ks	Mine came with 95 squared sorry didnt say that. An i was Q16. Shawn Jennings

Re: What jetting changes made when power valves come out? [Re: 572_dup2] #444400 08/20/09 06:35 PM 08/20/09 06:35 PM
Joined: Nov 2004 Posts: 2,119 sc T tjmarcus1 top fuel
tjmarcus1 top fuel T Joined: Nov 2004 Posts: 2,119 sc	wouldn't it be wise to at least wait until you get a decent run in before you make anymore changes? what i would do is carry all the necessary parts to the track and make the change after a couple of runs.

Re: What jetting changes made when power valves come out? [Re: tjmarcus1] #444401 08/20/09 06:38 PM 08/20/09 06:38 PM
Joined: Aug 2003 Posts: 4,055 Salina ks 572_dup2 OP Back On The Bumper!!
572_dup2 OP Back On The Bumper!! Joined: Aug 2003 Posts: 4,055 Salina ks	Yes i do agree but im making changes! Shawn Jennings

Re: What jetting changes made when power valves come out? [Re: 572_dup2] #444402 08/20/09 07:07 PM 08/20/09 07:07 PM
Joined: Jan 2003 Posts: 16,925 NC 440Jim I Live Here
440Jim I Live Here Joined: Jan 2003 Posts: 16,925 NC	It depends on the power valve channel restriction, the booster, and the engine signal. But for starters, about 8 jet sizes.

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