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jdub, i'll try to turn up afpr to 35psi and if that don't wrk i'll chg afpr. i'll get bck with you tomorrow on update and thanks again for all your help.

the afr's 14.5 and after they they jump to 10.0 if on gas hard. no i haven't tryed to adjust fuel pressure to 35psi. Do you think it might be tps not set correctly and its telling the computer to hit fuel cut at 2600-2700 rpm?

yes, my fuel pump is running off 12v relay in trunk and 4yrs old and i order frm suprastore, so i guess its real but just did 12v mod. yes adjusted fuel pressure to 28 psi> afr's are fine on both sides. after 2700 rpms the car runs like at bat frm hell. just between 2600-2700 goes lean on wide...

yes, now it it rises when removing vac line

jdub,yo this 7mgt45r did what you told me and i'm still getting that lean spot between 2600-2700. i put egr valve bck in and both vsv's

man i didn't know, i was told to take the egr valve off because didn't need and thats why they make egr block offs

so you saying put egr valve bck on?

so which one goes bck, aren't their 2 one for egr.

i removed the vsv.

and how do you stop it?

what is a fuel pulsation dampener? never heard of it. car runs fine below and above 2600-2700 rpm

under modrate acceleration,if i pressed more than 50% it would lean for about 3sec. and start bucking until you back off. No codes, yes aeromotive afpr,30psi with vac. line connected,when remove it doesn't increase,timing 10degrees top dead center. jdubb man i don't know whats going on didn't...

I've done the 12v modd. Io removed the relay and resistor.put jumper in 2,3 pins on relay connector and add 12v relay in back wired to fuel pump and still have issue. Help me out jdubb you the man.

oh ya! what about will neely. 700+ 7mpower baby.

do you know were i can find mod info

put AN fitting on fuel rail for feed line and now car leans out only at 2600-2700 rpm's. its like a flat spot and then the car smooths out threw out the the rest of the rpm's. i have 680cc precision turbo injectors,-6 feed line,255 walboro, vpc/safc. the car only stumbles at that rpm. i tried...

do you think it could be tps, since safc is not responding

yes, i mean at vacuum. its been going on for a week

oh ya! My boost gauge its at 10psi when it normally at 20psi when at idle. but i"ve checked for booost leaks

what size injectors do you think i should purchase? i'm looking for 700hp.