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1990TPI stalling issuse, Fuel psi??

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Old Sep 18, 2011 | 03:24 PM
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vendetta's Avatar
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Joined: Nov 2008
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From: Calgary, Alberta
Car: 1990 Iroc-Z28
Engine: 350HSR
Transmission: HD 700r4 B&M Stage2 SK
1990TPI stalling issuse, Fuel psi??

Hey fellas so ive been having a stalling issue ever since my rebuild, ive gone through the searches and found alota info that seemed like it was my issue, ive replaced the TPS , IAC (needed to anyways) , fuel pump relay, properly set the TPs and IAC now, it definaly seems to be a bit better but it still does it, now i generally am running between 41-44 psi on my Aeromotive adjustable regulator and it still stalls, i jacked it up to about 50-52 and it doesnt seem to do it anymore? any thoughts on why this is? is it bad to have the pressure that high? i belive im running 24lb injectors if thats helpfull. oh and its a 1990 TPI with a HSR on it, and the fuel psi seems to change up and down fairly large amounts sometimes on its own even though the AFPR is still locked where i left it, crappy injectors?

thanks for any input !
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