V6 (1994-2004) MustangsTechnical discussions on the 3.8L and 3.9L V6 torque monsters Sponsored by Optima Batteries
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I've cut off 2 of my cats and installed dual flow master exhaust system. I've added a adjustable fuel regulator. I've amp up the psi to 40, but my tang still intend to lower the rpm and hesitate on take off. I heard some said I can amp up the regulator to 55psi is that pretty cool for my v6 tang? Thanks for the help!
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Unless you are getting a dyno tune each time you do that then you are screwing things up. The more PSI you force in the larger the injector becomes and the closer it gets to reaching max output. Your MAF still thinks you have 21lb injectors but increasing the fuel pressure increases that rating.
Set it back down to 38psi and figure out the problems from there.
Actually the shop lie to me man. I took my car to a guy I know that works on car. he has a fuel pressure gauage. it was at 20psi. I was like WTF?! So, we amp it back up to 32psi (factory setting) to see what happens. But if the car intends to do the same thing I'll amp the pressure to around 38psi like you said. Thanks for your reply Neo!
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