Fuel pressure???
 

what would be better to have...a 190lph fuel pump or a 75psi fuel pressure regualtor??

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1991 GT,T-5,air silencer removed,racing clutch(previous owner put in so dont know what kind),K&N air filter,Aiwa deck,power acoustic amp,2 12" pianeers,UPDATE: Just got my Mac long tube headers and Cat-back

By the time summer comes ill have full Mac exhaust,new shifter knob and what ever else i can afford

I assume you mean a fuel pressure regulator adjustable to 75 psi.

If you want to tune a stockish motor, you can get a few ponies out of it by tuning the fuel pressure. Ford sets them up a bit rich from the factory.

If you plan on doing any worthwhile mods, get the pump. Most Mustangs stock pumps die in about 10 years anyway.

In short, do them both.

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1988 Mustang GT

12.0 @ 121 on radials
S-trim Vortech sitting in a box!