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Originally Posted by Dark_5.0
You would seriously run 30# injectors on a motor with stock heads? With what about 15 psi of fuel pressure.  |
Changing fuel pressure is passe'. Adjustable regulators are a bandaid fix for an improperly tuned setup. Where do you change fuel pressures on a returnless system? The injectors are calibrated for 39psi drop, so operate them there! If your A/F is off, then deal with it in the MAF transfer function where you should. The computer will eventually learn a correction for fuel pressure that has been changed, that's why you always end up going back and changing it again!
We run 60# injectors in high horsepower blower cars without any adjustable regulator at all, yet they manage to pass smog tests. Why? Because the system is tuned to operate efficiently from idle all the way to redline.
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Jeff Chambers
1990 Mustang GT 10.032 Seconds / 137.5 MPH
14-time Street Warrior World Record Setter
CRT Performance
2001 Tropic Green Mustang GT - 12.181 / 113.2 MPH
2002 Ford F-250 Crew Cab 7.3l Power Stroke - 17.41@77.2
"There's nothing boring about a small block automatic shifting gears at 9400 rpm!"