How low can I safely set my fuel pressure?

[jimberg]

Before changing air/fuel ratio, it is important to make sure that all of your feedback sensors are working properly. Getting a chip to adjust your a/f ratio would be an expensive way to compensate for bad O2 sensors or ACT sensor.

I think Andy is probably correct about cost effectiveness. My assumption was that he still has the 19#ers sitting in a box somewhere along with the old MAF. If that's not the case, then just keep your fuel pressure at 39psi.

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351W 89 Mustang GT Convertible

[This message has been edited by jimberg (edited 06-04-2001).]