Dan, the fuel pressure can vary with the chip maker and what level the chip was programed for. Being a Red's chip, I think he likes a base of 45lbs.. maybe someone else can chime in with experience with that chip... either way, you will need to monitor O2 at WOT and adjust from there, we usually like to see 750-800 on the O2 and of course no detontaion..
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Jack Cotton
Cottons Performance
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