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Hopefully some of you guys can help me with a little problem I'm having. I went to the track on Friday to dial in my new combo, but no matter what I did I couldn't get the wot a/f ratios any richer than 13-13.5. I'm currently running 78 jets in the rear, but tried going up to 82 jets with no...

Got a minor problem. Spent the day upgrading my fuel system by installing a new fuel pump and fuel pressure regulator. For those who don't know this is in a sbm swapped RX7. The problem is that the FPR will not regulate the fuel down past 7.5 psi, instead of the 6 psi I want. I'm thinking...