Thanks for the reply. I'll set the pressure back and try it this weekend.

I am running the Hilborn mechanical fuel pump, which was flow tested. I can't remember what the data was, but it was much higher than the crabs need. I put a pressure valve on and set it to about 13 pound (that's at about 1500 RPM, I don't have any idea what it would be at 6500 where the shift point...

I'm new to this site, and returning to drag racing after a long time away from it. A few years ago I bought super comp, tube chassis, 23 t fiberglass body. 400 Chevy bore to 406, Dart heads, roller cam, high comp pistons, running methanol. When I bought it, it had mechanical fuel injection with a Hi...