Since last year I have been having fighting with a gremlin in my fuel system. My 60' times were off and the car just felt like a dog then would start shooting ducks. The A/F on the LM-1 was up in the mid 14 range. My FP guage is on the cowl set at 7psi. This year I had the same issue only this time my FP guage was fluctuating quite a bit when the engine broke up (did not last season). After the first outing this season the Fuel pump quit. I took it apart and I found the fins inside all stuck with some white residue. I thought for sure that was the problem. Went back out and again same issue.I than sent the pump back to Magnafuel to have them check it out and it was fine. Last night I took my N2o flow tool removed the jet and installed it in place of the line from the regulator to the dominator. Well the guage on the flow tool read just under 4psi. I readjusted the reg to 7psi and the Autometer now reads 9psi. Going back to the track Friday to make a pass.

Hopefully thats the problem.. helps to have a known
good gauge

Yes hopefully that is the problem
I also have one of those small guages at the carb that agrees with the flow tool.