When I rev the engine in the garage I have a pop in my sidepipes after about 2000rpm's. Maybe more on the driver side but the damn thing is so loud I really can't tell. What will cause this popping? I have sprayed carb cleaner around the intake but found no leaks. I think my fuel pressure is right at 2.5 and I think my timing is around 38 degs. This is a 408w.
idle jet 65
idle jet holder 120
primary jet 150
air correcter is 190
f7 tubes
50 exhaust valve and pump
37 venturi's
I am running rich around 11 to 12:1 A/F. That is not that far off. If that is the issue, what to change? That ratio is through the whole band.
The car runs pretty good already but I really hate to do to much road testing since it is not exactly legally registered yet.
