You’re 1.5 timing key from 8250,8500 might not be helping you? I can’t see 1.5 advance really hurting you but?
Best to have a pcv and control timing in different throttle positions and rpm
Darting is usually because of ski alignment.
It needs to be toe’d out a 1/4” and parallel with track.
I use a straight edge and put on track or chalk a line on floor lined up with my track and measure skis from there . Toe out
Load shed relays provide power to the important stuff first like oil pump and fuel
Follow you’re wires back from head light to plug connector when you take hood off and get a readingin volts from there too.
How’s the ground for headlight?
50/44 fp might be to much for you’re weight and size. I think you have to much cam angle .
Got a few guys that are 280+ lbs and running 50/42 or a 48/42 fp
with no problem and getting full shift out and great mph .
I do like that the 18’s are running cooler for sure
From about 90-120 degrees gets most hp consistently on Dyno
Guess the resistor in the 15-17 will do for now
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