3 Attachment(s)
LSA breaking up under boost
LSA car. Just got the car back together after porting the blower and snout, adding a 102mm, and changing pulleys (went from 10psi to about 15).
So over 80% throttle or so, and over 12-13psi, it stalls out like it's on the stock limiter for about .5 seconds, then comes alive again for .5 seconds, etc.... and it's very repeatable. All I can see in the logs is that maf/map values drop hard during the dead period. I took several logs. Fuel pressure is mostly good. It kinda jumps all over during the breaking up, and I don't blame it for getting confused. I'm going to double check my plug gap in the morning, but I'm pretty sure they were at .025. I guess I'm just curious if anything jumps out at you guys here.
I've attached 3 logs. The last one has 2 back to back short pulls on it.