I think I might not have my boost controller setup right but I have another concern. My waste gas has a 10 psi spring, but it sure sounds like it wants to build more boost. Can you tell by looking at this log file if my turbo has "run out of steam".



Im running a 355cid LT1, T70 .96exh, stock manifolds, 2.25" crossover, 3.5" turbo back exhaust, PowerEFI megasquirt ecu

Thanks,
Sean

 

Looks like MAP is constant.. then a huge leak develops.. then continues on with MAP constant.

I never see increasing MAP values.. so I would say yes.. at no point do I see an increase in boost.. could mean two things:
1) Turbo isnt capable of generating more boost
2) a huge leak is responsible for the loss of boost

3) your left wondering if it's the turbo or leak resposible for lack of boost increase.

 

BTW, my concern would be the knock - according to the logs.

 

I'll check all my clamps etc. I figured the turbo wouldn't be maxed out until about 14psi or so........ I'm not too worried about the knock, its doing its job. It's only pulling 6 deg. That dip isn't a leak, i lifted off of the throttle(blue line).

 

Hauls now!!!