backfire at 15lbs of boost

[GNRick]

BL should be 128. You still have a vacuum leak. Do yourself a favor and check craigslist for a smoke machine. The smoke will find all of the leaks for you.

 

[blackazz]

Thanks for the info I'm still working all the bugs after sitting for so long aside the vac leak now my a arm bushings are cooked too.