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1slowdsm · 11-02-2004

Why shouldnt I run over 15 on a stock fuel pump? Its not leaning out or anything. I'm trying to keep it at under 14 lbs for the streets and over 14 for the track, but the MBC isnt working...so its all over. I'll get a fuel pump over the winter when I get some money. When you say "get pressure straight from the intake manifold" what exactly should I do? Right now I have it T'd off of the BOV line, so that should be about the same right? Hmm...if I dont preset the MBC at all, then what would that do? If I dont preset it, the ball and spring arent engaged so its unlim. boost, right? If I screw it in all the way its unlim. boost too isnt it? Thats what I dont get on that MBC. I'll go try it unscrewed at the bleeder and at ball and spring and see what that does.

Yeah, I figured it was just my lifters making the noise and the knock sensor hearing it, thats why it seems like its knocking.

11-02-2004	#7
1slowdsm Now 1 second.....slower! Join Date: Jul 2004 Location: St. Paul, MN Drives: 1993 Talon AWD Posts: 1,359	Why shouldnt I run over 15 on a stock fuel pump? Its not leaning out or anything. I'm trying to keep it at under 14 lbs for the streets and over 14 for the track, but the MBC isnt working...so its all over. I'll get a fuel pump over the winter when I get some money. When you say "get pressure straight from the intake manifold" what exactly should I do? Right now I have it T'd off of the BOV line, so that should be about the same right? Hmm...if I dont preset the MBC at all, then what would that do? If I dont preset it, the ball and spring arent engaged so its unlim. boost, right? If I screw it in all the way its unlim. boost too isnt it? Thats what I dont get on that MBC. I'll go try it unscrewed at the bleeder and at ball and spring and see what that does. Yeah, I figured it was just my lifters making the noise and the knock sensor hearing it, thats why it seems like its knocking.