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1g BOV & upper i/c pipe => 25 psi???

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PGTred95

15+ Year Contributor
92
0
Dec 8, 2003
Haddon Heights, New Jersey
Hate to ask, cuz I'm not really a newbie to turbo's and what-not, just a newbie to the dsm world. Anyway, I replaced the upper i/c pipe w/a 2.5" pipe and a 1g BOV. Before I did that I had my Joe P. set to 14lbs. After replacing the pipe and bov boost increased astronomically to ~22-25lbs depending on 2nd-5th gear. I know this is obviously too much. My question is, is a gain of 10-13psi normal w/this upgrade? I have the mbc completely open and it still registers the same psi. Other mods on the car that would in any way be relevant are an AFC and lower i/c pipe. I just wanna know what I should do to get that to drop back down to 14. Thanks.

Nick

oh ya, i forgot (if already not assumed), i'm still on the t25:(
 
take apart your MBC carefully!!!!!. and put it back together again. the ball might not be seating on the spring properly.
 
Originally posted by Jimmy Jr.
Turn down the boost. My boost went up after I did the same mods though not that high.

That's the problem. No matter how I set my Joe P the boost doesn't change. Right now it's completely unscrewed so I should hit stock boost, but it pegs at 22-25. I'm thinking it's the ball not seating as mentioned. I'll find out tonight when I take a look at it.
 
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