Turbo xs high performance dual stage manual bc

suprahero

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Aug 26, 2005
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Does anyone know how to adjust this and make it hold boost. I bought this brand new and I can't get it to hold boost. I adjust it but I keep getting 15 psi. I have it adjusted about all the way down. I'm thinking about taking it back and use my refund to help buy an apexi avcr. I should have got it in the first place, but honestly I was kind of scared of how hard it would be to program. I guess I'll just have to stop being scared. If you have any helpful info don't hesitate to give it.................lol
 

billspreston01

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Jun 2, 2005
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I borrowed a friend of mines when I made pulls on the dyno. It worked fine for me. Just adjust it the way they say before you put it on (I think it was turn both adjusters clockwise all the way, and then turn the coarse adjustment counter-clockwise until the rattle stopped) then I put it on my car and drove around hitting factory boost, then I used the fine adjustment and turned it up a little bit, but nothing happened. then I turned the coarse adjustment half a turn and drove around and got a lil more boost. I ended up going from 8psi to 12psi ont he dyno (but hitting fuel cut in 2nd gear, and only 2nd gear)

dr jones mbc ftw! haha
 

suprahero

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Aug 26, 2005
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againstdawall06 said:
maybe you got the lines backwards.


No, I got it hooked up right. 100% sure about that. I have not tried the coarse adjustment though. I just backed the fine adjustments out two turns. I keep hitting 16 psi, and I only want to hit 14 on high boost and nine on low boost for everyday driving. I'm hoping that with nine psi., I won't spin too much out of the hole at the track. Thanks guys.