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#1
04-25-2010, 03:06 PM
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Won't boost past 10psi
I have a '92 Stealth tt, with a hallman pro rx boost controller with the 15 psi spring in it, and I have it screwed the whole way towards max boost, then backed off about a half turn, so it should be at just about 14.5psi. I also have a greddy rs bov, and of course an aftermarket boost gauge.. For some reason, the car will not boost past 10, maybe 11 psi.. I have checked all of the lines going to and from the boost controller and they are all connected well, I've also adjusted the bov in case it was opening early and bleeding off boost, but thats not done anything either.. Any ideas would be appreciated.. Thanks.
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1992 Stealth RT/TT - 60K miles - K&N Intake w/ 4.5" adapter, Aluminium Y-pipe, Hallman Pro RX Boost Controller set @ 14.5psi, G-Reddy Blowoff Valve... Downpipe & cat removal coming. 1997 Pontiac Grand Prix GTP (daily driver) - ZZP 1.0 PCM, K&N Intake, custom exhaust, 3.35" S/C pulley. 
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#3
04-28-2010, 06:38 PM
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Re: Won't boost past 10psi
I had a similar issue with my stock 9B's.
When I replaced them I found the cause.  the black crud is all burnt and caked on oil.
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Alan Michigan 3S  The Toy 1992 Dodge Stealth RT/TT 13.3 @ 102mph  The Daily Driver 1998 3000GT SL www.3sgto.org - The New home for 3S Enthusiasts
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