Boost Cut at 14.7 psi 9000 T - Saab Performance Bulletin Board - Saabnet.com
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Boost Cut at 14.7 psi 9000 T
Posted by Aaron Rist [Email] (more from Aaron Rist) on Fri, 25 Aug 2006 10:31:22
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My 87 saab 9000 turbo cuts spark at 14.7 psi of boost. i had prevously changed the computer from a bosch # 531 (it was fried) to a # 539 i thought the problem might have been in the eprom so i changed back to the 531's eprom and saw a noticable gain in proformance but still the boost cut. i really dont know if it is programed into the board or is there somthing else that could cause this? ie. coolant temp or other sensors.
i have a granger valve (boost controler) so it is not the apc system and i have the fuel pump circut jumped so it cant kill the fuel pump.
thank you fery much.
Aaron Rist
posted by 207.224.11...
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