How To ?: Connect MBC inline with BPC. - Saab NG900 & OG9-3 Bulletin Board - Saabnet.com
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How To ?: Connect MBC inline with BPC.
Posted by Richard P. (more from Richard P.) on Wed, 27 Mar 2002 08:40:56
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Is this possible/feasible? I disconnected the MBC because it seemed that my top end performance was suffering. After the ECU adjusted itself, the top end power is better, even though boost is not as high. It now goes 3/4 yellow to the edge of red whereas with the MBC, it would go 1/4-1/3 into the red (I wounder if the ECU was sensing knock with the MBC and delaying timing? because it seemed like the car would pull like a locomotive till about 4K rpm and then felt like I put in neutral). The turbo lag, however, is now pretty bad compared to the MBC. I'm trying to get the best of both worlds by reducing the lag with the MBC and allowing the BPC to control boost at the top end. I'd rather have the ECU reduce boost then have it delay the timing (if that was what was happening). I must admit, without the MBC the car is much more civilized and it makes it easier on the wife's morning sickness :-)
Richard P. '99 9-3SE hOT
posted by 168.215.13...
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