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Originally Posted by ILMODC
I did this mod a while back on my GTP. Kinda didnt like it. Made the car shift harder. Kinda odd huh. Did spool up boost faster. Car would pull in 4th gear instead of downshifting all the time.
Since we know how to make it build faster, and we know the ECU will open the bypass @ high RPM. Wonder if we can just keep the bypass closed.
DUCT TAPE!!
....No, seriously. Why do we need a bypass anyway on a manual tranny? My GTP is an auto. Is this bypass system like a blow off valve on a turbo?
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yes, when the throttle plate closes the s/c is still spinning, if we had a clutch system, we wouldn't need it, but we don't so when the plate closes and the s/c still forces air into it it isn't doing any good. not exactly sure what the detrimental effects of it are, but i'd rather have it than not. we just need the pcm to stop limiting boost up top, and a bit more rpms up top and i bet we hit 13's easy with a lsd!
by the way, has anyone else tried this?