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why is my 2nd turbo coming in at 4000rpm

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Old 06-23-03, 06:05 PM
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why is my 2nd turbo coming in at 4000rpm
My 2nd turbo is coming in at 4000rpm,does anyone know what may be causing this and is it adjustable so i can put it back to 4500rpm.Thanks Roy uk.
my mods are pfc,intake,dp,mp,blitz catback,1200 sec inj,mild port,stock twins seq,fmic,and bosch 044 fuel pump.
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Old 06-23-03, 06:17 PM
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I would not lose any sleep over it. If every thing else is running well with your extensive mods, you're in pretty good shape........
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Old 06-23-03, 07:16 PM
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you could put a home depot boost contoller(plumbing valve) in line with the turbo precontrol to delay secondary boost. but i would just rip all that crap out and go non seq
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Old 06-23-03, 09:04 PM
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Wow, cool...I wish my secondary turbo would come on @ the switchover rpm (4500)...right now it does NOT!
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Old 06-23-03, 11:17 PM
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Who knows why it is switching over so early, but if it were me, I wouldn't be complaining.
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Old 06-24-03, 11:22 AM
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https://www.rx7club.com/forum/showth...hreadid=196412
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