S/C equivalant of boost controller ?? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 08-26-2004, 04:59 PM   #1
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Default */C equivalant of boost controller ??

Was talkin to Russ earlier and we somehow got into the topic of */C.. and it made me wonder. Is there some kind of boost controller ( Maybe that'* not the right term, something similar to maybe to Boost Timing Master? Well something that does what boost controller does )..

So in essence.. lets say there'* a */C that can boost up to 15 PSI for a specific engine, but have some kind of limiter allowing to boost only to 8 for now till the internals are strengthen to handle 15 PSI boost @ a later date.
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Old 08-26-2004, 05:00 PM   #2
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P.*.

OK.. other then altering pulley size
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Old 08-26-2004, 05:10 PM   #3
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Your PCM limits boost via the BCS and BCA. The MAP sensor is what it watches for reference.
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Old 08-26-2004, 05:25 PM   #4
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Quote:
Originally Posted by willwren
Your PCM limits boost via the BCS and BCA. The MAP sensor is what it watches for reference.
Sorry.. I guess I should state that it'* non 3.8L related.. is there any kind of aftermarket kinda thing for any engine application ??
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Old 08-26-2004, 08:12 PM   #5
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You could try varrying the resistance to the BCS input with a potentiometer or some resistors.
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Old 08-26-2004, 09:33 PM   #6
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Why... what are you trying to do Drifter?
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Old 08-26-2004, 10:12 PM   #7
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Nothing .. just thinkin out loud.. humm.. Eaton is only good for XX boost and isn't efficient..

A good */C thats on a centrifugal type system may yield better boost @ lower temp.. but then why spend so much for it just to give same boost?? So why not go for the gusto and get a bigger */c that pushes higher boost right?? Well we know the internals of N/A or others can only withstand so much before upgrading the internals is needed.. but that will cost also $$ So why not just get a big boost */C.. have some form of a boost controller so it won't kill it ( And limit the boost for now ) till sufficient $$ can be saved to upgrade the internal to utilize more boost and full potential of the new */C..

Russ brought up a good point that Boost controller is for turbo'* only.. but wat bout */C ??

err...

STOP THE OPPRESSION OF TURBOS WITH SUPERCHARGER !!!
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Old 08-26-2004, 11:49 PM   #8
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Mmmm....I think......I shall respond.

Upgrade to an MP112 supercharger or get an IC.
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Old 08-27-2004, 12:44 AM   #9
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mmmmm...... MP112...... <drool>
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Old 08-27-2004, 10:30 AM   #10
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Didn't do much search into it.. but the 3 sites I"ve been to says for Corvettes and such.. :* but how would you be able to limit the boost of that */C?? Obviouslly in any engine that'* not as big of a displacement or made to handle it will blow. So leads me back to Boost Controller for */C Apps..
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