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Banned user
Location:
ADELAIDE - The Drift City
Registered:
July 2002
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Re: Nissan Turbos???
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Tue, 04 May 2004 12:22
 
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The VG30 turbo (if it is in good condition) is acctually a better turbocharger then the RB25det one.
There is nothing wrong wity cermaic turbos' they do their job (fast spool up, larger heat resistance) better then their steel counterparts. However they cant be spun fast, which is winding the boost up does.
Consider a stock R33 which has a 7 psi (at 1 bar) pressure drop loss accross the stock intercooler, see's 14psi at the intake manifold ( this is where boost gauges read boost, at the intake and not the turbo), the turbo is acctually boosting an additional 7psi just tocounter for the loss at the intercooler, to get you the final 1 bar reading of boost in the intake, that means that the stock turbo is acctually good for a bit more then just the usual 14psi crap people dribble
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