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Old 09-12-2006, 07:13 AM   #69
STI8U
Scooby Specialist
 
Member#: 54052
Join Date: Feb 2004
Location: Auckland, NZ
Vehicle:
2005 Spec C Type RA
WRC Blue

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Quote:
Originally Posted by bboy View Post
Has anyone noticed a sound associated with over advancing AVCS, kind of a flutter. Anyone speculate on what that sound is? I'm thinking the cam is slipping backwards after the solenoid advances completely.

Clark-so advancing the intake cam and increasing VE is to to an increase in dynamic compression ratio?
What RPMs is the flutter at - could be compressor surge if your turbo is spooling too fast...
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