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Old 12-14-2005, 12:42 PM   #1
jblaine
Scooby Guru
 
Member#: 8512
Join Date: Jul 2001
Chapter/Region: South East
Location: St. Pete, FL
Vehicle:
2002 WRX chassis...
stage-infinity.com

Default Hydra 5700RPM hesitation, cannot tune out

I have an intermittent hesitation around 5700-5800RPM that I cannot tune out. It happens about 50% of the time.

It "feels like" a misfire.

AFRs are steady at 11:1

Nothing at all shows as far as high knock voltage.

I have tried lowering boost to 13psi.

I have tried lowering timing there to as low as 15, incrementally.

Anyone have a clue?
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