Thread: WRX parameters
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Old 08-27-2003, 02:36 AM   #4
QA Guy
Scooby Specialist
 
Member#: 6739
Join Date: May 2001
Location: Houston, TX
Vehicle:
2002 WRX
Silver

Default

A/F: 14.7 closed loop, ~10-11 open loop
Boost: ~20mm Hg vacuum to 15-16 PSI (stock turbo)
Oil pressure: 15-20 PSI (hot and no load) to 90 PSI (cold or high load)
Injector duty: less than 85-90%
Battery voltage >12v (probably 13-14)
EGT < 1600F under heavy load is the conventional wisdom

A lot of these measurements are going to vary based on your set up. Higher viscosity oil, bigger turbos, different injectors, etc...
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