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Old 01-14-2008, 07:22 PM   #14 (permalink)
jazzie604
Turbo gas guzzler
 
Join Date: Dec 2007
Location: Lexington
Posts: 67

grocery getter - '03 Mitsu Evolution
90 day: 17.55 mpg (US)
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extra note: the fast idle valve(coolant controlled) defaults to high idle. merely blocking off the coolant lines will actually guarantee a higher rpm, all the time. what you would have to do is get into the throttle body and physically block the ports. On my old eclipse, guys would take off the t-body and fab (usually with a pop can) a block off plate for the FIAV.
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