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Old 03-02-2010, 10:24 AM   #2 (permalink)
hackish
Calibration Engineer
 
Join Date: Jan 2010
Location: Canada
Posts: 86

Subie - '00 Subaru Impreza STi JDM
90 day: 22.49 mpg (US)
Thanks: 1
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You might end up with a slight improvement. Maybe with this you could get the head decked (a lot) and use the pulley to take up the extra cam timing that gives you. Ultimately an engine with a higher compression ratio has a much better BSFC.

-Michael
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