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Old 07-16-2013, 03:51 AM   #14
neg_matnik
Scooby Specialist
 
Member#: 132389
Join Date: Nov 2006
Chapter/Region: BAIC
Location: SF Bay Area
Vehicle:
2006 WRX Wagon SGM
2003 SV1000S, 2014 DL650

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Quote:
Originally Posted by ericv View Post
Thanks for all of the input. I have had it in the S# mode for the above mentioned "test". I will have to do a data log soon then post...busy at work then kids at home. I am averaging about 18.3mpg on the highway in S#. I would think despite the facts above (heavier rims, rotors etc.) the extra 40HP & diffferent gearing would somewhat offset this.
You missed the part about WRX and STI making about the same amount of HP at the *wheels*. Check the COBB Tuning dyno database and you'll see that the 40HP difference is just not there (it only exists on Subaru's brochures). You'll have to get a tune if you'd like to wake your STI up.
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