E85 Power Post! Over 1000hp caught on camera!

COBB Tuning is committed innovation and performance and to prove it, we present two vehicles converted to run on biofuels. Not only do these two cars, a 2007 Subaru WRX STI Limited and R35 GTR, run on clean burning E85, but they both make well over 500whp! E85 is a blend of 85% ethanol (alcohol distilled from corn) and 15% gasoline. This Oklahoma-grown miracle-fuel is rated at 105 octane and is a great substitue for leaded race fuels.

Both of these vehicles were built at our COBB Tuning Surgeline facility and tuned by lead calibrator, Tim Bailey. For more information on converting and tuning your car for E85, visit us online at Surgeline Tuning or call us at 503-670-9500.

This STI is making 540whp on a GT35R Turbocharger, built fuel system and E85!


The COBB Tuning Surgeline GT-R makes just under 600whp with just an upgraded fuel system and stock turbochargers!


E85 Tuned GT-R vs Stage 2


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