COBB Tuning - Surgeline STI makes 550whp on E85!
COBB Tuning Surgeline tuned this 2007 Subaru WRX STI Limited on E85 with a
35R and a highly modified fuel system. E85 continues to be popular with
automotive enthusiasts looking to use a cheaper alternative to leaded,
high-octane racing fuels.
Subaru STI - 10.85 @128 Daily Driver on PUMP 93 oct.
Atco Dragway, 4-17-10 (CLICK PULLDOWN FOR BUILD INFO)
My best of the day was my first pass at 11.16 @ 125, and I had (4) more
passes under 11.4. I pressed my friend and tuner to work it harder.
Car: 2006 STI 2.5L
Street tires - full weight
Tuner/Shop: Junior2JZ / The Shop, Norwalk, CT
Dyno Info: Dyno Dynamics (1.2 CF)
Peak HP at RPM: 500hp @ 7000rpm
Peak Torque at RPM: 420ft lbs @ 4700rpm
Fuel: 93oct Sunoco unleaded pump - Nothing more
Engine block: Headway Performance cast iron sleeved, O-ring & balanced
Pistons: Wiseco HD
Rods: Manley turbo-Tuff
Oil pump: Cosworth
Engine bolts/Studs: ARP
Cyl heads: OEM Valves & ports. Decked surfaces
Cams: Kelford 272 w/valve springs
Intake manifold: 2007 w/ TGV deletes
Injectors: 1050cc Bosch w/Perrin fuel rails
turbo: Rotated HTA3582 (GT35R) w/.82 Exhaust housing,
HTA: Aluminum compressor rotor
Exhaust: Perrin EL header & components
Tial EWG internal reroute
AMR FMIC w/intake plumbing
AEM Standalone EMS Computer
Clutch/Flywheel: Clutchmaster Stage IV / Aluminum
Thanks for watching! Coop
2008 STI VS 2006 STI
Me racing my buddies 2008 STI.... 08 has straight pipe 3 inch cb Exhaust, aem intake, 19psi......06(mine) has
vf48 turbo, tial 38mm ewg, tial bov,
invidia tbe, spt intake, turbo xs
fmic,walbro 255 fuel pump,ngk one step colder plugs and protuned at
19psi... crapy camera man, lol. we started in 3rd gear at 50mph..i pulled
on him right off the start and really hard half way into 4th..fun
race..nothing more fun than a subaru :)
2011 STI Rotated GTX3576. First startup
2011 Impreza WRX STI
2011 Impreza WRX STI. Short Block built by Spec Ops Motorsports in
Fayetteville, NC with headwork done by HeadGames using CP 9.0:1 Pistons,
Element Tuning Rods, ACL Race Bearings, a full GSC valvetrain and GSC s2
camshafts helping to spool up a GTX3576r on a rotated kit by Extreme turbo Systems using an ETS FMIC and 4"
Car will be tuned on full speed density by Matt Franks once the motor and
clutch are broken in.
Many thanks to Matt, Kerry, Sean, and Omar at Spec Ops Motorsports.
600+whp "STIROID" Built Sti 280 cams cold idle
"STIROID" Build. Long list of parts. Brian Crower Stage 3 Cams, Invidia N1
Tuned by Aaron @ Boost Controlled
I built the engine myself the "knocking" sound is the pistons. 0035" PTW
clearance when cold will make that noise on Subarus because the pistons are