The Cosworth engine in this Subaru is new and just finished being broken in. A first and conservative tune raked in 491 hp on the Dyno at 17psi. The car was assembled by Lachute Performance and this is its first day on the track. Not a bad first day it was...
COBB Tuning Motorsports STI Reloaded
Follow the COBB Tuning Motorsports STI as it undergoes a complete rebuild at COBB Tuning Surgeline in preparation for the rest of the 2010 Redline Time Attack series. The car received a brand new roll-cage for better chassis reinforcement, an engine refresh from Cosworth along with a new Cosworth manifold, a larger turboExhaust housing and a redesigned Exhaust system to allow the car to be lowered without violating ride-height rules. Look for the COBB Tuning Motorsports STI to be back on track for Round 4 at Auto Club Speedway!
2006 WRX STI dyno run - 565 hp!
2006 WRX STI on the Dynojet Dyno at Mach V Motorsports.
The car was built by GT Performance of Edgewood, MD.
2.6 liter block with custom crank, Mahle pistons, Cosworth heads and cams, custom dry-sump oiling system, GT35R turbo, 1000cc injectors, APS FMIC, AEM engine management.
100 octane Sunoco fuel, 22 psi Boost.
Custom tune by Mach V Motorsports.
Fourth gear (of six). SAE correction 1.01.
Mach V Motorsports
45690 Elmwood Ct. #170
Sterling, VA 20166
SUBARU STI TOO LOUD FOR COPS
I got stopped by the cops who thought my STI was too loud. So I went to Lachute Performance to install some headers which both reduced the noise and increased power!
Thread on Subaru Forum Nasioc: http://forums.nasioc.com/forums/showt...
Engine and Power stuff:
-Locally built 2.6L
-102.5mm CP pistons "8.5:1"
-cosworth rod and main bearings
-gutted factory oil pump
-engine deck has been stainless steel O ringed to work with a SCE copper head gasket.
-DPR stage 5 cams
-Heads have seen a lot of time on the flow bench (313 CFM @ .45 lift)
-2.5 mm over sized Ferrara intake valves
-1.5mm over sized Exhaust valves
-spark plug seats have been machined down so a standard 3/4" reach NGK plug
-Cosworth 14mm head studs
-14mm studs that hold the block halves together
-Custom built 4" turbo back Exhaust
-custom built dual scroll up-pipe
-Twin Tial 44mm wastegate
-modified twin scroll APS Exhaust manifold
-Custom built large plenum intake manifold w/velocity stacks and long tapered runners.
-Infinity Q45 90mm throttle body
-Three intake walbro 255's (each 255 has a -6AN line that is fed to a fuel block and them a -10AN fuel line is ran to the engine bay were it feeds two -10AN fuel rails
-1600cc top feed low impedance fuel injectors
-10AN Aeromotive FPR
Tranny power delivery:
-ATS triple carbon clutch
-As for the rest of the tranny and the power delivery items, They are stock because he is curious as to see at what power level these items start breaking.
Suspension Chassis, braking:
-Tein Flex Coilovers
-Cusco rear sway bar
-Cusco front strut tower brace
-Carbon Cusco rear strut tower brace
-Custom cromolly cage to be installed in the short future
-factory STi braking system.
- As little as possible
- Sparco Evo L seats
- Defi gauge's
- Radio??? Radio who needs a stinkin radio
-Street--- Volk CE28Ns w/ 255/35-18
-Track--- PRODRIVE GC06H 17X8 w/ 275/40-17 mickey thompson ET streets.
-WRX hood scoop