02 impreza RS by TwinTurbine
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This is a 2.5L RS motor with 2009 STI Nitrile coated crank, STI rods, bored to 100mm w/ custom pistons from TWE. CR is 11.7:1 Running 11mm oil pump. WRX Oil Pan. Throttle Body bored to 62mm, also w/ Throttle plate mod. 2.5" Exhaust front to back with High Flow Racing Cat. ACT 12lbs. flywheel and Exedy stage 1 clutch.
234 gallery views
2006 Subaru
Impreza Outback Sport Limited
Now that is a sweet lookin rebuild on a 2.5 na!!
2002 Subaru
Impreza 2.5RS
Scofidio, thanks for the link. I purchased the DVD's. I have only ever seen Subie Sport once in Chapters years ago here in Canada. This will be a great addition to the library. I can't wait to see what they did to build theirs.
My calculations show a 103mm sleeved bore an 81mm stroked crank, flowed heads and a 70mm Throttle body, and 11:7.1CR = 300hp easy!
Thanks again.
2011 Subaru
Impreza WRX
A few years back Subie Sport Magazine did a build on a 2.5RS, kept it normally aspirated. Their goal was to see if they could hit the 300 HP mark and make it as fast as an STi while keeping it N.A. If I remember correctly they did it and documented the build well in the magazine. You can buy all the issues of Subie Sport which come on one massive DVD-ROM. Here is a link if that helps:
http://www.subiesport.com/
2002 Subaru
Impreza 2.5RS
Yes the car will be kept N.A. This is a low budget build in N.A. I have another build in mind, but not sure if I'll get to it.
It's a 300Hp N.A build for the future...yes it can be done. This one will not be300hp.
2011 Subaru
Impreza WRX
It's been asked.....but not answered yet......Keeping it Normally Aspirated?
Bug Eye Surprise???
2005 Subaru
Impreza WRX STI
Love me some blue ridge pearl.
1991 Mazda
Miata MX-5
Are you planning on keeping it na?