This is a discussion on 11 second WRX within the Motorsports Talk forums, part of the Community - Meet other Enthusiasts category; Originally Posted by EJ257 7cm^2 hotside On the 2.5L, it's mismatched. With an EWG, the top-end choke can be negated, ...
Aside from the fuel and exhaust mods, what else would you suggest? Forged internals yay or nay and if so what brand?
Which clutch and how much power/psi should I shoot for?
2006 WRX: For sale so I can get a damn mortgage.... bleh...
1970 Beetle: Upset causing sleeper
Full exhaust (PnP'd exhaust manifold or headers, EWG, TBE, and possibly TGV-deletes)Originally Posted by FUJIcar87
Full intake tract (intake, post-MAF hose, turbo inlet)
Quality intercooler (TurboXS, APS, Spearco, Perrin, Hyperflow, Process West)
Quality gauges (Defi, Greddy, Omori)
Fuel (injectors / fuel pump)
If the motor is working, don't fix it. 20G doesn't guarantee a blown motor.
Clutch - keep OEM until it goes. After that, they have torque ratings for a reason, use them. While you're there, you may consider a lightweight flywheel.
As for #s, call the shop tuning the vehicle and ask them what a 2.5L 20G setup normally makes, as they will give you the best idea since they know their dyno / tuning best. As for PSI, no one can answer that. You can bring your car to two tuners, and have two different tunes. Some prefer lower boost / higher timing, some prefer higher boost / less timing.
That's not taking into consideration upgrades that should be done to the driveline, suspension, and brakes. Your vehicle is a system, and should be upgraded all-around, not focused in a single aspect (especially if that aspect is power).
Last edited by EJ257; 03-10-2010 at 06:19 AM.