john banks |
04 June 2002 07:21 PM |
Nice car to tune up. The WRX RA AFAIK does not have the forged pistons of the STi, but other than that seems to share a lot of other components. Most people seem to stick below 360 BHP on standard internals either STi or non-STi in the UK, and there are quite a lot more around the 320 BHP ball park.
Sounds like you already have some nice breathing mods. They are of course mapped for 100RON fuel and the response to knock is a bit weak and they run a lot of advance. You might unlock a good bit with a remap - options for self tuning include the Link ECU - which thankfully comes with a map to get you going unlike some of the generic ECU options. You may wish to consider a front mounted intercooler and possibly a larger turbo too. However, without forged pistons I wouldn't want to go over 7500 RPM rev limit personally, so don't go too big and then not be able to make really good use of it.
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