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WhiteGDA wrote:The WRX engine (SDM) is different from the STi engine (JDM or sdm) so to start with (internals, cams, AVCS etc....you won't be doing a true STi "conversion"...more like a bump in WRX power....unless you're doing an entire rebuild. Then there's suspension..........
VF30 will require at a minimum a stock STi dp and STi injectors, along with a larger fuel pump. The STi TMIC is a lesser of your concerns, but should be done in the issue of safety (against knock/detonation). You'd prob need to change the hood scoop spiltter (The thing with the rubber gasket under the hood scoop on your car) to an STi spec one also, so that the rubber gasket seals properly over the larger TMIC (imo). It helps direct air over your intercooler to improve efficiency. People try a short cut without it......(removing the rubber "seal")....but it's there for a reason....try to stick with the larger one if you can get it.
Running the VF30 on a stock WRX DP, (esp if catted) is pointless IMHO. Getting a stock STI DP is also pointless IMHO (cost wise). Run an aftermarket DP (and uppipe if your stock up is catted also).
Then of course you're going to have to tune your car (Reflash/EMS etc)....after upgrades are done....if you want to have a properly running car for the near forseeable future that is.
Forgot to mention.....the SDM 04 WRX is not a twin scroll setup (up till when last I looked at one). So the VF30 will be the "Sti turbo of choice in most cases" / better bet vs. a Twin scroll STi 04 turbo (more cost effective) as it's single scroll.
In case you're not very well acquainted with Suby lingo...here's the cliff's notes version:
1) Older WRX's / STi's used single scroll turbos.
2) Newer STi's (04 up) used a twin scroll setup. This was done in conjunction with a different header / uppipe design / downpipe design.
Since your car is most likely single scroll.....your chosen turbo will work fine.
gearbox 6speed
diff for the 6speed
JWT wrote:Knight1 a wrx box is weak
putting power on that makes no sense
if he wants do the VF30 and injectors and tune but 310 is small power people does use that on their bmx now
b18b_turbo wrote:sell d wrx and buy an STI...it makes no sense...
wen u done, this converted car will have a VERY poor resale vlaue as well
'STi-N wrote:JWT wrote:Knight1 a wrx box is weak
putting power on that makes no sense
if he wants do the VF30 and injectors and tune but 310 is small power people does use that on their bmx now
wat sh!t u talking
the 5spd could take licks.. jus hada know how to drive it
it hav many WRXs on the road with their 5spd puttin out more power than sti's and their stock gearbox still dereb18b_turbo wrote:sell d wrx and buy an STI...it makes no sense...
wen u done, this converted car will have a VERY poor resale vlaue as well
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