COSWORTH SUBARU STI 513hp iCAR

A Cosworth Subaru having fun at the iCar track in Mirabel...

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[tonygirardin]

Not that I know of... It's a race circuit just north of Montreal Quebec, where the old Mirabel airport used to be. Now it's mostly cargo flying out of there...

[tonygirardin]

It's 2004 with a stock hood. I think the 2004 scoop is a little bigger than 2006...

[saabgt3]

I'd say the gtx35r, it's a sick turbo. anti lag on a toggle switch to reduce lag?

[tonygirardin]

@saabgt3 Thanks for the advice. I'm thinking either a GTX-35R as you propose or a Borg-Warner. I was wondering if a GTX-35R top mount would be better than my GT-30R front mount... It would certainly have more response...

[tonygirardin]

Help! For those who know more about subies than I, what turbo would you best recommend as an upgrade to a GT-30R? I was thinking GTX-30R but I was told the difference is not huge. I was thinking GTX-35R but I don't want more lag than I have now. I looked at the Borg Warner broducts but it seemed complicated with my current piping. I am at 3 inches thru but was told by Cosworth that 3.5 inches is the ideal size. 4 inches is overkill. If I change to 3.5, what is best turbo please!?

[tonygirardin]

Thank You! Thank You!

[aetechllc]

Big, big turbo, listen to the whine! Pure music!!!

[tonygirardin]

If you have the original engine, I would aim for 380 hp, not more. You can have a lot of fun with that. Keep the intercooler top mount. You need to get headers with 3 inch pipe all the way. And you need to get your car programmed. That will take you to about 350. You can also get of Blow Out Valve and eventually a slightly bigger turbo that will take you to 380 while keeping the car reliable. If you push over 400, think that you might need an engine swap :-)

[TheCHEVYGUY95]

That sounds amazing!

[thizzlemania91]

Sounds like he has a bunch of change in the car when turns lol

[airglide12]

your blow off has a lot of flutter, not too good

[glock868]

i thought ICAR was for collision repair training???

[djhasselt]

awesom. is this a 2006 sti? and is this stock hood

[BLAZEDGODD]

@tonygirardin waste gate? lol

[Barclay318]

@mike94716 or i have a evo 6 with no blow off or waste gate it some how blows thro my air filter think its a standard thing for the evo its not loud but its got the noise, not sure about subs tho maybe wrong just an idea ps my evo is stock without any mods except evo 9 interior thro out im no mechanic :)

[fNinjb06]

Holy surge batman!!!