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Guest Message by DevFuse

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need advice! subaru eg3.3 svx motor. turbo question

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7 replies to this topic

#1 gary


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Posted 08 May 2009 - 06:01 PM

i would like to put a stock wrx tb 04 turbo. and set the boost at 5 pounds. i have 36 inch equal length headders, ems computer, it dynos 270 horsepower as is. would like to add 40-50 horsepower. ive heard alot of stories of the 3.3s internals not being strong enough to handle boost. i am wondering if anyone had turboed a 3.3 or blown up there 3.3 with too much boost. With only 5 pounds, do you think i would need an intercooler?

Posted Image



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Posted 08 May 2009 - 10:40 PM

OMG that sandrail is badass!! I think the EG33 can handle 5 lbs no problem. Some dude was selling a supercharger kit on this board and said 5 lbs is fine with a stock motor.

#3 gary


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Posted 09 May 2009 - 04:46 PM

thanks do you know where i can find that information on the superchager

#4 TheSubaruJunkie



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Posted 09 May 2009 - 04:58 PM

An intercooler will help no matter how little boost you are running. You will definatly want to install one with this pplication.

#5 NorthWet


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Posted 09 May 2009 - 05:36 PM

thanks do you know where i can find that information on the superchager


For (lots) more information, you might want to check out:

#6 idosubaru


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Posted 09 May 2009 - 06:54 PM

there's a number of online vendors of svx EG33 turbo/supercharger products too, or there used to be anyway.

#7 gary


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Posted 13 May 2009 - 06:52 PM

I have a td04L turbo if i put it on my 3.3 and set bost 4-5 will it just fall on its face? or I can buy one more and run 2. Ihave 10-1 com. I have the red injectors do you know the psi it puts out? Iwil be runing 105 gas . can I add one injecter to the intake ? I will get the car dynod i have a ems computer.

#8 970subaru


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Posted 03 June 2009 - 03:55 PM

really cool rail, how much travel?
a wrx turbo would come on very low(off idle?) and fall off low too. way too small for your app. IMHO. that turbo is for a 2.0L and 227bhp at like 11psi. it would be blowing really hot air on the EG. two TD04's would be good. get a bigger single turbo like a holset HX35 and methanol/water injection kit then maybe 12-15 psi. chemical cooling=no need for intercooler. with 10-1 and boost that thing is going to rip.
also for low boost an eaton M90 supercharger off a ford 3.8 supercoupe would be a good fit for the 3.3L and they are cheap to buy you just have to be able to do your own setup.

Edited by 970subaru, 04 June 2009 - 12:57 PM.

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