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Go Back   IWSTI.com: Subaru WRX STI Forums > IWSTI Engine & Drivetrain > 2.5 Liter/Litre Factory Motor


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Old 09-01-2005, 01:16 PM   #16
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just make sure you replace the turbo inlet pipe,anything bigger than a 20g or green.
sz49 will not fit the stock turbo inlet.375 whp on a 20g is awesome numbers,best i was able to get on pump was 359whp.
dave


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Old 09-01-2005, 02:49 PM   #17
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Thanks yeah that is why I am going with the 20g. I dont want to trash my current CAI...Thanks guys for all of the help!!!

Any other thoughts about interal waste gate? I would really like to stay with one vise an external....

Jay
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Old 09-09-2005, 10:19 PM   #18
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I have the RED installed and I absolutely love it!!!!!!! Full boost at 3800 RPMs for a turbo of it's size is GREAT!!!!

Quote:
Originally Posted by AdamBlitzer
i am in the same boat. the deabolt 20g looks awesome.. but for only 75 whp... not sure.. i am concerned with relibility and such. i heard the red is awful to drive on a regular basis.. can anyone agree or disagree? thanks.
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Old 09-09-2005, 11:11 PM   #19
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I say go FMIC and external wastegate plumbed into the DP with the 20g. Great power, great spool, great reliability.
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Old 09-10-2005, 12:13 AM   #20
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Originally Posted by Subaru of Gwinnett
There are plenty of Green's and 20G's running around out there on internals. We've done a couple with the Perrin DP's with no problem, a full bellmouth would make it even easier to control... Make sure that the boost source nipple is on the outlet of the compressor and you should have no problem. If the nipple is at the beginning of the snail they are harder to control...

My present favorite setup is a 20G with a stock tmic and quiet tbe... a TXS tmic makes it even better

SS
Tell us more about your favorite setup again!

Aftermarket TBE:
20g turbo:
Fuel pump and Injectors:
engine management (ap for me):
K&N typhoon intake:

All else stock, what is the most hp and tq that one could expect from a setup like this??

Thanks,

Adam
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Old 09-10-2005, 05:54 AM   #21
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I think you will have no problems with an internal wastegate on the 20g. I was going to go external, but its not a cheap endeaver with upipe modding and installation. Anyways, if thats the turbo you'd like, get the big internal from DB while ur at it with the proper spring. If you are looking for 350whpish thats really a great turbo for the under the curve power.

DB 20g with internal gate + TurboXS 4' d/p = good so far


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