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Old 10-07-2012, 02:17 PM   #119
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Join Date: Apr 2003
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CEO PhatBottiTuning
2006 STi GTX3582 + Meth


Originally Posted by 07VTRex View Post
hypothetically lets say my goal is 350 whp/wtq on stock block. would the 2.5xtr be overkill for this power level? with all the discussion about it not being worth it unless high boost iis run, it seems this turbo is more of 400-450 range. perhaps i would be better of running meth on an 18g? i really dont know what to do at this point
You're not going to make 350whp on an 18g....unless you use e85.

The last 18gxtr I did on a 2.5L made 275whp

You're not going to put on a smaller turbo and make more power than you are now. You need a bigger turbo to hit 350 on the road dyno, or e85. Even with meth you may not do it. Maybe if you use an aquamist kit with dual nozzles.

If you guys are wanting to use small turbos to make big numbers you need an Omni 3 bar MAP sensor to be able to run higher boost than 20-21psi. you need at least a 70mm intake. and you need e85 or meth. And when you start push high boost, then a fmic is a good idea too. if you utilize'll need injectors
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Last edited by Phatron; 10-07-2012 at 02:49 PM.
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