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Running with Intercooler with Aux INJ

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Old Sep 26, 2012 | 08:43 PM
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Derwin
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Running with Intercooler with Aux INJ

Has anyone been running without an intercooler since they installed water injection. With my current system and the temp sensor relocated to after the IC I am usually seeing AITs of ambient +0- +5 deg c @ 15psi. FWIW shooting approx 10% of INJ duty on two 400cc INJs.
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Old Sep 26, 2012 | 10:04 PM
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Yes, there has been significant discussion of this in the aux injection section. I suggest you inject pre-turbo (at least, partially) if you are getting rid of the intercooler. It improves the efficiency of the compressor... there is anecdotal/car forum support and also published engineering papers about it.

Brian Cain of BDC Motorsports has been doing it for a long time on his 2nd gen.
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Old Sep 26, 2012 | 11:00 PM
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Derwin
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Originally Posted by arghx
Yes, there has been significant discussion of this in the aux injection section. I suggest you inject pre-turbo (at least, partially) if you are getting rid of the intercooler. It improves the efficiency of the compressor... there is anecdotal/car forum support and also published engineering papers about it.

Brian Cain of BDC Motorsports has been doing it for a long time on his 2nd gen.
I would be worried on the effect this would have on the sensor where would you locate it? Also, the effect this would have on my INJ vs AIT table.
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