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Old 08-02-2007, 07:34 PM   #1 (permalink)
S2000T
Junior Member
 
Join Date: Oct 2006
Posts: 11
Water/Alcohol Injection

For all you guys out there using Forced Induction, thought I would let you know the results I have achieved with water/alcohol injection.

I saw the Coolingmist system advertised on this site, and eventually purchased the trunk mount S-HSV system.

My reason for purchase is that I am running an HKS3240 turbo at 10PSI with STOCK internals, and the Japanese compression ratio of 11.7:1. Although I havn't had detonation problems, I wanted to be sure. Water/alcohol should boost the octane racing and clean the engine too, and is easier to run than switching to high octane and hard to find race gas.

The install took about 4 hours, and was fairly straight forward with no major issues.

I have attached some photo's showing the tank mounted in the trunk. The injection nozzle is welded into the inlet pipe just ahead of the BOV and on the underneath.

I had the car dyno tuned, and wasn't looking for a power increase, however power increased from 253kw at the wheels to 270kw running a 50/50 water/alcohol mix, that's 425hp at the engine. I assume from the cooling effect of the alcohol.

So great kit, I have been very impressed and I think well worth considering.
It should stretch the life of the engine and the power increase is a bonus.
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