Quote:
Originally Posted by gussyturbo z
Hey man I have the stillen sc kit with aem meth kit. I have learned that it does not make any power. We had the car on the dyno at uprev we made a pull on the meth and lost 20whp. I don't know how it will work on a turbo setup but on mine it was not a good gain. But it does make some cool fire out the back of the pipes! Good luck man!
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In my experience water or water/meth will not by itself will not add any significant power. While you would expect some due to the cooler combustion the mixture displaces some air/fuel so its about a wash.
Why then use it?
1) Added to a correctly tuned engine with no tuning changes it is the best insurance against detonation.
2) It allows you to increase timing and reduce fuel both of which add power. The down side is that you are then relying on the system to protect the engine so it had better be bullet proof.