Quote:
Originally Posted by pwpanas
Glad to help.
By "w/m inj kit" I assume you mean a water/methanol injection kit. Methanol is one type of alcohol. So a "w/m inj kit" is the same thing as an "alcohol inj kit".
For 600rwhp I recommend pure 100 (motor) octane unleaded race fuel. A "w/m inj kit" should work fine too, as long as it's properly installed, well maintained, and regularly tested. If the turbo you choose is capable of more than 600rwhp (which I hope it is not), your boost control will have to be rock-solid.
Again, you don't want the soap and the bug-melting chemicals in windshield washer fluid running through your w/m inj pump or your engine.
I recommend 90% alcohol/methanol, and 10% water for your optimal horsepower & octane boost. 60% water & 40% alcohol is cheaper, of course and perhaps slightly higher in pure octane boost (but octane does not = horsepower). However, you loose too many BTUs of heat with 60% water...and therefore too much horsepower is lost along with that reduction in heat! 60/40 might be fine for some ricer honduh or 'billy rustang owner (no offense) trying to put a hitch in his giddyap, but for an Mkiv Supra Turbo run 25psi+ of boost, it just isn't optimal.
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Wait,this makes me confused
...so if i run JUST race fuel,can i drive without the water/methanol injection kit(is it no longer necessary?
By race fuel what do you mean?Pure race fuel(found near the tracks) or fuel with high-octane number?