The Klotz is the real deal, but it is NOT Nitromethane, it is Nitropropane, very similar in power gains to the methane, but it WILL mix with gasoline (or alky). Also worth noting, that 4 ounces to a gallon mix, was actually only 2 ounces of Nitropropane. The Klotz is a 50/50 mix of Nitropropane/Koolinal. Koolinal adds nothing in the way of power, it simply lowers the combustion temperature slightly.

 

Klotz nitro is nitropropane and it mixes with gas which I'm on.

I'm useing my dial-a-jets for my extra jetting, so when my extra tank of NITRO/GAS mix is turn off, the dial-a-jets don't work so I'm back to regular jetting.

I use this in the improved class, in the modified class we go to aLKY/Nitrous oxide.
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My disclaimer: USE AT YOUR OWN RISK.

 

HMMMM>......