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Are you referring to Evan's NPG+ coolant? It's a propylene glycol based fluid that you don't mix with water. As opposed to the ethylene glycol that we mix with water. I have heard good reports from secondhand sources but never used the stuff myself. Heard that truck fleets use it mostly. Try it and let us know.
I have had good luck with: water + water wetter + little bit of antifreeze, myself however.
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In a fit of 16 year old genius, I looked down through the carb while cranking it to see if fuel was flowing, and it was. Flowing straight up in a vapor cloud, around my head, on fire.
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