I noticed that the one time I ran 10% ethanol gas with my mild 2110, 8:1 compression type 1 my temp gauge read about 15% hotter. I normally run 93 octane non - ethanol but had buy 93 octane 10% when I got low away from my local fuel oil dealer that carries several grades of non-ethanol. After a refill of non - ethanol the gauge returned to the normal midway position which reads 215 on a laser gun. Didn't have the gun to check the higher temp on the engine. I have never read that this would happen. Has anyone experienced this?
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