i think heet is supplied with ethanol or iso. ethanol can destroy the gaskets, seals etc. on older small engines but i think the iso. is ok. anyway, after buying premium ethanol free gas for 20 yrs and using heet with iso. for the snowmobiles i have never had a problem. and i have a long list of ''old'' small engines.
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Bob Noffs
n. wi.
dakota hawk/jab 3300 built and flying. sold 6/18.getting serious about the 12. in the hangar now as of 10/15/19
RV-12 kit as of 9/13
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