Quote:
Originally Posted by Road-Runner
Any issue running synthetic in these engines? Mine is a (new to me) reman so it already has way more than enough hours to break it in, but a cooler running oil can't be a bad thing I wouldn't think.
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If you peruse "bobistheoilguy" there are threads on splash engines, many being that MFGs often recommend non synthetics. More recent engines they say either will work. I've run synthetic in splash engines for years without any issues.
Viscosity and shear are important and synthetics tend to last longer, so the real answer is, no one has ever shown that a synthetic in a gasoline splash engine is a problem. Run what you want to run as long as it's not some no-name cheapo brand you found at a flea market.