The idea of regularly exercising RV (or car for that matter) engine came about in the carburetor days. Modern engines fuel injections engines do not need the exercise. Close tolerance engine with fuel injection do not suffer from oil dilution. Since 90% of the engines wear in in the first 15 seconds of a cold start, that is about the only thing that I can think of that would tilt you either way. Your RV engine was built to withstand the riggers of being parked outside for 200,000 miles (remember it is a truck engine). To confuse Cumnins recommend exercising their Onan generators.. The reasons given for that is to change the gas in the carburetor and to dry out the stator in the alternator. Strangely the tires need to be rotated every 45 days or so if weight is on them. So I guess everyone has an opinion.
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Jim & Roy Davis
2016 Hurricane 31S
1961 Rampside in tow
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