Mine is only 24 ft. I do not pull anything with it. I havent reached the first 7500 miles yet. But haven't changed oil since I purchased back in May of 2019. Oil is actually light brown color. My trips are short. Living in S FL we have only gone to areas within our state. The furthest we've gone is about 550 miles round-trip on it. We are planning this year to get out more. So you think going full synthetic in my case worth it?
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