synthetic oil in older newell rear end
does any body run synthetic oil in there rear end? I don't know if it would hurt a older rear end or not.
Jeff
How about running partial or full synthetic gear oil in a bus conversion or luxury motorcoach rearend or differential? Would this be feasible whether or not the custom motorhome was an older or later model unit? Do certain manufacturers recommend for or against synthetics on larger vehicle's?
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1978 39 FT. Newell Classic
Jeff & Leann Shackly
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