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switching back to conventional after using synthetic?
ive always used conventional oil in my truck (rotella 15w-40) and i switched to rotella synthetic on the last oil change. went to get oil today and they were out of synthetic so i said screw it and got the 15w-40. would it be ok to switch back? thanks dan- PSDan000
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- Forum: 7.3L Powerstroke Diesels
