Forum Discussion
wintersun
Jun 26, 2013Explorer II
Complete waste of money to use synthetics with oil changes intervals of less than 10k miles and destructive to use a 5W motor oil which is what most of the diesel oils are rated at. Only benefit to a 5W-40 is driving in subzero temperatures much of the time.
Heavy towing is considered "severe duty" and it can decrease the service intervals by as much as 75% (if you have severe duty and dirt or offroad conditions). I reduced my service intervals by 50% as half the miles on my truck are when it is used in this fashion.
Heavy towing is considered "severe duty" and it can decrease the service intervals by as much as 75% (if you have severe duty and dirt or offroad conditions). I reduced my service intervals by 50% as half the miles on my truck are when it is used in this fashion.
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