My truck is driven hard when it's out, but that is only 2-3 days a week. The current Amsoil 15-40 has been in for 6500 miles--BUT, 8 months. It seldom does short trips, and I change the full-flow filter at @3500 miles. Is the time-in-service too long under these circumstances?
Thanks.
(whoops... this post is supposed to be in the "Oil change interval question" thread; I goofed up and got it started as a new thread--can't seem to delete it and put it where it belongs. Sorry. )
Thanks.
(whoops... this post is supposed to be in the "Oil change interval question" thread; I goofed up and got it started as a new thread--can't seem to delete it and put it where it belongs. Sorry. )
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