Quote:
Originally Posted by GreenZLE
I think many people change at 500 because new engines shed the most metal very early in the break in period but that wasnt in my manual or at least I didnt see it.
Personally, I changed just the oil filter in my 2020 ZLE at 500 miles, then the oil and filter at 1500 miles. I never go under about 50% life on my oil changes ever since the first oil change.
I also changed the differential oil at 1000. The diff oil was very dark with lots of metalic in it. I changed it again after another few thousand miles and a day at the track.
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Do you think people are just stuck doing what they always have? IM getting to be an old timer myself and I remember it was every 3000 miles then 4000 then it got to be 6000 and now most cars are 7500 miles. My civic i had was 10000 miles for oil changes. I think its hard to let go of what we have always done? I mean these companies invest millions to research and warranty the stuff I know they don't want to repair anything so why would their recommendations be wrong? Even so once my oil gets to 3k I start getting anxiety and the overwhelming need to go change it LOL. but hell with the ZL1 using 2.5 gallons of oil and the oil change pushing well over 100 bucks Im a little less inclined to change it so much.
do you feel the diff oil is necessary? or was just a personal preference?