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Old 05-12-2014, 08:40 PM   #58 (permalink)
hypermiller somewhat.....
Join Date: Oct 2013
Location: nova scotia
Posts: 70

Sierra - '13 GMC 1500 SLE
90 day: 12.24 mpg (US)

Cruze Eco - '15 chevrolet Cruze Eco
Team Chevy
90 day: 46.52 mpg (US)
Thanks: 1
Thanked 6 Times in 6 Posts
I am changing my oil once every 16000 kms using 0w-20 full synth, without worry. Nearly all of my trips are at least 10 kms on the weekends with 10 100km trips during the weekdays.

I am not sure how much oil analysis costs... changing oil at manufactures interval allows for normal driving and buffer to harsher environments. In theory condensation is not a concern for me. I sustain extended periods of a hot engine. It might be risk for you and your short trips, but I don't see it as a justification to shorten the interval. That number of oil changes must really add up in cost...

The three month deal diappeared a while ago with GM, maybe other manufacters too. my truck which is 2013 is expected to get fresh oil at the warning indication or once a year which ever is first. I just changed it at 8700 kms, 10 months, thanks to my wife 7 km trips back and forth work in much the same environment as you.
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