Engine oil Mobil or VALVOLINE

VALVOLINE Engine oil

This weekend, the oil that's in it is coming out (it's clean) and Valvoline Restore and Protect is going in. Rationale is there will undoubtedly be deposits on the pistons, in the piston ring grooves and ring lands.

Pros: cleaning piston deposits
Vehicle: Kia Soul
Mileage: 118000 km
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Mobil Engine oil
Vozzi
  • Warning light:
  • Engine noise:
  • Exhaust smoke:
Rating 5.0

I use 0w40 Mobil 1 all year round. I live in upstate New York, so our winters can get pretty cold at times, and summers can be in the 90s F for days at a time.

My V70 2.5T is almost at 190k miles. I add about 1 quart of oil between oil changes at 5k intervals and my car has been trouble-free since I purchased it at 107k miles in 2017.

Pros: trouble-free
Cons: add 1 quart between
Vehicle: Volvo V70
Mileage: 305777 km
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Mobil Engine oil

I just rolled over 200,000 in my 2011 5.7. I change mine every 5,000 miles with Mobil 1 Full Synthetic High Mileage 0W-20.

Pros: full synthetic
Mileage: 200000 km
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Mobil Engine oil

I ran M-1 15w50 for 10k miles or so, and my car ran 10 degrees hotter on average than with any other oil I've used. Throttle response also felt sluggish.

Cons: hotter, sluggish response
Mileage: 10000 km
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