Engine oil Mobil or OEM Toyota

Mobil Engine oil

My 02 Avalanche has has mobile 1 full synthetic it's entire life, and has 750k miles on the original engine. Never been opened or rebuilt. Piston slaps like a diesel on start up, but still running great.

Pros: engine running great
Cons: piston slaps on startup
Vehicle: Chevrolet Avalanche
Mileage: 750000 km
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OEM Toyota Engine oil

Just got the oil lab report back from the sample taken during the oil change I did at 15K miles. The previous oil change at 10K was performed by the dealership. So that means that whatever the Toyota dealership put in there at 10K, was not OEM Toyota oil.

Pros: oil lab report back
Cons: not OEM Toyota oil
Vehicle: Toyota
Mileage: 15000 km
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Mobil Engine oil

Mobil 1 FS is the absolute best you can give your car, in my humble opinion, but any modern fully synthetic will be more than enough.

Pros: absolute best, fully synthetic
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OEM Toyota Engine oil

Never had any luck doing an oil change every 10K miles on any cars in my fleet. However, with a new car that’s hybrid that I bought last year, I’m praying that I can push the oil change interval every 10K

Pros: praying for luck
Cons: no luck previously
Mileage: 16000 km
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Mobil Engine oil
teague142
  • Exhaust smoke:
Rating 2.0

The mobil one was like some kind of extended use oil. It said it was good to go for like 20k miles or something lol. The engine burned a quart of it in the 10k miles I felt safe running it for

Cons: engine burned oil
Mileage: 10000 km
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