Engine oil Mobil or OEM FORD

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 FORD Engine oil

5k Ford motorcraft synthetic oil and filter. Bought my truck at 61,000 and it has 75,000 on it now. Love that 3.5 eco boost. Had a 5.7 hemi Ram prior and the 3.5 eco boost outperforms on every level.

Pros: Love that 3.5 eco boost
Mileage: 120700 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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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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