I use Amsoil in every vehicle with an engine that I own...this has not changed for 25 years. Amsoil is so good I'd pour it over pancakes if I ran out of syrup.
Pros: Extremely good oil
Owner reviews for engine oil
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I use strictly Redline oils for all my fluids except premix. Engine oil is Redline 10w40.
Vehicle:
Mazda
I use 10w40 full synthetic oil, and only the best quality stuff. Valvoline, Castrol, Pennsoil, Mobil1, Idemitsu end the like. Before my rebuild, I was using Idemitsu Rotary blend but switched to Castrol GTX. The GTX semi synthetic blend had a slightly lower oil temp and lasted longer per oil change than the Idemitsu, indicating that it was lubricating better.
Pros: lower oil temp, lasted longer
Vehicle:
Mazda
I think you will find out Castrol EDGE® Euro Car 5W-40 A3/B4 Full Synthetic is a better all around oil then and oil I’ve owned Volkswagen all my life and that’s all I’ve ever run in my vehicles never had a problem and if you want to run the 10,000 miles between oil changes this oil will handle it
Pros: handles 10,000 mile changes
Cons: none
Vehicle:
Volkswagen
Mileage: 10000 km
I keep a running supply of pennzoil ultra platinum 5w30 around as 4 of our vehicles use it. I start to worry when I have less than 10 quarts.
Pros: used in multiple vehicles, reliable supply
I'm a big Brotella Bro. I've used Rotella T6 in my WRXs, Miata, sport bikes, and dirt bike.
Pros: used in multiple vehicles, strong endorsement
mobile 1 is a good brand. id go with it
Pros: good brand
On a side note, if anyone really wants to see what their oil change interval should be, just get an actual oil sample analysis done. Per the lab reports, I can get 8k miles on quality synthetics and still have a good safe margin for oil life.
Pros: good safe margin
Vehicle:
Ford Mustang
Mileage: 12875 km
Ford is telling me to change oil at my Focus every year or every 15000km (9300 miles)
Vehicle:
Ford Focus
Mileage: 15000 km
Well, some manufacturers do have way shorter oil change intervals than Euro manufacturers. The Subaru severe driving interval is 3000miles/6 months, and I do lots of short trips in a desert climate so I usually try to be around 3-4000 to stay on the safe side for warranty and whatnot.
Vehicle:
Subaru
Mileage: 4828 km
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