Owner reviews for engine oil

I've been using Castrol GTX High Mileage for almost 10 years in my 2009. I've always done 10,000 mile changes and I've got 298,000 miles on it. Blackstone tests on my 10,000 mile oil say it should be good for another 2000 miles.

Amsoil Signature 0-30 ,Tokyo Roki Black Japan filter only and 5000k, soon to be switching to 0-40

I’ve used Mobile 1 in all my vehicles. Never had problems.

I put used vegetable oil in my Honda Accord 7k intervals has 380,000 miles on it

Mobil 1 in all my vehicles recently. Basically only because it’s cheap on Amazon. Always paired with a Wix XP filter though

Penzoil Ultra Platinum 0-W20 @3-4K and Mobile 1 Extended Performance Oil Filter. I like that Penzoil derives their oil from natural gas.

I'm using Valvoline 0W-20 Restore and Protect, changing every 4,000 miles. '23 OBW, 56,000 miles. FYI, I did an oil analysis at my last oil change. Wear numbers were excellent, less than 1.5 ppm/1,000 miles. 3 iron, 2 aluminum, 1 copper over 4,128 miles. Fuel dilution was HIGH though, at 4.3%. They expect 1.5- 1.8% for direct injection turbos. According to the Motor Oil Geek, less than 5ppm/1,000 miles is considered good. I do a fair number of short trips, but also some longer runs. I'm going to go to max of 4,000 miles due to the gas dilution.

I have a 2012 Camry all 10k oil changes running Mobil one exclusively and it burns no oil with 270k miles.

Ulje mannol 5w30 tdi. Isto ulje ja koristim za svoj audi. Tak da bitan je servisni interval pa mo\u017ee i srednje kvalitete ulje.

It\u2019ll be okay. Subaru engines are robust and that mix rate won\u2019t increase the viscosity enough to affect the oil flow rate out to the cams.\nPardon my skepticism regarding Castrol oils though. Haven\u2019t been a fan of them since the GTX days. The additives they\u2019d chuck in their generically sourced base oils glazed bores and gummed lifters.\nCost many a machine shop like ours a fortune in comeback work.