Engine oil PENNZOIL or AMSOIL
My 2016 GT350R has almost 25K miles and has never needed oil between changes. I use Amsoil every 5000 miles, sooner depending on track abuse.
At the very least, make sure you're using quality oil like Mobil or Castrol or Pennzoil.
Amsoil 100%, I tested it quite a few, and I’m noticed the least amount of decoration and power loss with it
I use Pennzoil Platinum 5W-30 in my 2011 328ix (N51) I believe that is the recommended viscosity.
I use 5w-30 pennzoil ultra platinum full synthetic with the oem motor craft oil filter
I change my oil every 3k miles
5w30 Amsoil, ignore the tick it's normal.
Amsoil engine oil
Frankly, we ran 0W20 for the first 175k miles in our 2017 RAV4. I changed to 5W30 because my Turbocharged Mazda also calls for 5W30.
I've been using Penzoil ultra platinum full synthetic 0w-20, though it does burn sometimes a quart every oil change.
Amsoil is overpriced and underperforms. I’ve bought $1000s of dollars of their race oils and have slowly realized all are near the worst on market, always the worst for the coin.
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