My T/A 392 has seen 311°F. ????. I added a bigger oil cooler after that.
I was running 0w40 Amsoil Signature, no metal in the filter.
I'm a loyal Amsoil user. I usually change my oil every 5k miles. However, 3 oil changes ago, I started sending samples to Blackstone.
First Analysis: paraphrased, engine looks great
Second Analysis 5k miles later: Engine Looks great, Oil still has plenty of life
Third Analysis, another 5k miles later: everything looks great, try waiting 8k between oil changes.
I just put Amsoil High Mileage, 0w20 in my 2012 Camry to see if it will benefit my engine with 221,000 on it. I switched from Mobil 1, which I used for years changing at 5K intervals, but had to keep topping off very often. The engine flush was excellent, the oil I drained only had 1500 miles on it and it came out looking like liquid coal! So a cleaning did take place, I'll see how it goes.
5-30 Valvoline restore & protect is working wonders on my 2.5. Visibly cleaning out deposits and engine running stronger
I switched to valvoline restore and protect on my 06 is250 and it’s working great. The valves are a lot quieter compared to the previous oil I was using which was Kirkland synthetic.
I also wouldn’t run motorcraft period in my 5.0, in the words of a friend who’s a master mechanic “they sell cars not oil”. Just some food for thought, I did run it until he gave me this one line, I now run amsoil and my 5.0 and 6.2 and 3.0TT are all much quieter, for what ever that’s worth
Me running 5w50 Amsoil SSO full synthetic or 0w50 Eneos or 0w40 Amsoil SSO if being used in winter (down to -40F, and yes, I've driven these cars down to that cold)
Synthetic is better, always. Higher not viscosity has better shear protection. A good additive package that has great shear protection lets the housings wear slower.
Quaker State oil is recommended in the Hyundai manual but you can absolutely use other brand too , i have used Mobil 1 / Vavoline / Castrol and Pezoil the end i picked Valvoline high mileage Synthetic oil the best of all all other brand the oil burn brown quickly
I used vavoline for my second oil change and so far so good
After not being very impressed with Amsoil 5W-30 after a 5,000 mile oil analysis, I'm going to see how this stuff looks after 5K.
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