Ive been using 5w40 for 100k miles and my engine is happy as can be. It actually is noticeably smoother with thicker weight
I've tried various combinations that include the mix of m1 5-40 with 5-50 but have now for many years kept it simpler w/ Mobil 1 5-50 every five thousand miles. It purrs as one would expect from a 195,000 mile 996 Turbo.
My Saab (2003 9-5 Arc Wagon 3.0 turbo) has a sticker that says Mobil 1
To be honest, the mobil 1 ESP 0w-20 is a fantastic oil and meets those specs and is at walmart for $8/qt
My oil report on 0w30 mobil1 esp looked good. I'll keep using it. Mix of track and daily duty.
Seeing good results, lower heating, smoother functioning with Mobil Super Moto 15W-50 Synthetic Technology Engine Oil.
I was riding in the Himalayas where low-gear, high-acceleration could not be avoided and decided to try this. Noticed better performance, lower heating and decisively moved away from RE's semi-synthetic.
I wouldn't limit yourself to VW brand oil only if another "approved" oil is cheaper. VW has a document listing which oils meet their spec. I use the MOBIL 1 Esp x2 (it's on the list) since the 5 quart bottles are usually cheap from Walmart.com.
I’ve ran mobil1 5w30 for a few years now with oem filter on my 1990
I do this on my Q5, I started using like half a quart of cheap new sacrificial oil to mix up the bottom of the pan and extract as much black oil as possible. I almost had an issue with the extractor tube getting stuck in the engine l, but I was able to get it out with a bit of force
My free oil change just ended And I switch to mobile 1 for this oil change. The result is i got worse gas mileage with the moblie one oil. Like 5 MPG worse.
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