Jeffrey Hill, Male, 26, Millwright at a Taconite Mine, Buhl, MN
Mobil 1™ 5W-30
No. of years owned:
I have owned this truck for about two years. I bought it with 40,000 miles on it and the day I got home from the dealership I put Mobil 1 in it. As you can tell by looking at the truck it's not stock; it has an intake, dual exhaust and an edge programmer. Mobil 1 is the only oil I trust for how hard I work my truck every time it comes out. It's all I run in my 2004 (Subaru Impreza) WRX and my 2008 Silverado.
Using Mobil 1, I have noticed better startups in the winter and better gas mileage. Also, the first few times I could tell how much it had cleaned my motor; it was filthy at 4,500 miles and now it's getting cleaner and cleaner as I change it more and more. With the WRX I am not sure of the difference, but I put a newly built motor in that and started Mobil 1 the day that it got home from the shop. The gas mileage with the WRX I'm not sure of; I've seen as bad as 16 mpg and as good as 28 mpg, but no motor problems with how hard that vehicle works either.
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