The oil that Wal-Mart uses for their oil change is the Supertech (Wal-Mart Brand). You can buy this off the shelf for barely more than $1 per quart!!!

So, they are spending essentially less than $10 on oil and I bet they don't use an OEM filter and they are charging you more.

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Ali Al-Chalabi

2001 CLK55
1999 Dodge Ram 2500 Cummins Diesel
2002 Harley-Davidson Fatboy
Merlin Extralight w/ Campy Record