Hi,
First time post to the site, though I've been coming here to get info for years.
On Monday, Wednesday and Saturday I went to 2 different Walmarts and our local PEP Boys for 7qts of Mobil1 5w20 for my '06 F250XLT w/ 6.8L V10 and 5qts of Mobil1 5w30 for my '96 Buick Roadmaster S/W w/ the...