i a from stamford, CT> between autozon, wallyworld, a JJJ smal auto store, and an advacned auto, a few miles form me, the first oil that sells off the shelfs, is moblie1, usually 5w30. 2nd woul be, castrol dino, 3rd would be, kendall, 4th sould be havoline. i ALWAYS see valvovline stocked to the edge fo the shelf, looking like it was never sold. quaker state, and pennzoil, moblie dinos, and motorcraft dont move that well. supertechs flter sections is alwasy 75% wiped out, autozone, people are buying hte new autozone oil fitler,s instead of mobile one now. i see pureolator pre 1's empty from time to time, bit as for the others, they jsut seem to sit their. AA filters sell more than frams do, at least at that store. frams barely seell form wallyworld, however the X2 fitlers are usually empty, ir i find other cheaper oilfitlers in hte expensive x2 casing ; ( switched=stolen