Ok this is what im looking for out of my oil and filter. Hope yall can tell me if im crazy or not. Specs: 03 tj I6 5spd 31*1050*15 3.07 Currently: 12.3k 1st 3 changes with crap dino(@2500mi) 4th with Amsoil 7500 10w30/fram x2 @4800mi-still in there-waitin for sug. for 5th Driving: 200-275mi wk, mostly city, 1-2 long trips 1k-1.5k Fl and Va. Mild offroading 1-2 year Expcetations: I want an oil that 1st; protects/ longevity 2nd; small increase of mpg (1-2mpg??)and hp Long term plans: get 200k+ out of engine; add supercharger Alright, get all that? Anything I missed? Sorry about this being so long....but thought I'd quit messin around in the jeep forums and go to 'the oil guys.' Awesome site, I'm finding out here tho, the more I read, the less I know. Thanks for the suggestions.