Thanks for the reply ..... when I changed the plugs the other day I did check all the COPs for any weird issues . They did have a greasy substance on them which I'm guessing was some of dielectric grease to ward off moisture . When I changed the plugs out I did the normal routine of blowing out the holes before pulling the plugs to keep crap from falling into the cylinders ....... any way the hesitation and stumbling was happening before the plug change . Like I said the car had been sitting for about 4 years so I'm guessing the fuel was bad . I would have drained the old fuel before even running the car but the guy that gave us the car drove it to our house and I never got the chance . I'm on my second tank of gas and one set of plugs and the stumbling and hesitation is getting worse on hills and at about 45-55 . Yesterday we went for 50 mile drive and at first it was running great ...... till the first good hill then it all went to crap until we got on the freeway ...... then it went back to running pretty good . Then on the next good hill it went to crap again and has stayed that way. Today if I get the chance I'm going to try some Sea Foam in the tank and see what happens ........ then I guess a set of new fuel injectors and plugs ?