car misfires at about around 3000rpm once it passes that the cars fine had this problem for a few months now.....before the MSD ignition and newplugs one spark plug does get some oil on it...??? could that be wuts causing it? if so wut is it and wut can i do....change the head gasket?....could it also be my valve seals? mostly does this when the cars cold after its warmed up then its fine....somtimes...has done it occationaly when the cars warmed up and just a little rested..PLEASE HELP!!

 

Well first of all it is never good when you get oil on you plugs , Second of all i would take the msd junk off your car and see if it still does it