Replced valve cover day before went out started it let let warm.but had problems starting drove qbout a football field and it quit took a while to get started next time drove about 5 miles went dead like not getting gas. Changd fuelvfilter took while to start again but started and drove about 4 more and quit again keeps doi g same blowed out fuel lines and checked twnk tqnk clean fuel pump pumping 40 psi new roter button but only hitting about one fire out of 10 times turning over now