so i got valve lifters changed today cause it was ticking noise and the guy told me he didnt have a tool i dont know whats it callled to do something to the lifters so it wont make that noise so he just put them on. and he said just leave the car running and the tickin noise will go away. i been thur hell with this car i changed the flywheel starter spark plugs rebuilt the carb new power steering new eletric fuel pump . and the guy told me if the ticking sound dont go away the cam is messed up. but my question is in how long the ticking noise will go away??