petepilot
Senior Member
does the 7.3 have hydraulic valve lifters or something solid? have one making lots of noise very similar to what a bad lifter would make also has intermittent miss
thanks ,it is auto. showing 341.000 will dig into it furtherFirst , follow Ronsii's advice.
Pull your valve covers. Some have 3 piece rocker arms. Sometimes, in an overspeed, it will spit out the ball fulcrum. Sometimes it will deform the arm itself.
This is not common when used with an automatic, its almost always when in a manual trans application.
More common is the harness/ valve cover gasket issue.
Good luck
One of the fixes that i think they only did in ford pickup trucks was the #8 injector was different then the rest i dont recall them being like that in ih medium duty trucksMine is a 2001, 270 Hp. 6 spd.
The "rod knock" is a long time gone. If it flung a rod out I did not notice the event! LOL. The "lifter" noise has been with me for about 5 years, vexes me.
During that era lots of people were attempting to eliminated the "cackl"e I think It was called