I repeat, I machine a counterbore into the liner seat .024", or .058" deep, for the shim to lay in.
You say dissimilarmetals caused it. The liner and the block are similar metals. I an cutting the bad ones, for stainless steel shims. That seems...
Put the fuel return line, from the head, into a bucket of diesel fuel. If bubbles come through, your injector seats are most likely bad. I...
Smoke on start up. O-rings burned up. Carbon build up on injector barrels. Air in fuel system.
Your injector seats in the head, are bad. I can machine them, in-frame.
Just machine .080" off of the tops of the 18:1 pistons, and you have 16:1.
I've repaired many, with just those symptoms.
need to replace injector tubes, to replace o-rings. head must come off.
Thanks
Bad injector cups cause fuel in the coolant, not coolant in the fuel. Injector cups do not even touch the injector. They will not cause a miss.
What are the symptoms of your injector cups failing?
Truck Engine Machinist
I'd be interested in more info on this. Thanks
I am now fully convinced, that Paccar has a problem, with soft counterbores on front and rear cylinders.. I am finding many,many, times, that the...
N14 is a press fit, right below the counterbores. They use o-rings at the bottom of the liner, and brass sealing rings, under the liner flange....
Call me. 717-368-8532
I do not know. I also am curious.
Cummins got away with brass in the N14, because, the liners were a press fit, in the block. The ISX liners, have .005" clearance, at the...
If you measure the counterbores, you may find that they are not worn much. If they are within. 001" from side to side, I can sell you stainless...
