IIRC, the 6.9 had the blade connectors and the 7.3 IDI had the bullets..
I think that's right. The 6.5 uses blades too doesn't it?
Grease is the secret. That and 2 long skinny flat screwdrivers. Just put a small dab on the blade of one of the screw drivers, stick the nut to it and put it in place. Then use the other screw driver to spin it.
There is nothing more frustrating the changing glow plugs only to find that all 4 are still good Angry
I do know that I drive torque, while listening to my friends prattle on about horsepower.
I pulled the hard lines. I have to say that I swore a lot less.
I have an infrared digital thermometer for checking glowplugs like that