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No idea on cause. I am going to get a take out motor $400 and just fix my issue the easy way.

Think head gasket might cause the problem?

OK I talked to a guy that worked on them some 25 years ago. He thought maybe a broken injector tip and the cylinder might be loading some until it fires. I cracked the nut on the injector on all six. One at a time. They all lugged the engine down when the fuel was squirting out. Will it...

Might be an indicator but from what little I know about the timing is the gear can move causing timing to get off. If this is true it fits what has been going on. It has slowly gotten worse and worse until now the EGT's are way high and no power with lots of smoke. I think if it was the...

I am leaning towards timing issue. How do you check / adjust timing. I have never been in a multi fuel.

WMO mainly with a hint of diesel and a little gas, not much.

Spins free

OK here is the turbo

I was running almost 100% oil. I will look and see.

Don't know how timing would get off. Have not done anything around the IP. I picked up a 977? and towed it home and might have strained the motor and caused an issue. I will check the pipe from air cleaner to turbo and if not that I am thinking replace with a running takeout and be done. By...

OK IT's F**KED. Pulled the air filter. Filter not bad, few spots but OK. Left it off. Pulled the pipe from the turbo to the flex pipe. Left it off. Turbo spins free. I can hear it spool with pipe off. Before I pulled exhaust pipe I could hear, almost sounded like compressed air, like...

Muffler is flow through type. I have not checked it for obstructions. Lots of black smoke.

OK I swaped fuel lines and bypassed the FDC. 50% better but still 50% from whaer it should be. Added about 20 gallons of high dollar diesel. Drove to town and back. Had to really watch it. EGT's would hit 13,000 really quick. Got home and let it idle for about 10 minutes and EGT's was...

OK I just noticed that the fuel line from the FDC to the head has a pin hole leak in it. Think that might be enough to cause the issue?

Why would lack of fuel cause EGT's to be so high?

Not sure what is going on here. Truck is really hard to start and RPM's are low until warmed up and still not power. If weather is cold I have to use starting fluid and still might not start. Today it started but RPM's are still slow and truck has no power. Will not pull in 5th at all...