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Thank you Kenny, I'll keep that in mind. Would need a separate power source to run the crane if it were to be used to swap the engines...perhaps an electrically powered hydraulic pump...

Would be nice to have a sound spectrum analyzer so that the exact details of the noise could be displayed on a printout.... You guys really know how to make a man feel guilty about doing nothing. :-)

The deuce has only been used around the yard since returning from OK with the 8x8 in tow. The "knock" is of concern, I may be a bit paranoid about it and all the people that has listened to it more or less just shrugs it off. The low oil pressure IS an indicator of something not being quite...

Did those bits and pieces collect since your last oil change? I can see that I'm in for a big job. Gotta start to think like Leonard Jones.....

From a previous analysis report, the Lead was only 13 ppm and copper 9. The iron was higher before at 104 ppm. According to the report sheet, Lead is an overlay on the bearings, so they are wearing (obviously).

Yes I did, it was posted in a different thread, but here it is.

The possibilities.... Hopefully the bearings will be all I need to change. Of course, I have made space on the 8x8 for the crane and it will get one sooner or later.

Steve Turchet has an article on in-frame rebuilds in MVM issue 113 (Feb 2006), I'll be studying it in prep for this project.

Wonder if a thousand hours at relatively low rpm has anything to do with worn rod bearings. Over the years, this engine has spent a lot of hours running the crane at 1,000 to 1,200 rpm only. Trucks in the military service may also run for long periods of time at idle. My 8x8 only has some...

Sobering, no way around it. Thanks

I'm certain that the knock is not from the combustion process, it's a mechanical sound more pronounced at the lower rear portion of the engine. All injectors have been replaced without any change in the knocking sound. Miles: 24,310 Hours: 1,460

Hate to bring up my little engine problem again, but I would like to know how close I am to a catastrophic failure. The engine is knocking, apparently on one cylinder only, number six. It has been doing this to some extent since before the California trip, 7,000 miles ago. Before and during the...