Agree on the injector. often it will make a knocking noise and unfortunately excessive fuel will wipe the liner out along with the piston. Happened on a friend's cummins 5.9.We have some good experts here on the site but metinks a dripping injector might do that!
Now it's decision time how far you want to get into it....1 piston, rings and liner.....or 6 pistons, rings and liners....and mains...and rod bearings...decisions, decisions.
I do recommend the 12 point connecting rod bolts, though. I sourced them from a tractor place el cheapo...The White 2-155 and 2-135 are the LDS and LDT equivalent engines and some parts are interchangeable.
Not affiliated, but the price seems good: https://www.agkits.com/hercules-478-diesel-connecting-rod-bolt-40-1091706.aspx
I've seen them go for double that.
The tractor main and rod bearing sets also work for the LDS. Tractorjoe.com is another source.
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