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| My experience is on an 855, if you do the heads petty soon you will need sleeves and pistons. If you do sleeves and pistons, pretty soon you will need heads.
I for sure would check you air intake for leaks. That sleeve looks pretty wore for the hours.
I will say, Cummins use to show things way worse than that and putting them back together in the books I had.
Full disclosure, my experience was truck engines.
I have done a cam in one. It is not hard to do at all if you have a good manual.
We used a piece of 1 inch all thread and machined cups to fit the bearing to install.
I used a metal wall anchor ( like you drive through the dry wall and then the wings swing out to catch) to pull the rear cam bearing.
One of the other guys did the rocker boxes and timed it. It took him a few evenings, but he had 0 mechanic experience.
I wouldn't think one would need the cam, but I wouldn't think the sleeves would look like that either. | |
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To rebuild or not to rebuild
