Fisherman

If you can detect any "wiggle" of the valves you should replace the valve guides, then you must do a valve grinding job. I borrowed the valve grinding tools from a friend and did it myself, not a big deal, (first time for me too) then replace the seals. I was shown how to do things along the way and what I was told when I said "think i will just take it in", was "doing the valves is ONE job you can do yourself and it will be fun" If you have a friend that can help you get started and has the grinding tools, go for it. If your valves are snug in the guides, lap the valves, then have it hot tanked, new seals, and your back on the road. You might consider having the head magnafluxed for cracks, they clean it up then. Anyway it was worth it for me to learn how a valve job is done even tho I am still doing stuff for my friend to pay off the trade for the lessons. The parts in a valve job, guides and seals are really cheap. Its winter, no fishing anyway.

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1985 Euro 240D 5 spd 140K
1979 240D 5 spd, 40K on engine rebuild
1994 Dodge/Cummins, 5 spd, 121K
1964 Allice Chalmers D15 tractor
2014 Kubota L3800 tractor
1964 VW bug

"Lifes too short to drive a boring car"