Posted by JD Seller on September 22, 2013 at 20:55:17 from (208.126.196.144):
In Reply to: Engine knock, Ford 660 posted by davisford on September 22, 2013 at 18:56:15:
I would drop the oil pan. You can see real fast if something is out of sink there. These little Ford engines are not too expensive to overhaul if you do not have to have the crankshaft ground.
When they where being used for serious farm work it was not uncommon for them to be overhauled every 3-4 years. The rod and main bearings would be worn pretty bad.
Used to see a fair number of them with holes in the blocks because of worn rod bearings. They would get worn where the rod was lose. The the stead slap when running would pop the rod cap off and then the next turn the crank would knock the rod through the side of the block. Many times you could patch the block and rebuild it and drive on. The hole many times was not in the water or oil half of the block or even in any of the main webs if it.
SO I would drop the pan and check the rods and main bearings out first. The reason being that running it even just few more minute may ruin the crankshaft or block. Right now you may be able to just do an in frame overhaul if the crankshaft is not worn too bad. This can be done just about anywhere.
Years ago my Neighbors farmed with six of the Ford 4 cylinder gas tractors. They would do their own overhauls in a dirt floored shed. They had a stove in there and would work on them in the winter. One spring they had one go down unexpectedly in the spring. They did an in frame overhaul in under 6 hours with two of them working. That was new sleaves, pistons, rods and main bearings, and the valves/guides replaced.
So check it out. Even with just modest mechanical abilities you can overhaul one.
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