Posted by Steve@Advance on December 01, 2020 at 19:57:57 from (66.169.147.211):
In Reply to: Farmall 400 questions posted by super99 on December 01, 2020 at 18:41:15:
Is there excessive blow by and oil mist blowing out the crankcase vent? Blue smoke under load? Plug fouling? Excessive oil consumption?
If no to these it may only need the valves ground, no need to go into the bottom end.
But if you do feel it needs rings, the old gas engines are forgiving a ring and hone job will buy some time as long as there is no major problem with a piston or liner.
The rear main requires removing the engine unless a 2 piece rubber seal is available. Many times a rear main leak will be greatly reduced if the blow by is reduced and the breather tube cleaned.
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