Does your engine still run great? There are a lot of folks milking bad inner crank seals out there by just adding a ball valve to the incoming rv line. This allows you to shut the flow off after use so it does not fill your crankcase up during storage.
If you find yourself looking at a SBT engine, turn around and RUN. They are not made well and it is a coin toss if you get a good one or a bad.
Does your engine still run great? There are a lot of folks milking bad inner crank seals out there by just adding a ball valve to the incoming rv line. This allows you to shut the flow off after use so it does not fill your crankcase up during storage.