Posted by rustred on December 10, 2022 at 16:11:19 from (74.214.153.210):
In Reply to: Stuck Farmall B update posted by grandpa Love on December 10, 2022 at 11:08:55:
i kinda think you have never even re- ringed an engine. now thats its cleaned up with pistons loose pull all of them pistons out. then finish cleaning them up, then remove the rings, clean the ring grooves and at least put in a set of rings. that one bad cyl. is toast right off the bat. that one needs a sleeve. maybe once the others are cleaned and honed they might still work. no sense at all installing the head on something looking like this. look up honing and crosshatch and ring end gap clearances which probaly wont matter in this case as the sleeves are old and worn. but at least give it a nice crosshatch pattern. make sure pistonsor rods are marked for each cyl, which the rods should be marked on the camshaft side. show us the brgs for each rod journal. maybe they can be reused, not that its the normal thing to do. plastigauge the brgs. also to see how much wear is on them. as for the head... pull ALL the valves OUT. marked in order. get the head chambers all cleaned out. clean all the valves on a wire wheel. i am sure u have no hot tank. then look at all the seats and seat widths on the valves. they must be basically in the middle of the valve and 1/8 wide for exhaust and 1/16 for intake. if they are the wdith of the whole valve face not good, means guides are worn and seats are pounded out.then with everything nice and clean you check the valve guides by installing the valves back in all cleaned including the guide bores. if you have more that .003 they are worn. ideal is .0015. best to take a photo of the valve faces and i can tell you what will work and what is too far gone. AND once you keep taking thigs apart you will say to your self,.. geez i was stupid thinking this engine will run with all the rust and garbage in here. but actually yes it would run but for how long and not very good. you do not want rust in the cyl. or piston, that is like throwing some sand in there.at least give this thing a fighting chance. now is the time to further your mechanical skills. you dont learn till you get your hands dirty. probably missed stuff but this is the basic for now. now i want to see all of them pistons out is your next step.
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