Posted by Janicholson on November 11, 2022 at 16:28:33 from (24.240.46.228):
In Reply to: Ford 640 compression posted by Ramseyer35 on November 11, 2022 at 16:16:06:
Grandpa is probably correct. Sitting as long as it did, the valves are probably not totally frozen it their guides, but rusty enough to stick open when pushed open by the cam. another alternative (common) is bent pushrods from valves that are in fact stuck and immobile. Pull the valve cover and look at the valve train. Spraying a good penetrant on the stems (through the sides of the springs) then tapping the rocker with a plastic or brass hammer (repeatedly, but gently) can free them. Some may need assistance moving back up using light prying and tapping. PB Blaster is good, as are others. WD40 is not, it is not intended for penetration or lubrication either one. Jim
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Today's Featured Article - Madison's County - by Anthony West. Philip Madison has been a good friend of mine for quite some time. He has patiently suffered my incessant chit chat on the subject of tractors for longer than I care to remember, and on many occasions he has put himself out, dropped what ever it was he was doing, to come and lend a hand cranking handles, or loading a find onto a trailer. Although he himself has never actually owned or restored a tractor, he was always enthusiastic and always around helping with other peoples projects.
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