JD 60 with coolant in one cylinder

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JD 60 with coolant in one cylinder

Tom Schaech

Hi all..

I recently purchased a JD 60 NFE. PO advised the head gasket was bad. Brought into shop and torre down--found neoprene top portion of gasket badly shriveled. Cleaned everything up, looked for other damage (found none visible), installed new gasket and reassembled. Fired up very easily, but spit coolant out of exhaust for a few minutes. Let it run for a while thinking it had to heat and seal up. Shut down and started again next day. Same thing happened. Pulled back into shop and tore down. No oil in coolant upon draining (first time upon draining on original tear down was clear as well). Head gasket appeared OK. Decided to take head to machine shop for magnaflux; waiting on that report. Looked again at cylinder block (no CBW, no cracks between cylinder sleeves, sleeves fine). When I changed oil at original tear down, found no water in oil.

Thanking maybe cracked cyl head or just didn't do head gasket correctly (did follow shop manual to the letter).

My expertise is with small air-cooled engines, but I think I'm on the correct path. Also read somewhere that 60s were famous for cracked blocks. Anyone out there experience similar instances?

Any and all help appreciated!

Regards,

Tom

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