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Update on F-20 that won't start/leaks around head bolts thre

D

Duanes

Member
We finally got the overhauled F-20 started. Apparently was a fuel line that was partially plugged. Even though gas was dripping farm carb it was still starved as we cleaned the line and put fuel in front two cylinders and it started.New found problem is the head is leaking up through the thread of a couple of the head bolts,we did get one to stop leaking. Any suggestions what may be going on here? Head was reworked at machine shop with the rest of the engine a couple of years ago and I assume they checked head for cracks (Reminder this tractor has been sitting for two years since overhaul). Front two cylinders are not firing now and I think that may be due to a leaking manifold gasket as there is good compression. Thoughts on this? This tractor was stuck when we bought and that is why we overhauled it. Pistons and sleeves were replaced with 4" ones.

Thanks!
 
Drain the coolant
Clean the bolt with a wire brush
Put on Permatex #2
Put in torque to spec, run, torque to spec. Run Run Run Jim
 
Duanes, when you say leaking? If it is leaking coolint up along the stud and comming out around nuts in valve cover. You eather have a bad head gasket not sealed or studs treaded into water jacket that are not sealed. do as JN said if it still leaks you got gasket problems. Oldiron29
 
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