F-20 teardown finally

Farmall F-xx Series Tractors, 1931-1939
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1970 International 140
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Re: F-20 teardown finally

Postby Slim140 » Mon Jul 12, 2021 6:15 am

mcwinter wrote:During attempts to remove head studs, two snapped off about even with the block surface. Some of them did come out, but I left the rest. I have drilled out the broken studs (one more centered than the other) but neither would loosen up with an easy out.

The well centered hole I have drilled out to 3/8" almost to the edge of the block threads. I have tried to get a tap started, but not enough threads available yet to get it going.

Any suggestions for how to remove the remaining stud material? Drill out more to enable the 1/2"-13 tap to work? Drill out the holes enough to use some sort of thread insert?


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