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New stud on the block
Managed to double nut and remove the studs from the 81 donor engine.
left the JBweld to cure for a few days...
used 3 studs installed as a guide reference to drill the pilot and then the 6.5mm drill (allow for slop and wallow) for a M8x1.25tp thread tap.
It was not a machine shop perfect job by any means of the imagination...
but I managed to get a head stud installed close enough to still slip over the cylinder...
If the stud pulls out there is the next more drastic option of JB welding the stud into the case...
So hopefully the engine can get a second chance now of running another 30 years...
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