I used a Cone Point set screw from Fastenal, because the original would turn the Distributor when tightened down.
Might try that if all else fails.
Randall
Another endorsement for the JB Weld. I repaired a Ford 8n tractor block 20 years ago and its still good.
I've also had good luck with Bar's leak tablets.
Randall
Until Corley checks in this is what worked for me.
Red positive... green negative
Negative ground.
I finished the machine work this weekend
I used the info submitted by Corley.
Randall