1969 Daily Driver

So in the three days that I have been in isolation I have recurve a distributor. How I did it was get two distributors from o'reilly and i took the light springs from each one. Then the advance was a 13R that is 26 on the crank side. So I measured the open hole slot minus the the pin that gave me a numerical version of 0.015" per degree so I had 0.450" after pin and wanted it tightened up to 0.398" which would give me about 10 degrees of initial timing and 20 degrees of distributor. I used a simple math and a mig welder. Then I used home depot rat tail file to get the final dimension. Super easy. If yo have any questions on how to do this just ask. I did it in 30 minutes and was easy.