nailhead 401

I installed an HEI distributor the other day and had the motor at 10-12 degrees before TDC. As i went to drop the distributor in, the rotor would only come to rest either 1 notch before or after the #1 wire/plug. Is this correct due to the degree set? Any help would be great!

I am rebuilding a 1927 Roadster with a Buick Nailhead 401. We recently ran a compression test and all but 1 was putting out 150 PSI. 1 was outputting 120 PSI. Any suggestions on what could be the issue? Thanks, new to cars, so sorry if there isn't enough info here.

Have a question, I recently changed plugs, wires, air filter, dist cap and needle, fuel filter, air filter and PVC valve. Currently, the car starts fine. The issue starts after the car is warmed up, it stalls and turns off when braking or turning at slow speeds. If stopped at a light with...