1971 C10 Starter/Timing/Transmission Issue

[GreyGhost85]

Ok so I I went ahead and plugged the piston stop in, wrapped end with tape so it doesn’t scratch cylinder head, used a reference point on crankcase cover, turned clockwise marked, turned counter clockwise marked. Split the distance between the two and the initial factory line/groove on the harmonic balancer is perfectly at 0 degrees on the scale. So the piston stop provided some insurance in regards to that factory mark.

So let me get this correct.

1. Disconnect vacuum advance again and set initial timing or base timing to 8-12. If I plug in vacuum advance this rpms will be at least 1400.

2. So with base timing set to 8-12 and vacuum advance plugged into carb,I need to reset the carb idle mixture screws and idle screw per manual? In order to accomplish a perfect mix with a perfect idle?

3. Once everything is set, test vacuum on ports? Most of my full vacuum ports are plugged.

Let me know if my method is off. So far battery starting issue is gone. Side notes*** 3 degrees retarded with advance plugged in and idle set to 700 gives me reverse for 20 seconds or so.
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