273 stock coil location hitting vacuum advance

1. Get timing to TDC
2. Take cap off
3. Mark outside distributor with tape and a marker line where rotor is pointing.
4. Loosen distributor and rotate advance back to just behind oil sender.
5. Put cap back on
6. Adjust distributor so a post is at your mark.
7. Move wires so that #1 starts at post at mark.
8. Done

Big Block, same idea



Alan