1. Buy or get a timing light
2. Have a 1/2 inch wrench ready
3. Open hood
4. Loosen distributor hold down bolt with wrench, but don't turn it yet
5. Hook up timing light to #1 spark plug wire and battary
6. Stark engine
7. Open EST wire (pull spout connector located under air intake)
8. Shine timing light to harmonic balancer (when light flashes, a pointer will be pointing to the degrees BTDC
9. Turn distributor to change timing to your needs
10. Put spout back in (try not to move distributor)
11. Turn off engine
12. Tighten hold down bolt
13. Unhook timing light
14. Close hood
Make sure you do step # 3, that is the most important step