* Standard: 8° BTDC
* Performance: 10-12° BTDC
Spark plug gap:
* Standard: .035"
* Performance: .045"
Distributor advance:
* Standard: 18-20°
* Performance: 24-26°
Vacuum advance:
* Standard: 10-12°
* Performance: 14-16°
These are just general guidelines, and the optimal timing for your engine may vary depending on a number of factors, such as the camshaft, cylinder heads, intake manifold, and exhaust system. It is best to consult with a qualified mechanic to determine the best timing for your specific engine.
