Dual Port Advance for 1968

Q: Dual Port Advance for 1968

My 1968 is missing the dual port advance. Is this part necessary?

A: The purpose for the dual port advance was for early emissons and with the redesign of the 1968 heads that are supposed to sacvange the fuel and air to burn cleaner.

A: Dual port advance mechanism was actually a retard and advance unit in one can. Tech bulletin I have states that some owners complained of popping in the exhaust due to the retard. Most dealers disconnected the retard and sent the customer on their merry way

Any proposed updates, changes, pictures, and/or corrections, please use our comment section below (may need to click on permalink to access comments feature). Information is subject to change and offered as is without any warranties or guarantees. Please review our Term's Of Use for more information.