Which vacuum source do you have the distributor advance can hooked to? Make sure it's hooked to ported (timed) vacuum- if you hooked it to unported (manifold) vacuum, it will be fully advanced as soon as the engine fires, and will cause a bog when you try to accelerate. View attachment 1715729464
Interesting. I'm fighting a bog issue and my distributor advance is hooked up to the manifold vacuum and not the (timed) port vacuum. The timed port vacuum is just plugged off.