Recent content by opendiff

Another thing you can do is alter the mechanical advance curve. I don't think there are any kits for this, for the AMC distributor, but it is basically springs and weights inside the distributor, under the rotor. You can either install weaker springs, or add weight to the weights. I have done...

I have the same setup you have. I discovered that the vacuum advance can be adjusted. Pull off the vacuum line from the advance can, and use an allen wrench to adjust the internal spring pre-load that determines the vacuum point at which the advance changes. I don't remember right off hand...