[burnin oil]

When I played with the Mr gasket wieghts they would sling out quick and hang about where you would want it to then at higher rpm, say redline, would give a few more degrees. More importantly they would stick on decel.

Think of the advance springs this way. The lighter the spring the faster they give advance. There should be roughly 25 degrees of advance in the weights. If it comes in super quick its like setting the base timing at that. Can your motor tolerate and use 20 or 30 degrees of timing at less than 1500 rpm? From memory I was advancing at 1200 rpm. This is more in step with a race motor with locked out timing. Now add in around 15 degrees of timing from manifold vacuum hooked to the vacuum advance and you can see where part throttle can get really jacked up quickly. It will still run when you hammer it since vac advance will drop out but part throttle can be a pinging mess that wants more octane. The goal is to bring it in as fast as you can without drivability or pinging issues. This will gain the power you are looking for. Also if the springs are to light the weights are not controlled well and you will get timing that floats around at and above idle speed. So long story short is mix and match the springs all you like but stick to the middle strength springs on atleast one wieght. Also dont be afraid to use a factory spring. Ots all about the curve and takes a little trial and error to get right.