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I'm pulling almost 30 degrees of initial now on a stock early 9:1 318 running 89 pump gas. That's only at idle. With the throttle open it behaves the exact same as it would connected to a ported source.




So recurve your distributor now to give 30 at idle and put the vacuum advance back where it belongs. All you are doing is pulling advance up to where it really needs to be!

I like to use 2 light springs one may be enough??