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Old 05-10-2009   #5 (permalink)
RallyBob
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Join Date: Mar 2002
Location: Pleasant Valley, CT
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Real Name: Bob Legere
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The vacuum retard is designed to pull the timing back under deceleration (high vacuum). Without this hooked up you are relying on only the springs inside the distributor to pull it back.

One (light) spring has constant tension, the other heavier spring has a loose 'loop' that doesn't engage for the first few degrees...so the small lighter spring has to do all the work of returning the weights to the static position. Replace the heavy spring with the loose loop with another lighter spring with constant tension, and the problem should go away.

HTH,
Bob
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