360 stalls on deceleration from throttle blip

dan0340 said

Why do you think mine runs so much better on the ported side of the carb while yours got better on manifold side? Different distributors? I just hear so many different things from people on this. I’m just glad mine is finally running better but I do want to learn the science of it all!

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Because you didn’t NEED all that timing at idle. Most engines don’t.

If you are getting a 30 degree swing in timing (that’s 60 total or is it 15 each way for 30 ??) you need to fix that.

Sometimes running one weak spring will do that. Almost always 2 week springs will make the timing move all over the place.