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Old 09-18-2019, 08:26 PM   #24
scicala
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Location: Detroit suburb, MI
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Default Re: 292 y-block distributor puzzler

"And de-acceleration."




The dual diaphragm '56 only momentarily retards the spark in low manifold vacuum when accelerating. Deceleration is high vacuum. The text in the link I posted earlier explains how it all works.


Sal
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