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Old 09-24-2017, 03:33 AM   #1
Join Date: Aug 2014
Location: North island Newzealand.
Posts: 72
Default Distributor vacuum brake question

When the engine is at idol and the carburetor butterfly's are mostly shut would the distributor vacuum brake lift off as the manifold vacuum is high?

And when you are driving and butterfly's open the manifold vacuum will be lower and cause the spring to force the piston to act on the cam and weights to advance the timing?
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