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Old 12-04-2016, 11:24 AM   #10
flatjack9
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Default Re: flathead question

Quote:
Originally Posted by Paul Bennett View Post


What is the 'vacuum brake' and it's function? Perchance a different name for 'advance'?
There is no vacuum brake on the distributor you show which is a 49 to 53 distributor. The vacuum brake was used on the earlier engines as a way to limit centrifugal under acceleration.
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