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04-03-2018, 01:30 PM | #1 |
Registered User
Join Date: Aug 2016
Location: Lake Forest, CA
Posts: 2,177
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Re: Secondary’s on edelbrock 600cfm carb not opening
The secondary butterflies open (mechanically through the linkage) and the vacuum created by them opening, pull the butterflies open. The weights are in place of the spring and cause resistance to the vacuum pull, to assist with a smooth transition.
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