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burnin oil · 01-19-2020, 10:54 PM

Longhorns is right. They are a mechanical secondary setup. The kicker is the air door up top that looks like a choke. That is what keeps them from functioning until demand is needed.

01-19-2020, 10:54 PM	#4
burnin oil Registered User Join Date: Jan 2013 Location: Eastern TN Posts: 1,919	Re: rochester quadrajet carburetor secondaries Longhorns is right. They are a mechanical secondary setup. The kicker is the air door up top that looks like a choke. That is what keeps them from functioning until demand is needed.