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secondary butterflies on a B20B

on the B20B engine, I was wondering what purpose the secondary butterflies serve (the spring-loaded ones in the manifold), and if I get rid of them, and plug the shaft-holes, will it screw anything up.

It's a 1971 model with SUs, if that helps.






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New secondary butterflies on a B20B
posted by  someone claiming to be ElectricJesus  on Fri Oct 7 08:42 CST 2005 >


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