Lets face it, they were Vacuum Operated from Pontiac Motors. It was and is a real well designed method to control the outer two carburetors. Let me motor determine when it can utilize the additional fuel. When correctly adjusted they work well
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Title: Progressive
Description: Lets face it, they were Vacuum Operated from Pontiac Motors. It was and is a real well designed method to control the outer two carburetors. Let me motor determine when it can utilize the additional fuel. When correctly adjusted they work well
