Ports on Type 2 twin carb headers?

[mhsmuts]

Hi guys, what is the purpose of the port/tube on the twin carb headers of my type 2/4 motor?

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[Tony Z]

if I'm not mistaken, those are connect from one manifold to the other with a decent sized hose. It helps the engine to drive and idel smoother by balancing the pressure pulses.

[mhsmuts]

if I'm not mistaken, those are connect from one manifold to the other with a decent sized hose. It helps the engine to drive and idel smoother by balancing the pressure pulses.

That makes perfect sense. It could balance the intake vacuum pressure

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[retrovan]

Perfectly correct, this stops the fuel from stop / starting in the manifold, giving a buffeting effect.

When the fuel flows then has to stop, and then start flowing again.

Makes balancing the carbs much easier as well .

Means your car runs smoother.

Herman

[mhsmuts]

Thanks all

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