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Ports on Type 2 twin carb headers?
Posted: Fri May 10, 2019 11:10 pm
by 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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Re: Ports on Type 2 twin carb headers?
Posted: Sat May 11, 2019 8:02 am
by 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.
Re: Ports on Type 2 twin carb headers?
Posted: Sat May 11, 2019 11:16 am
by mhsmuts
Tony Z wrote: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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Re: Ports on Type 2 twin carb headers?
Posted: Sat May 11, 2019 5:52 pm
by 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
Re: Ports on Type 2 twin carb headers?
Posted: Sun May 12, 2019 7:04 am
by mhsmuts
Thanks all
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