Ports on Type 2 twin carb headers?

Ask and give advice here
Post Reply
User avatar
mhsmuts
Oil Leak
Posts: 54
Joined: Tue Nov 13, 2018 9:53 pm
What model do you have?: Variant type 4, 412
Location: ZA
Has thanked: 1 time

Ports on Type 2 twin carb headers?

Post by mhsmuts » Fri May 10, 2019 11:10 pm

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

Sent from my SM-G950F using Tapatalk




User avatar
Tony Z
Donor
Donor
Posts: 14436
Joined: Wed Sep 14, 2005 8:33 am
What model do you have?: 2.3L 69; 1302; P/Van
Location: Klipheuwel (near Durbanville), Cape Town or working at sea
Has thanked: 142 times
Been thanked: 404 times
Flag: South Africa

Re: Ports on Type 2 twin carb headers?

Post by Tony Z » Sat May 11, 2019 8:02 am

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.

User avatar
mhsmuts
Oil Leak
Posts: 54
Joined: Tue Nov 13, 2018 9:53 pm
What model do you have?: Variant type 4, 412
Location: ZA
Has thanked: 1 time

Re: Ports on Type 2 twin carb headers?

Post by mhsmuts » Sat May 11, 2019 11:16 am

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

Sent from my SM-G950F using Tapatalk


User avatar
retrovan
Donor
Donor
Posts: 7631
Joined: Mon Feb 07, 2011 8:51 pm
What model do you have?: 52T1,68FB,72Bay,75FL
Location: Eich! no, in Jefferys Bay
Has thanked: 177 times
Been thanked: 423 times
Flag: Netherlands
Contact:

Re: Ports on Type 2 twin carb headers?

Post by retrovan » Sat May 11, 2019 5:52 pm

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
1952 Split Beetle 1835cc (Azure Blue)
1968 Fastback 2Lt.type4( Red)
1972 Low Light Bay Panel Van 2Lt type 4(White)
1975 Fleetline Panel Van 1914cc (Aqua Blue/White)
2019 MeFusco Beetle Truck

User avatar
mhsmuts
Oil Leak
Posts: 54
Joined: Tue Nov 13, 2018 9:53 pm
What model do you have?: Variant type 4, 412
Location: ZA
Has thanked: 1 time

Re: Ports on Type 2 twin carb headers?

Post by mhsmuts » Sun May 12, 2019 7:04 am

Thanks all

Sent from my SM-G950F using Tapatalk


Post Reply