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-   -   Water-pump ports on my SBF engine - need help ! (http://www.clubcobra.com/forums/all-cobra-talk/129090-water-pump-ports-my-sbf-engine-need-help.html)

Stephan427SC 05-28-2014 01:22 AM

Water-pump ports on my SBF engine - need help !
 
Hi guys,
on the water-pump of my SBF engine are two ports (see pic ) .
Are those ports for one circuit like heating-circuit ? I only want to use one port of them .....how are they mounted in the water-pump and how can I remove them ?

Thanks,
Stephan

Fullchat289 05-28-2014 01:50 PM

Yes...those taps can be used for the heating circuit. They are also used for system fill on a closed radiator system with remote reservoir like on the small block cars. You can block one of the ports off. I am running webers with a period-type "COBRA" intake and the top port on my water pump is blocked off (welded shut in my case) just as they did on the race cars. It affects nothing. I don't have a heat either.. The bottom port is plumbed to the bottom of my Harrison Tank.

- Allen.

bobcowan 05-28-2014 10:18 PM

No picture.

On a standard SBF water pump, there are two ports on the upper passenger side.

One of them us used for the heater. The line goes from there, through the heater core, and then back to a port on the intake manifold. This is usually the bottom port.

The second port goes to the thermostat bypass port. If you're building a street car, you need this. It keeps the water circulating through the block, heads, and manifold while the engine is warming up.

On a standard auto parts store water pump, the nipples are pressed in. They can be be removed, but it's a pain and you could damage the pump if you're not very careful. On a performance pump like Edelbrock, they are usually tapped holes.


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