Chris B. Posted April 21, 2012 Share Posted April 21, 2012 Hi All, When removing heater is it ok to just blank off port on water pump and inlet manifold or should they be joined with hose to keep water circulating ? Regards Chris. Link to comment Share on other sites More sharing options...
cskip Posted April 21, 2012 Share Posted April 21, 2012 Many years ago I blanked off both ports on my xflow. No need to have a joining pipe. Link to comment Share on other sites More sharing options...
Chris B. Posted April 21, 2012 Author Share Posted April 21, 2012 thanks shall blank them. regards Chris. Link to comment Share on other sites More sharing options...
George C Posted April 22, 2012 Share Posted April 22, 2012 I also blanked them off and ran the car like that for many years and it was fine. But when I checked with the engine rebuilders when it was rebuilt they advised to link with a bypass pipe. Burtons sell the parts. For some reason which I don't really understand it runs cooler now which is good. I imagine it allows a more even temperature through the engine but thats a guess. Link to comment Share on other sites More sharing options...
Roger King Posted April 22, 2012 Share Posted April 22, 2012 Definitely blank them off. They serve no function except to supply the (non-existant) heater and a hose is actually an excuse for a possible air lock. The only exception would be if you fitted a sealed header tank cooling system, in which case the water pump union acts as a return from the header tank. Edited by - Roger King on 22 Apr 2012 16:05:33 Edited by - Roger King on 22 Apr 2012 16:05:50 Link to comment Share on other sites More sharing options...
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