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MG TD TF 1500 - Radiator branch pipe ?

Good Morning
On two of the 1952 mg td’s I’ve owned the radiator branch pipe bypass has been pinched over and welded shut. A plate was bolted over the branch pipe bypass outlet on the thermostat housing, blanking it off. Dose anyone know if this was something done at the factory or done by a previous owner? It almost looks like it was done at the factory and it was on both 1952 TD’s . Both TD’s ran fine and do not over heat, I’m just curious as to why this was done. Thanks John
John Hambleton

They have eliminated the bypass circuit that was intended to circulate coolant while the thermostat is closed. The original thermostat has a sleeve that rises up and blocks the passage in the housing when the thermostat opens.

Chances are, the old thermostat were replaced or just removed.

Jim Northrup

This thread was discussed on 21/11/2010

MG TD TF 1500 index

This thread is from the archive. The Live MG TD TF 1500 BBS is active now.