[Mgs] Rubber-bumper B cooling system

[S.Carr]

A friend who runs a small shop is working on a 1980 MGB—the first rubber-bumper B he’s encountered.  Neither he nor anyone else who looks at the car can understand why the cooling system was designed with no opening (cap) at the highest point to let fluid in or—more importantly—to let air out of the system, and with no tap at the bottom to drain the coolant.

Anyone experienced in dealing with this cooling system have any suggestions?  He’s thinking of inserting a piece of tubing with a filler cap into the upper radiator hose to speed up system refill and get the air out of the head—he suspects this is why the owner had overheating problems.

My ’71 B/GT is in the shop next to this ’80, and we wonder why the later car had the radiator/oil cooler positions reversed and a dual electric fan fitted.  The previous layout would seem to offer better cooling, and my car never had any overheating problems.

I wouldn’t dare repeat his comments on the job of bleeding the clutch system.  He’s an old-time racing mechanic and believes that parts ought to be ACCESSIBLE.  We are convinced that British car designers were getting revenge for England’s having lost the Revolutionary War….

Thank in advance,
Sarah Carr
’71 B/GT in PA


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