[Healeys] Over heating and adding additional core tubes to the existing radiator

Richard Collins gonnagitcha90 at hotmail.com
Mon Jan 13 17:15:39 MST 2020

212 seems a bit warm; my BN7 runs constant 180 but at traffic stops hits 190 and vapor locks at 195_200 in the summer.
I need to install heat shield under the carbs which I’ve had for 10 years to install and fuel line wrap to assist heat coming off the block.

Richard C

On Jan 13, 2020, at 17:36, Robert Begani <rfbegani at gmail.com> wrote:


I have added a electric push fan to the radiator and a shovel or deflector to direct the flow of the air to the engine.  It works to keep the coolant temperature at or below 212 degrees when driving down the road at 2000 to 4000 rpms.  However, the coolant temperature will rise if you drive slower or stop and go. While I believe there is nothing wrong with the radiator, I believe it needs more cooling capacity.  How many more core or tubes can be installed in the standard BJ8 radiator.  For those of you who have done this modification, how much does it cost and does it work to reduce the coolant temperature?  I would rather not install an aluminum radiator because they do not seem to work or do not reduce the coolant temperature.

Another modification I am considering is a manifold and header blanket to keep the heat from the exhaust from boiling the fuel in the float bowls. Have any of you found success with this modification?

Bob Begani
BJ8 67
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