I think Ken Gilanders at British Frame and Engine mentioned he sells a water
pump that pushes more water through the water jacket than stock, fixing
cooling problems inherent to TR's. I expect it'd complement additional
radiator thickness.
NFI.
Terry Smith
'59 TR3A
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> I heard the head nut at BeCool (aluminum radiator manufacturer) say
> that increasing core thickness is less effective than increasing
> frontal area, but it still increases cooling effectiveness somewhat
> because it increases coolant capacity and total surface area exposed to
> air.
>
> His recommendation was to increase frontal area first to the maximum
> allowed by the car's body panels, then add thickness if the engine
> still overheats. He's also a big advocate of electric fans for cooling
> the radiator when the car's not moving.
>
> In other words, it depends ( . . . upon a lot of factors).
>
> MDN
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