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Originally Posted by 245d6
2nd hand d24 240 radiator. I flushed it multiple times.
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If the passageways are clogged it can be difficult to impossible to clear it by simple flushing. Radiator shops remove the end tanks and use metal rods to physically "rod" out the small passageways.
Why not test the radiator with your laser thermometer? Take readings from different locations on the radiator. Should be near uniform gradiated temp. difference as you work from the inlet to the outlet. Distinct cold spots indicate clogs.
Quote:
Originally Posted by 245d6
Also bought another d24 radiator (nos) but hose connections are on different sides.
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Guessing one of them may be for a different model (7xx?).
Quote:
Originally Posted by 245d6
Also, noticed left rear brake drags a bit (wheel was warm), extra resistance, engine needs to work harder?
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Obviously, but unless it was really locked probably not causing engine overheating by itself. The brake would be smoking and red-hot.
Quote:
Originally Posted by 245d6
Or maybe it got hot because of constant overfueling through crankcase breather?
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Not likely.