Update on overheating issues
Having installed a reco unleaded head, new water pump and hoses I now have the same/similar problem as I had before all the work. Today I forgot to check the coolant level before driving on a 16 mile round trip. All had seemed well apart from the level in the radiator being too high and blowing water out of the over flow pipe, no expansion tank. Anyway on the return joourney after 3 hours the engine overheated. Having allowed it to cool down it took 2.5 litres of water to top it up. The only journey before this and after the work had been the same 16 miles round trip with a 3 hour break and no problems. I flushed the engine and radiator before and after the work and all ran clear. I am wondering if the radiator is the problem and the down tubes are clogged but have no idea how i can test it at home. Any ideas?
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