Quote:
Originally Posted by supereal
Most overheating problems can be traced to a failing radiator. The inside may be lime coated, the fins loose from the tubes due to vibration, etc. Overheating in old Fords has been with us since the beginning. Routing the exhaust down through the water jacket requires high cooling efficiency. Any of the above conditions practically guarantees that eventually overheating will occur. Good quality new radiators are about $500-600 at C&G, but will mean no overheating in any outside temperature. Don't waste money on having an old unit "repaired".
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In this case the old unit (01T = 39-41 122" wheelbase truck) is doing the job. Could not see any lime coating around the tubes in the top tank, but I reverse flushed it with plain water, which produced very little crud. I did spend a few hours straightening every fin on front and back that was flattened or laid over. I checked on having it re-cored, and the cost of the core alone was over $700. That motivated me to attempt to salvage the original!