Cooling Issue - 1964 Dart GT - 273 with automatic and A/C

Swinger 340 said

When any of my vehicles overheat, the first thing I check is the lower radiator hose collapsing. If so, time for a new hose. I don't think inner springs are used any longer. Just a stiffer rubber and over time it softens.

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If the bottom hose does not have the coil of spring inside, make your own. Go to a weld shop that does TIG Welding of Stainless Steel welding and offer a few bucks for two sticks of Stainless filler rod. Then bend them around something round and about 2.5 inches around.

But for $9 to $15 Summit and others have springs