OldIHC

Does anyone add a overflow tank to their rad on their K or KB...My rad just has a overflow tube that squirts antifreeze on the ground? I don't have any overheating issues, top up the rad and it levels itself out by peeing coolant on the ground as soon as I shut the engine off. I am using a 4.3 chevie engine, not the tire shredding Green Diamond although my rad is a rebuilt stock rad. My concern is my engine in my daily driver pooched so I may have to drive this for a couple weeks,,getting chilly up here in the Great White North,,I do have a block heater on the engine..

Put in a temp over flow bottle, should be able to pick one up any pick a part. better than having it go on the ground. Stock radiator, so stock 7lb cap? At the least will catch the "overflow" from expansion.
Just my thoughts,
Lloyd

I looked inside the rad with a flashlight,,the coolant is just out of view,,it's only down about 1 1/2" from top of tank so now I know how to check coolant level in my truck so I won't bother with an overflow tank.

as long as the tops of the tubes are covered it should be fine. If not add fluid, cause it can't flow.

The correct level on an old, non-expansion tank system like that would be full with the coolant at operating temp. That would leave the level down a couple of inches when cold.