>My 85 vanagon  is still overheating I can drive it for 20 miles then it runs
>hot. so I took the thermostate ot and still runing hot

Is the radiator fan turning on? If not, I'd check the water pump. If it is
turning on, your radiator may be clogged up with crap. Before I replaced my
radiator, the temp would just climb and climb, then the fan would turn on
and it'd keep climbing till it boiled over...