Recent content by Zinkedoo

I got a 1000w Kat circulating coolant heater for my 5.3 lm4 in a 94 chevy k1500. Wondering where to put the return line from the heater? I have it going to the heater core return but when I plugged the heater in, the water pump weep hole started to leak. Unsure if the leak was there before or...