I agree with this guy ^r3v_v3ng3 wrote:bring it to a radiator shop and they will clean it with pressurize cleaning agents. or you can get the one from the autoparts store (prestone radiator flushing) and follow the procedure on it.
The royal purple additive is a great thing to think about when you get all of cleaned out......lowered my coolant temp about 15-20 degreessilk240 wrote:will look into these options, thanks for the insight.