when i had my oil changed the dude told me that my coolant looked to be a little diluted....my coolant was flushed/changed by ford when my waterpump/thermostat was replaced

my car also runs very cool ('o' range) but will get very hot when pushed hard


95 contour se...dark blue...monsterflow air filter...remanuf atx...wiring harness recall or bust!!!96k miles...motorcraft awsf32pp plugs & red ford racing 9mm wires...kvr black plated cross-drilled rotors & carbon fiber pads...currently undergoing renovation...excuse our dust!!!
are my dodgers for real????