Originally Posted by oREDNECKo
Go with after market gauge it will never let you down mine would go up and down for no reason
He has an after market gauge.
Op are you sure you have the thermostat in correctly and not backwards?
If seen pple put the thermostat in back wards caus they forgot witch way it was when taking it out
That would cause the engine to get much hotter that 185 befor it opens because the part that is supposed to be toward the engine pointing out in cooler water.
End with black arrow facing radiator , end with red arrow facing intake.