Check that the high limit thermostat is not to close to the heat unit. You could move it out away from the unit to see if it is short cycling. Sounds like one of your stats is short cycling.
Loose blower wheel causes the dryer to over heat and shut down the control thermostat prematurely causing the dryer to be excessively hot on top and take a long time to dry the clothes.
... is running a "half" red coil
oh no, I dont mean that -- I mean it is not glowing RED like was prior, it is glowing like HALF REDWhat components regulates voltage to the coil?
... Where is the Dryer Terminal Power Strip? ... What components control voltage to the coil?