[oredith]

I've varified that the flap IS open all the time when i'm driving (up & forward).. are there adverse effects to that?
I'm not sure i'm clear on what you mean but the "hot resistance of the head temp sensor" and how it relates (please excuse my ignorance, i'm just really glad there are guys like you to direct me)
and finally, i've been trying to upgrade to electronic ignition (allison) for a while, but haven't been able to find that slotted disk for the distributor, any pointers on where to buy one?
thanks again,

Jeff