Great seeing you yesterday Chad. Your car looked awesome out there! That doughnut course was a stinker :pee-eww:
Thanks Ron. If you didn't give a damn about your rear tires the donut box could be fun but otherwise it did kinda suck. Overall still a fun autocross course. I liked that it had two "sweeper" type higher speed turns even if both were decreasing radius ones.
Forgot that I also have an engine coolant temp update.
I ended up talking with Tuff Stuff Performance who makes the waterpump for the Vintage Air Frontrunner kit. They suggested that my issue might be related to an air pocket but when I explained the steps I took to try and bleed air out of the sytem they didn't have any suggestions for trying something different.
So I shipped the waterpump to them to have it double checked. It of course was fine but did have a waterline suggesting an air pocket did exist. Having drained and refilled the coolant system on this car many times for a variety of reasons it was antibody's guess if that was still true. Tuffstuff shipped the pump back and suggested I drill and tap a vent line into the top of the pump which I can't do with the DBW throttle body.
So Friday night before the Hotchkis Autocross I filled the radiator and did everything I could to bleed air out of the system. Including jacking the front of the car off the ground several feet and letting the thermostat cycle several times with the cap off.
TL,DR = It was an air pocket in the waterpump. If anything the car now almost runs too cold at freeway cruise in 6th gear. Its gone from 210-214 to about 180*