no need to run the heater. Heater circuit always has flow.
Run the ac,stay cooler while you are flushing and put more heat into the rad to aid in breaking down the oil.
Not really like, more likely better than xcal for the average Joe as it can be permanently installed in the car and used as a functional gauge and (to the best of my knowledge) the ngauge isn't vin locked so could be used to support multiple vehicles, each car would need it's own licensed tune file obviously.
You want hectic whistle?
dodis
You've heard of the legendary "Batmo" mod that was done to comp wheels back in the day? We are bringing it back with our new "Shatmo" mod.