I added a half gallon and ran the car for an hour. The thermostat opened but the temperature gauge never went over 140 and the water in the recovery...
I am adding at least half a gallon of antifreeze to the race car this afternoon. We lose power out where I live often so I'm expecting it. I went on...
I know of one National Championship car that ran a stock T45. If I remember Kevin never used fifth. I did use fifth at COTA just for a second running...
Sfi is two, FIA are five...Generally they cost the same. I tried a pull up on e but found it harder to tighten since the adjustment is down by the mount bolt ymmv
So I was told NASA would let us use either for five years.......no to true from what you are saying?