UPDATE: Drove into work on Monday- that's 20 miles each way on Rt 295 and such other highways and then down rt55 on the way home. Both times foot heavy and RPMs around 4000 rpm at times. The temp stayed below 200 deg F. Coolant is all burped of air. Transmission hoses started to leak a bit. I had gone with a fancy mesh flex type hose- never again it sucks. Fuel line will fix that crap. Just for reference, I'm running a 430 ring gear and a 29 inch tall drag radial, so the car revs into the sky easily, but will face heat due to the higher revs.. So far so good. I'm satisfied with the result.