got started this morning
Todays progress. Kinda slow going, its cold on the garage floor.
Initial numbers are
water temp up 5 degrees
HAI IAt up 15 degrees( HAI now producing 85 degrees over ambient)
Mileage no conclusive data of course. Seems to be up slightly. 52 mph- 6 tps- 57-62mpg. After 15 minutes of driving outside temp low 40s.
Materials are aluminum trim coil(for making vinyl siding trim) And patio door screen frames