I went through 3 HF tumblers before I gave up. They were good for about 8 hours each, and a 60 mile round trip. For what I spent on gas and the unit, I could have bought a good one. I still don't have on that works.

Devin

If you can't hose it out it ain't a truck

55 3100
63 Corvair Monza
64 El Camino
72 240Z
01 Suburban