Let me rephrase those second numbers., 200 - 600 °F is the factory gauge range. Frank DuVal > =========================== > > > 100-700f covers all possible temps.. 200-600 is the normal range > > > Matt Nall > Charleston, Oregon > http://tinyurl.com/The-Corvair-Patio > > http://tinyurl.com/Matts-Tech-Pages > > > >