FYI, Northern tool hass their 50K BTU propane heater onsale for $399. I bought mine, a buddy has one and it will do really well in a garage to knock the chill off this winter.
1953 Chevrolet 3100 261 cu inch, sm420, 3.55 rear, torque tube still,omaha orange, still 6 volt, RPO green glass, side carrier spare, all done In the DITY Gallery Video of the 261 running
1964 GMC 1000 305 Big Block V6, sm420, the next cab off restoration