If it were me, I'd just use a car battery & boiling water. Water always boils at 212F (at sea level & slightly lower in the mountains)

70 Roadrunner convt. street car 440+6, NOS, 4-spd, SS springs '96 Mustang GT convt. street car '04 4.6 SOHC, NOS, auto, lowered "Officer, that button is for short on-ramps"