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Don't waste valuable time (or even more valuable race gas) warming up your car by running the engine!
Race day schedules are getting tighter. Tracks are being forced to restrict the hours when racing engines can be run. This adds up to less time available for warming racing engines. Imagine having your engine at operating temperature and ready to race before your competittion has had a chance to hit the starter switch!
The Hot Head engine preheater circulates heated coolant through your cooling system, warming up your car before the engine is ever started. Unlike an engine block or dipstick heater, circulating coolant through the system warms the entire system. You won't end up with thermal shock from an engine full of hot coolant and an ice-cold radiator.
The compact, self-contained pump/heater unit weighs less than 15 pounds because it does not have a water tank like some other systems. It uses flow-through water heating, similar to modern high-efficiency "on-demand" home water heaters. This system also heats the coolant much faster while allowing the use of a lower-wattage heater. That means a smaller (less expensive) generator in your trailer.
The Hot Head unit measures just 14" x 10" x 9" high. It features an on-off switch, "Heat On" indicator lamp, and a coolant temperature gauge. Supply and return hoses each measure 4 feet long and include quick-disconnect couplers already installed. We offer the matching Male Quick-Disconnect Couplers separately (Part No. 3750-430). The 1500 watt Hot Head is recommended for engines up to about 2 liters (Formula Ford 1600, FC/S2000, FB/F1000, FA/Pro Formula Mazda, CSR/DSR, GT Lites). It can be used on larger engines, but it will require longer heating times.
For best results, use with the Hot Head Hose Integrating Check Valve, Part No. 3750-425 (sold separately). This unit has 10AN male inlet and outlet ports and an internal one-way valve. It installs in your radiator hose to ensure coolant flows through your entire cooling system before returning to the heater.