I found this on JEGs site. What do you guys think of this?
Percy's Digital Exhaust Temp Indicator
Maintain Proper Air/Fuel Ratio Here's an invaluable tool for precise engine tuning. Features an exposed junction thermocoupler for instant response, a hold button for recording measurements, a feature for recording the maximum reached temperature, and it has the ability to monitor two cylinders at once. Includes a tough rubber molded case and a temperature probe for reading fuel, manifold or he
