How do I use the Pro Exotics Temp Gun to measure my RC engine temps?
When temping out the engine of your Nitro car, you are looking for the highest current reading. That highest reading is typically going to come from your glow plug, and you can usually hit it from right over the top of your engine. Hold the “measure” button down on your PE Temp Gun, and pass it over the top of the engine. Get right up on the engine, so that you are just about touching the head. Holding down the button gives you continuous feedback, note the highest reading that you get, that is the number you are looking for. With the PE-2 unit , you can shoot engine temps from a farther distance because of the tighter D:S ratio of 6:1. The PE-2 unit is good for cars with high riding bodies, or where the engine is buried down in there and tough to access. From a distance of 4 inches, the PE-2 will measure a spot just one half inch in diameter. With a moderately warm Nitro engine, you are likely to see temps in the 180-210°F range. With a car that has been running hard for a while, you
