how i did it (Fuel heater)

[chope]

make a 3/8 copper coil about 6 inches long and coil it around your radiator return line insulate it i used a beer coozie and metal tape and connect it to you gas line going to the injectors ..works best with fuel injection i got 62mpg in a 92 stealth r/t now everyone go save some gas if you get a huge increase like me you toss a dollar my way