AutoMeter Ecometer/Universal OBDII Control Arm Shims carbureted applications on gas or

carbureted applications on gas or methanol

plug and play device that connects to your vehicle's OBDII port and allows for instantaneous monitoring of the exact fuel economy of your vehicle

ATI harmonic Super Dampers add horsepower and torque to race

1/8 in NPT Male Thread

1979-1995 GMC K3500

AutoMeter Ecometer/Universal OBDII Control Arm Shims carbureted applications on gas orThe single largest contributing factor to fuel economy on your vehicle is the ? loose nut behind the wheel?. Driver input affects the amount of fuel you use more than anything else. The Ecometer by AutoMeter is a simple, plug and play device that connects to your vehicle's OBDII port and allows for instantaneous monitoring of the exact fuel economy of your vehicle. So much more than a simple vacuum gauge, the Ecometer monitors a huge range of engine