superchip

Pulled this out of my 89, guess a previous owner put it in. I had no idea it was there. Anyone know what it does? Only thing to identify it is the microchips really. Looks like there used to be a sticker on the guard covering the microchips but it's long gone now.

This posting is a high performance engine management computer chip primarily designed for use with 2.3 turbo Ford four cylinder applications using the PC1 calibration (see below for more details on application). This chip "piggybacks" the existing computer and optimizes full and part throttle...