Ford EEC IV computer

[black88coupe]

Originally Posted by Ed Wright

A lot of tuning changes are needed to make one drive well in the pits, & on the return road when a cam as used in a Stocker is used. Changes also needed to keep the spark plugs clean under those conditions. Even more so with a SS cam which normally has even lower vacuum. Naturally, Wide Open Throttle tuning is different from factory tuning as well.

The hot setup back in the day was a custom chip from a company like AutoLogic. Ed Hohenburgh used one in his black notch which used FOMOCO speed density.