Is there a power chip for a ford 351m engine to increase milage?

Is there a power chip for a ford 351m engine to increase milage?

Those chips don't do squat - Ford knows how to program their engine that they designed better than those fly by night companies.

No "351M" ever came with fuel injection so they had no computer to use a power chip in.

Seeing how there's no ECU or anything on that engine. The chances of getting a chip for it is pretty slim.

No, you really need to 5hitcan the Duraspark igniton system and replace it with something more adjustable. These engines suffer from a poor combustion chamber design, and need help in the ignition curve department.