Quote Originally Posted by kappa67 View Post
Before the change of the transmission (rebuild to HD) the car runs great without problems.
This raises suspicion. Often times when a large component is removed and replaced, grounds get forgotten, wires get pinched or pulled and connectors get crushed.

You also say:
If I put the pedal to the metal then the things I said will come
Makes me wonder if you're missing a connection to the MAP sensor. Vacuum or wiring.