88 2.9 cutting out

I recently bought a ford ranger has swapped motor to an 88 2.3 engine. Shade tree mechanic of mine said it has a 2.9 block. Changed the head gasket with a kit and re timed it. But still have no power behind the motor. Also still shakes when it starts. Need the vaccum diagram and wiring diagram...

problem started today!! Heading down the road and truck started cutting out when I would get my foot into the pedal and clear up when I would let off. Also, for the last couple of weeks it has been hard starting and flooding out when it does start. Thought it was the extreme cold weather, we...