I gotta 96 ford t-bird and its acting a lil funny/

Question

I have a thunderbird 3.8L v6. had the engine replaced not to long ago.

Sometimes when im going at a steady speed (around 60) it kinda freaks out

and it will rev up and jerk a little bit. RPM gauge will go up and down.

Any idea if its the motor or the transmission? or what.

Answer 1

it looks like your trasnmission its slipping its goin bad  

Answer 2

my answer is yes your transmission are slipping badly