I have a 1990 acura integra

I just swapped in a new motor. An the mechanic says that after fives mins the car starts to jutter when you accelerate like its about to stall can anyone help?

can some one help??

can you give more specifics as far as the car and motor and what exactly was done with the swap.

swapped in another 90 intagra rs motor swapped in.

i have a '90 integra and I never had that problem....yeah, can you give a little more detail in the specs...?

does the car jutter when it is cold and you accelerate?