Hesitates and Back Fires through TBI
 

I have a 94 GMC 2500 with a 5.7 TBI. Once the motor warms up, if I accelerate to the floor it will hesitate and back fire through the TBI and then takes off. I have changed and checked about everything that you can and I still can't figure out what is wrong. So does n e one have n e ideas? [:@]