Engine Cut Out Problem

[OLDFART95GT]

I Am Experiencing "bucking" Between 3200-4000 Rpms Under Hard Acceleration. I Have Swapped Out The Computer,distributor,coil,plugs,rotor/cap,tps, But Still Have The Problem.
Ang Suggestions?

 

[95opal]

check yur fuel pressure regulator,or at least verify yuor pressure w/ a guage.it sounds like yur running out of fuel.also check yur plugs.pretty sure its yur fuel.good luck

 

[18mustangs]

It's a shot in the dark, but be sure to check your harmonic balancer as well. If you can see rubber coming out from under it you need a new one. My GT bucked like crazy when mine was going out.
Tim