like he said, i would just follow the lines all the way back and find out what is making this happen. Have your buddy sit in the car and shift and just watch to see what happens.... sorry if thats not very helpful.
1998 GS Mods: Cold air intake, Ported/polished stock intake manifold, AFX 55mm TB, Pacesetter header, Custom Magnaflow cat-back exhaust system, AFX Underdrive pulley, B&M short throw shifter(cut/welded), Symborski Shift Kit, Solid front motor mount, Monster ground wire kit.