Here is the situation,I have  a 90 coupe 5.0 with your basic bolt ons.Trick flow intake 1 inch spacer,65mm tb,1.72 roller rockers,1 and 5/8 bbk headers,2 1/2 inc h-pipe,flowmasters,3.55 gears,and a few other things.My problem is that i changed the I.A.C cause the car would stall often when i press the clutch to stop at a light or stop sign.Sometimes it would start and just stall out right away,but it still does the same thing,aside from the T.P.S ,what else would cause this problems?Any help would be appreciated.Thank You in advance.