We'll start this out simple.
5.0 5 spd
k&n airfilter
exhaust is non cat straight pipes (block offs, sensors and pipes properly welded or installed)
smog pump removed
short belt

Now bought the car for $2400 dollars. it ran a lil rough and stalled off and on. the rough ride was the harmonic balancer. replaced. car continues to stall. map, maf , iac, pcv valve, fuel pump, and altenator all checked and or replaced. car continues to stall.smog pump and egr removed, blocked off and egr bypass installed. car starts running better. but not fixed

when you come to a stop the idle twitches, then spasms from 800- 400 rpm, then stalls. also if it sits and warms up, within 10 mins shes revving 800-400 and then stalls

decided to replace dizzy.(while car was running, hood popped, turned dizzy back and forth barely and car didnt die or stall out) car runs 100% better... still stalls..( dont remember having this issue in my 3.8 or 3.8sc...) ok tired of it, take it to a shop

new symptom. driving along fine at 50 mph car suddenly 0's out on tach and dies, try to pop start it.. no good, feels like back axle trying to lock instead. pull over, pop hood, nothings broke, no leaks, start car.. its starts, runs fine. twitch..

ford says they cant look at it or anything until the smog pump is replaced , because the car has to have that to function properly..bs..
read all the forums not just this one.

have done draw tests, vaccuum tests, replaced sensors, cleaned everything. but stall wont go away. pleae any help or suggestions.. otherwise im parting her out

 

Possible ignition problems? Might have some loose/corroded wires.

 

plugs wires, cap, rotor and dizy all new. only thing not new is the coil

 

No, ignition as in from the key to the starter. All the junk under your steering column covers.

 

Did you replace or check the fuel pump? It might be weak and not keeping up with the demand for fuel from the motor.

 

fuel symptom, shut off car and smell gas. just picked car up from ford dealership, since they couldnt do anything. got home, parked, now doesnt want to start.

 

Run a KOEO test...http://oldfuelinjection.com/?p=13