Update problem is still there,
1st used a caspers ign coil & module tester indicated no failure on 3 coils and 2 modules.
2nd with 3 ecm's all did same thing exactly.
3rd TT chip installed SES light will flicker with stumble,pop,etc but another style chip no ses flicker stumble, stutter still there
4th No batch mode at all.
5th traced ground off ign mod. for cam,crank,etc. verified and added a ground to that no change
6th Hooked DVM to org wire off batt for ecm 13.8-14.0 volts even when car stutters
7th pink wire #1 ign source @ ign switch DVM 13.8-14.0 volts there with or without stutter
8th Added a ground to ecm body no change
9th banged my head on sterring wheel for 13.8-14.0 seconds
10th reset tps to specs no change
11th no pins on ecm sprung
12th cleaned all plug in points ecm,ign mod,cam,etc. with electric contact cleaner and coated with dielectric grease
13th swapped with 3 different calpak chips
14th inspected alt wire from batt to alt all good there no exposed wire even ran a 4 ga wire from batt to alt no change
15th put ice on head from banging 13.8-14.0 seconds
16th check for vacuum leaks
17th replaced IAC sensor
18th all sm #'s seem to be good
19th no wires at starter shorting out
This is what I have done so far still acting up still open for all ideas in this nightmare of a troubleshoot. Thanks