Well, here are my findings...
Plug wires, clean the coil pac connector ends with a wire wheel on a dremel tool, and if your cars plug wire's have any corrosion in them, replace them...this helped make the hesitation go away, a little bit...
Thanks to Phil, aka Damnit Beavis and his wife, Steph (vertically challenged) I got to do some data logging runs with Phil and his laptop, what I found was relieving and frightnening...I had a hunch it was timing related, the car felt like all the advance was being pulled right out of it between 3500 and 4500 RPM....it was. Using the OBD2 scan tool on a laptop we monitored ignition advance and say it rise steadlily to about 30-32 degrees advance, then plumit to 8 degree's at WOT!!!!! Then return back to 40+ degrees of advance....
We started by disconecting the J&S knock guards knock sensor to see if it was actually seeing knock or just noise...neither. The retard was STILL there......we went back and removed the J&S system from my car, and did the popular Earthing mod (more on that later) and low and behold, it was gone...just the regular tuned RS pull all over the rpm range..boy did I miss that feeling.
So, I beleive my J&S was a bad unit, I intend to call them and ask what might be wrong and hope they can run a diagnostic on it and maybe warranty it..I like the safety back up of it...I will let you all know how that goes..
The Earthing or Ground mod...DO IT! Dont expect any power increases, or better throttle response, just get ready for a MUCH smoother running engine and a better idle. It took all of 15 minutes to do it right, and I ran them from the negative battery post to both strut towers, the intake manifold and the alternator, you could run one to the tranny too, but I didnt see it as needed. The car just plain runs smoother, even Phil noticed it after being in my car for a whole 30minutes of his life, then riding in it afterwards..it does run better.
We'll see if the flat spot comes back, if it does Im gonna try a different ECU, the only code found in my ECU was for an 02 heater wire, which checked out fine later in the day..
As some of you may remember I had an odd driveline noise...we also checked that out this weekend and found a whole lot of NOTHING! We ran it in the air in gear and couldnt hear it, we checked the driveshat, CV's, U joints etc..nothing looked out of place at all...guess I drive it till it breaks....
This is what I found out, YMMV...
