Heeere I go again causing trouble for myself...massive studdering problem

[MADMarc]

Your 130% low fuel trim will have something to do with it..
In turn caused by the fuel pressure set wrong or somthing else.

One of the oxy sensors doesn't look too good either.

Stock sparkplugs on mine too.

Steve

I was wondering about that trim reading as well. I will just swap out these iridiums for some good ol' copper plugs as soon as I get the chance to do so and re log it to see if anything changes.

[MADMarc]

New plugs and voila, no more problem. Swapped the plugs out to some coppers @ .039 and they work great, thanks again Eric. Next is to up the boost some more and see if I get blowout passed 12 psi. Woop!