I got my SCT Tuner the other day and my car is seeming to run better. I still have a slight idle problem, but at this point I can live with it. But my car is running better I think.
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96 Cobra, black on black.
New 4.6 SVT Cobra engine
Transmission rebuilt with billet speed gears
padded racing roll bar
Did you run through the laundry list we were talking about?? Even if it's somewhat fixed, you don't want to mask a problem that might be there. If you haven't already still definatly do some of the things we suggested like cleaning your MAF.