I'm know very little about our cars, but I'm sure it's been said that the stage1 computer does not like any engine mods...I don't know what an MSD DIS-4 or the greddy profec but were u running these and the methonal kit with the stage1?!
The only people that have had the stage1 bring slower times that I have found were on the srt-4 site and they all had other mods that people felt contributed to this and they later confirmed this...
Cheers,
LIP
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2003 Electric Blue GT 5 speed loaded
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