I got my first 12 sec run with my stock 89 5.0 eng. with 95,000 miles. (12.90 @ 110.00, 2.0 -60') All of this without a tune. I did lose the FMU and replaced it for an Apex super AFC unit to control my fuel . I also put water inject. from snow performance.I now run 15 deg. @10 lbs. and the btm is turned off (91 oct. from QT)
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