Just raising the redline alone with knock several tenths of the 0-60 and 1/4 mile. You are gaining more usable powerband. It is not a direct indication of more power or even a stronger powerband.
12.1-12.5 is definitely too rich for the Duratec. Even playing it safe. I'll give that one as a professional courtesy because you carried yourself very well. I tried not to "pick on you" personally and will refrain in the future because Ryan was the one talking out his... well... 'nuff said.
2000 SVT #674
13.47 @ 102 - All Motor!
It was not broke; Yet I fixed it anyway.