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Believe it or not, I just got the V2 tunes for my 2001 Mustang GT. I've been running the race tune for the last few days and I must say it's definitely different from the other race tune I've been running.
My experience with the V2 race tune, the idle is a smooth 600 rpm at a stop sign. Taking off with moderate power the shift from 1st to 2nd is quick and smooth around 2500rpm. But second gear it comes to life and wants to rev out to 4500 rpm. Taking it easy it will shift at 3500 and if you let off the gas a little it will shift at 2000rpm. Needless to say after 2nd gear your already doing 55-60mph if you love hearing the exhaust growl a little. If you don't let off you'll be doing 80 by the time you realize the big smile on your face.
Personally I think I'm going back to the other race tune, V1. With that first gear usually doesn't shift until 3000rpm and it will snap your neck first thing in the morning. Second gear usually doesn't go past 3500-4000rpm but another nice hard shift.
I like the hard shifts because getting slideways never gets old. If I was a drag racer the V2 would definitely give me an advantage. Myself, 0-40 is where I have fun. Don't get me wrong, I won't pass up a stop light race.
I have another V2 tune but I'm not sure if it's street or performance. I'll try it tomorrow or Friday and keep you posted.
Fyi, basically stock, k&n drop in filter, muffler deletes, and I run nothing but 93 octane.