i've been waiting on 3750 since i got the car. i finally hit it wednesday night.
my "real world testing" is that since about 2,000 miles i've been trying to perfect the launch of this car. the drive by wire makes it finicky compared to what i'm used to. i seem to have finally got the launch figured out, a tiny bit of wheel spin seems to get me the smallest number on my stp timer compared to other tricks i've seen with 2nd gear launches and clutch feathering. but i've been having a hell of a time breaking 5.8 on my 0-60... which could mean i'm a crappy driver. i dunno. i haven't been able to find other people sharing their numbers on their 5.7 m6 so i have no idea how good or bad i am. but it certainly wasn't for a lack of trying.
then i hit 3750 miles. and it wasn't like a light switched on as soon as the odometer turned over. i hit the magic number wednesday night and took a long detour home to see if i could feel where the power was added. i didn't feel much right then but thought maybe i picked up a little mid range? so i wrote it off as a placebo effect. then the next time i started the car i really felt it. it was like the difference between a warm day and then there was cool dry air the next day. it definitely felt like it woke up.
so on friday night, on the same stretch of road i've been doing my 0-60 times on. the same place i set my best of 5.8... there was no traffic, so i stopped, let my timer say it was ready. and then launched it the best i could.
5.6 first attempt right out of the gate. that's a 0.2 second improvement. i had a good launch, sure, but it wasn't any different than my other good launches. the car just pulled harder through the gears.
it's certainly enough to convince me that the 3750 miles thing is legit. i was at almost 3800 when i did my launch.