Quote:
Originally Posted by turbo_joe
Manual trans?
I think 145mph (gpd speed) is about my limit in fifth with the DCT
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Yes, manual. I have tried a variety of things on that back straight and looked at the data. The fastest thing for my car is to just leave it in 3rd and send it a bit earlier, then let it bounce off the rev limiter in 4th for a moment before the braking zone.
downshift to 2nd at corner entry before the straight --> too much time lost on the 2-3 shift
upshift to 5th before braking zone --> too much speed bled off during the 4-5 shift, plus 5th gear is borderline too tall to make up for it
no-lift-shift all gears --> slightly faster but risky on 2-3 and 4-5; probably not worth the drivetrain shock unless you're fighting for a prize or on a flying lap
I'm usually at about 152mph at redline in 4th gear before the braking zone, FWIW.