Quote:
Originally Posted by Mr. Wyndham
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Cool! Thanks!
Some ghetto (rough and not 100% exact) calculations show...
...with a 28 inch tire, a 3.15 rear gear and a 6.5K RPM redline:
1st - 35.1 Mph
2nd - 55.2 Mph
3rd - 76.7 Mph
4th - 91.7 Mph
5th - 108.6 Mph
6th - 128.9 Mph
7th - 165.0 Mph
8th - 194.1 Mph
9th - 239.1 Mph
10th - 257.8 Mph
Top gear RPM's at specific speeds:
60 Mph - 1500 Rpm
65 Mph - 1650 Rpm
70 Mph - 1750 Rpm
75 Mph - 1900 Rpm
80 Mph - 2000 Rpm
85 Mph - 2150 Rpm
90 Mph - 2250 Rpm
95 Mph - 2400 Rpm
100 Mph - 2500 Rpm
Again, not 100% exact, but close enough to give us a good idea of what to expect. I'm not familiar with what rear gears GM likes to use (I have more knowledge with Ford and specifically, the Mustang) so I just chose the base auto gear for that car.
Coincidentally, it seems to be a great gear choice (IMHO - I wouldn't go numerically higher, that's for sure) given the transmission ratios...