http://www.columbusracing.com/forums/picture.php?albumid=738&pictureid=7181
Gear Ratios Shift RPM RPM after Shift
3.083 0
2.062
7500 5016
7000 4682
6500 4347
6000 4013
5500 3679
1.545
7500 5620
7000 5245
6500 4870
6000 4496
5500 4121
1.151
7500 5587
7000 5215
6500 4842
6000 4470
5500 4097
0.825
7500 5376
7000 5017
6500 4659
6000 4301
5500 3942
I would say shift at 7K.