If it hasn't been said, it should have been.
You're doing it backwards in the most cost in-efficient way !
Put gears in first, they'll put a grin on your face, and you may be so happy with the increased performance, you may not wish to change the cam.
If you do the cam first, you won't get the grin, nor the kick in the *** feel the gears will, and you'll likely be dissappointed .
PS.. 3:23 - 3:55 would be my choice, depending on hi-way use.
