Originally Posted by bradcc

I found out that the grinding only happens if I shift slowly. Ie. gently push the gear lever down, waiting for the rev to drop a bit and let the lever slide into the 2nd gear gate like I usually do.

However, I don't get the grind if I shift faster and push it into 2nd. Would this be bad for the synchro? I learned to shift slowly to avoid grinding on my S2000, but the z seems to like it hard...

Is it better to screw the synchro by shifting fast, or screw the gear by letting it grind?

The grinding goes away once the car warms up though.. it slides into 2nd gear effortlessly when the rev is in the right range..