I am in the process of installing new 3.55 ring/pinion gears from one of the vendors into the rear end of a 1949 chevy 1/2 ton.

I am at the point of checking the gear contact pattern. I have 0.030" shims installed and have 0.005" backlash.

Can I get some feedback on this contact pattern and what next adjustments to the backlash or shims I should make? I am not sure how I should proceed. Pictures are at this link:

http://s1285.photobucket.com/user/1866yellowboy/library/Ring%20and%20Pinion%2025%20Thou%20Shim

The dark black mark towards the bottom of the of the gear tooth is the coating on the gear tooth. The entire ring gear was this color when starting and has worn off in the area above it as I have been changing shims and checking contact patterns. I have incorrectly labeled the photobucket album (the pictures are with 30 thou shims not 25 thou) but they are the correct pictures.

Thanks in advance!