Tamiya Blackfoot transmission gear

I put a brushless motor in my 30 year old Tamiya Blackfoot and promptly stripped the counter gear. I then found that they are getting a bit rare, so even though I ordered a new one, I did the cad drawings for my existing gear. I figured that this way if it holds up I'll always have replacements. The gear is 52T 32DP 14.5° pressure angle. The small gear is 17T 32DP 14.5° pressure angle. It fits my transmission perfectly and broke in nicely with the stock gears. I have no idea how well it wi