Yes. Infernape would revolutionise your teams coverage by drastic measures.
Infernape would suite your team well, as you don't have a Fire or
Fighting type already. Infernape can come very handy against the
Champions Pokemon with great a movepool and base stats to boost his
usefulness. I know this is Ingame, but Infernape wouldn't be in OU
for no reason!
A good set would be: (Of course hoping that you have enough potions to run this set well)
- Close Combat
- Flare Blitz
- Bulk Up
This nice ingame set needs potions, but will sweep your opponent easily.
I chose Chimchar as my starter when I was playing Platinum, and I have to say that it is a must have on any ingame team.