No need to muck with the factory gears if the engine won't play nicely more than halfway through the power band. With the gears that are in it, I never have to run above 3000 rpm. It's when I get on it and push 4000 that trouble starts (running 100+ octane). Changing the rear gears without solving the issues will just keep my maximum speed down. I do like being able to run top down at 85 and still hear the stereo.

I know that even 2.76 can smoke the tires if the engine is happy.