Try running 215/60's with the 3.36 in second. Thats what im running and turning about 7300 rpm. I tried out the 4.11 in third with 22.5/7.0 american racers and it dropped my rpm to about 6000. It also depends on how big of a track you are running.
Im not sure how much power im making but I run a 3/10 mile track and on that small of a track my car didnt have the power to keep the rpm up with the 4.11 but, I couldnt stay in the gas through the turns either. On a quarter mile you might be ok with a 4.11 and 205's. Or you could still try going up to 215's and keeping your 3.36 and second gear. If you can turn the 4.11 and you still need more gear after trying 215's with the 3.36 you could try a 3.70 and third gear, and 205's. All you can do is try..
You take your current tire diameter, divide it by the newer tire diameter. Keep the result and multiply the RPM of the speed you want to run with the previous result. You'll find the exact rpm it will rev.
I don't know tires measurements so I'll take fake numbers for the example but the calculation is the same.
Hey Hodge, I am running a 336 with the 215 tires and I am only running about 7300 rpms I know with the 205's it seemed like I was close to 7800 Dont know if that helps. I know I would like to try a 362 and see if it would work or be to much