3.55, 3.73 or 4.10

I like my 3.73's. I also like 4.10's. I will keep my car N/A, so if I could do it again, I would put in 4.10's (probably eventually will). I wouldn't go less than a 3.73, in my opinion.

Remember, you do have overdrive so unless you are driving 85+ then rpm's won't be a problem. If you plan on other mods to the motor and want to keep it N/A then go with 4.10, but if you want a good street gear, 3.73 (possible power adder).

See if you can ride in or drive cars with other gears. Look into it carefully before you make an investment like that, so you know what you really want.