what about for a 15x6.5 inch wheel, cuz if my current tires fit, i might get the circuit 8's

 

What size are your current tires?

 

195 and 205 fit 5.5"-7" rims.

if you're going to a rim that has a .5" difference in width, you'll most likely be able to fit your old tires on them, unless you're running an odd size.

 

sweet the current ones are 205/50/15, looks like i might be getting some circuit 8's

 

You're going to get rid of about 48 lbs of unsprung weight! Not only will your car accelerate faster, but your ride will improve significantly - well worth the cost of new wheels!

 

well i might get some slips or others now, but either way, they'll be like 13 bls. lighter each...i'm pumped.

 

^i'm doing the exact same thing, i'm probably reducing unsprung weight by about 40-45 lb.

 

Right now, I have the stock 14-inch steel wheels. I wish I knew how much they weigh. Still, I'll bet they are heavier than 12 lbs. And the tires look like they belong on a truck!

 

screw the unsprung weight.

what's really important is that you're reducing rotating mass, which not only reduces overall curb weight, but should also help your handling and acceleration.

 

Actually, reducing unsprung weight, whether it's rotating or not, will improve ride and handling. Certainly, getting weight away from the circumference of the wheel and tire is desireable as well, primarily for acceleration.

In any case, get rid of the weight!