Do you think 18's

[camaro96outlawz]

Do you think 18" inch eagles rims are to big to use to race but I also have street steel tires if any of u all have 18" slow you down or dont make a diffrence?

[AlienInv8r]

Yes! They make a huge difference. My car is slow as molasses and loses to tons of cars that I should be beating. Rotating weight makes much more of a difference in weight than just plain weight. Your moment of inertia=M*R^2. So when you add 2 inches to your rotating mass, that becomes 18" inches squared, with the majority of your weight at the outside of the wheel. So it takes a ton more to turn it. To give you an example-I have 275/40/18s out back, and I just got my gears done a few weeks ago. I still can't spin tires from a standstill just flooring it. But I'm sure I could roast the stock tires.

[camaro96outlawz]

so u got 18" with gears and u still slow?

[V6Firebird94]

depends also if there chrome or aluminum(are lighter)....my chrome rims slow me down quite a bit, with the stock rims it goes a lot quicker...since my mods with old rims and tires i can go sideways through first hit second and go the other way...and no i am not [img]graemlins/bs.gif[/img] ing....with My Chrome Rims and Drag Radials it gets better traction but is weighed down