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Will 18s slow me down

This is a discussion on Will 18s slow me down within the Wheels and Tires forums, part of the General Help category; If you are doing this for looks, go with what you like best. You are prob talking about loosing 8 ...

  1. #21
    lee1rbc
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    If you are doing this for looks, go with what you like best. You are prob talking about loosing 8 to 12hp. On a LS1 You wouldn't notice, in a civic si it would feel like you left the emergency brake on, lol.

    If you are concerned about 1/4 mile times you want the smallest tire, that still gives you traction. For me switching from 245-50-16 to 275-40-17 gave me a quiker 60ft time .04 avg improvement. But I also had a Dodge that ran a 15flat 1/4. I went to a bigger tire and my 1/4 dropped to 15.2. Since you have a Mustang I am not sure, but I would guess going to a 275-40-17 would be plenty of rubber for a stock car.

  2. #22
    Member csteingraber's Avatar
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    Quote Originally Posted by z_driver1
    wider tires are VERY significant in forward traction
    a wider tire will help a little but you are adding a lot of weight of tire with only adding a little contact patch. it's better to get a stickier tire. That's why people running 9.5 inch wide slicks take off a lot better then vette's with street 325's. My point is that it you want your tires to stick get sticky ones!

  3. #23
    SUPREME member-oderator oneBADDz's Avatar
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    Quote Originally Posted by csteingraber
    a wider tire will help a little but you are adding a lot of weight of tire with only adding a little contact patch. it's better to get a stickier tire. That's why people running 9.5 inch wide slicks take off a lot better then vette's with street 325's. My point is that it you want your tires to stick get sticky ones!
    Oh I agree, didn't mean to sound like I didn't agree about sticky tires you are very right. But why not get WIDER and STICKIER tires. . .mmmmmm. I can feel the whiplash now

  4. #24
    Crazy Canuck ! Eugenio_SS's Avatar
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    fwiw, you get the same area of contact patch, even with a wider tire... the shape of the contact patch is different though.
    If you want more traction, get a better compound (stickier tire).
    But to answer the question, if you want performance, get the smallest diameter widest wheels you can, as long as it clears your calipers.
    18s will slow down since the mass is further from the center... think of it as rotational inertia.
    Eugenio_SS
    almost stock triple-black 2000 SS convertible with 17x11s on all 4 w/ 315s at the track or on the street with 18x10.5s on all 4 w/ 315s: (1), (2)

  5. #25
    Snake Eater
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    Does anyone know where I can get info on how much each of the Corvette rims weigh? Or does anyone know in general? zr1, z06, c6, c5?

  6. #26
    Member Jon7I2's Avatar
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    Quote Originally Posted by Snake Eater View Post
    Does anyone know where I can get info on how much each of the Corvette rims weigh? Or does anyone know in general? zr1, z06, c6, c5?
    Good ?, i am also interested in this

  7. #27
    Slow'er'Ass Mr. Luos's Avatar
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  8. #28
    I Fixed Da Rear jimbo98z's Avatar
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    I guess the main thing is whether you will be carving corners or drag racing more often. The big problem with bit wheels is that they leave you with less sidewall to absorb the shock of launching, which means they spin more. An 18" rim on an f-body seems to be the breaking point as far as launching the car.

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