Wheel and Tire size options

Discussion in 'RT/10 and GTS Discussions' started by krazy-knuck, Jan 25, 2018.

  1. krazy-knuck

    krazy-knuck VCA E Member - International

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    Hi,

    I'm looking to purchase a 1999 RT/10 with 18" wheels with rear 335/30R18, front 275/35R18. I haven't found a lot of tire options in these sizes. Are their any other tire sizes that will work with this vehicle? Do the wheels need to be changed for other tire sizes?

    Thanks,

    Krazy
     
  2. MoparMap

    MoparMap VCA National President

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    The later cars use 345 section rear tires, so that would likely fit under your fenders at least, but looks like those sizes aren't really any more available. They tend to use 19" wheels on the back too, so unless you got new rims you're in a bit of a pickle. My mom has the same problem on her 94 with 18" wheels. It was pretty much Michelin PS2's or full on track tires. She used to have some Kuhmos that she really liked, but they have since been discontinued or at least haven't had another run made in quite some time.
     
  3. krazy-knuck

    krazy-knuck VCA E Member - International

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    OK, thanks for the info.

    What size tires would be compatible if I change the rims to 19"?

    Thanks!
     
  4. Titan1969

    Titan1969 Enthusiast

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    I'm running Toyo Proxos R888R in...
    335/30 R18
    275/35 R18

    1995 RT/10

    Excellent tire and corner grip
     
  5. MoparMap

    MoparMap VCA National President

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    The stock 19" rims take 345/30-19 tires. I've run Michelin Pilot Supersports since I got the car and have been very happy with them. I think you get a few more choices in this size, but it's still pretty slim pickins when you get that wide. I believe the gen 5s run Pirellis and I think Nitto still makes the Invo in that size.
     
    Last edited: Feb 2, 2018
  6. krazy-knuck

    krazy-knuck VCA E Member - International

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    Can you run 20" in the rear and 19" in the front?
     
  7. MoparMap

    MoparMap VCA National President

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    You should be able to, but you'd just have to be careful and watch the overall diameter with a tire mounted. I think many of the custom wheels are larger diameter than stock.
     
  8. Skolnick89

    Skolnick89 VCA Member - Northeast

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    I just bought a beautiful as new 1998 GTS. Red with silver strips.
    But a few oddities.

    Car has CCW wheels 17” rear and 18” fronts. Just ordered same size tires as Car came with, 335/35-17 and 285/35-18.

    I see why 18” upfront. Prior owner upgraded rotors to 14”.

    Does anyone have any clue why prior owner left rear 17”?

    Second question, maybe wrong thread. Ride height. Measured chassis to ground adjacent to front and rear wheels. I have about 4”
    Measured to top of fender I have 26.5 front and 27.5 rear.

    Anyone know where it should be?
     
  9. MoparMap

    MoparMap VCA National President

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    That's pretty bizarre. Wonder if it had something to do with either tire selections or just rim availability. I have a hard time believing CCWs don't come wide enough in 18"+ varieties. Do the tires match? Sometimes people will do funny rear tire sizes for stuff like drag tires, but not typically street setups as far as I'm aware.

    As for ride height, I don't quite remember my exact numbers, but those sound in the ballpark at least. The rear is typically at least 3/4" of a inch higher measured at the frame to the ground. I know I've lowered my car slightly with some MCS singles, so my numbers aren't going to be "right" so to speak.
     
  10. Skolnick89

    Skolnick89 VCA Member - Northeast

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    I found a company that could upgrade my 17” to 18” then I realized no one makes street tires for the rear. Can’t upgrade my wheels to 19”, would need to buy new ones.
     
  11. white out

    white out Viper Owner

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    Toyo, Pirelli and BF Goodrich make street tires for the rear (335/30R18).
     
  12. TCurtner

    TCurtner Viper Owner

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    Skolnick89 likes this.
  13. viper k

    viper k Viper Owner

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    i have some 18/19 sidewinder wheels and tires for $2500 thanks viper k
     
  14. jmarkovicj

    jmarkovicj Enthusiast

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    Do you have pictures, with tires?
     
  15. viper k

    viper k Viper Owner

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    yes i will get you pics i live in pittsburgh pa
     
  16. krazy-knuck

    krazy-knuck VCA E Member - International

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    Hi, do you still have these wheels and tires?
     
  17. viper k

    viper k Viper Owner

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    yes i have the wheels and tires i say ther are a 9 out of 10 give me a call 412 582 0188 thanks ken
     

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