16 - 18" rims for 308 GT4 | FerrariChat

16 - 18" rims for 308 GT4

Discussion in 'Europe' started by Nickt, Mar 15, 2006.

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  1. Nickt

    Nickt Formula 3

    Feb 24, 2006
    1,741
    Iver, Buckinghamshir
    Full Name:
    Nick T
    Hi,
    My Dino is running 15" Compomotive 3 piece split rims, I have checked on a tire size calculator http://www.miata.net/garage/tirecalcold.html and the rims are about an INCH smaller than stock. This means that not only is my speedo 6% out, but I am losing a lot of performance. I also want to upgrade to larger brakes therefore need to go to at least 16" rims.
    Does anyone know of a make that will fit? Something similar to the 360 rims would be cool?
    Something similar to the 360 rims would be cool?

    Regards, and thanks in advance, Nick
     
  2. Dino 208gt4

    Dino 208gt4 F1 World Champ

    Jun 24, 2003
    14,868
    European Union
    Full Name:
    Roel
    Hi Nick,
    your 308gt4 was originally equiped with Michelin TRX 390/220 tyres.
    Not metrics.
     
  3. Nickt

    Nickt Formula 3

    Feb 24, 2006
    1,741
    Iver, Buckinghamshir
    Full Name:
    Nick T
    I think mine came with the 205/70 r14s but in a previous life fitted with these compomotive split rims.
    I have noticed that it is very low, and struggles over the smallest of speed humps. I got it to 130 mph the other day, and checking on the GPS was only doing 123 MPH, this would make sense as the tyres are much too small for the car.
    Regards
    Nick
     

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