15x 8 rallye wheels up front on 70 challenger

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    Author Topic: 15x 8 rallye wheels up front on 70 challenger  (Read 1797 times)

    Offline Challenger in NC

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    15x 8 rallye wheels up front on 70 challenger
    « on: January 14, 2016 - 07:54:56 PM »
    I'd like to order a set of 15 x 8 rallye wheels for all four corners. The rear tires will either be a 265/60 or 275/60. I have a stock 8-3/4 rear end with HD leaf springs. The front suspension will basically be stock except for firm feel upper control arms, uscartool fender braces. I will convert the front drums to a disc brake setup that works with the 15" rim. My question is : could I run an 8" rallye rim with a 255/60 tire with proper back spacing without worrying about either steering rub or fender clearance. I'll go with a 15 x 7 up front if I have to, but would rather have all 8" rallyes on a bit taller sidewall tire. Or will I need to go with a narrower tire like a 245 or even 235?

    Thanks
    Chris
    « Last Edit: January 14, 2016 - 08:35:47 PM by Challenger in NC »
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    Offline MrForce

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    Re: 15x 8 rallye wheels up front on 70 challenger
    « Reply #1 on: January 14, 2016 - 08:19:23 PM »
    I put a 19x9 on the front of my Challenger and cracked a Fiberglass front fender the first time I parked it. I just installed 18x8s on the front of the Cuda and have not driven it but it cycles and jounces just fine.

    Rob
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    Offline Challenger in NC

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    Re: 15x 8 rallye wheels up front on 70 challenger
    « Reply #2 on: January 14, 2016 - 08:37:44 PM »
    Quote from: MrForce on January 14, 2016 - 08:19:23 PM
    I put a 19x9 on the front of my Challenger and cracked a Fiberglass front fender the first time I parked it. I just installed 18x8s on the front of the Cuda and have not driven it but it cycles and jounces just fine.

    Rob

    What size front tires are you running?
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    Offline bc3j

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    15x 8 rallye wheels up front on 70 challenger
    « Reply #3 on: January 15, 2016 - 11:16:01 AM »
    I use 15x7 with 3.75" backspace up front with 225/60 tires. Rears are 15x8 4.5 bs and 245/60 tires. Those sizes are almost identical diameter to the original T/A rake with E60s and G60s. Of course my fronts are smaller than a lot of guys use. I went this combo for the original rake of the T/A, but you can get larger tires on the car. My suspension is all stock '70 R/T. Also have the 11.75" Córdoba rotors up front.
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    Offline MrForce

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    Re: 15x 8 rallye wheels up front on 70 challenger
    « Reply #4 on: January 15, 2016 - 11:43:17 AM »
    Quote from: Challenger in NC on January 14, 2016 - 08:37:44 PM
    What size front tires are you running?

    On the 19x9s  - 265/ZR35-19 Michelin

    On the 18x8s - 245/ZR40-18 BFG Comp -2

    Rob
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    Offline Challenger in NC

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    Re: 15x 8 rallye wheels up front on 70 challenger
    « Reply #5 on: January 15, 2016 - 01:04:43 PM »
    Quote from: bc3j on January 15, 2016 - 11:16:01 AM
    I use 15x7 with 3.75" backspace up front with 225/60 tires. Rears are 15x8 4.5 bs and 245/60 tires. Those sizes are almost identical diameter to the original T/A rake with E60s and G60s. Of course my fronts are smaller than a lot of guys use. I went this combo for the original rake of the T/A, but you can get larger tires on the car. My suspension is all stock '70 R/T. Also have the 11.75" Córdoba rotors up front.

    Nice.
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    Offline Mopar Mitch

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    Re: 15x 8 rallye wheels up front on 70 challenger
    « Reply #6 on: January 15, 2016 - 01:14:38 PM »
    NC -- I have 15x8 minilte rims f/r... I used to have 245-60 up front, but they are too small (IMO)... and now I have new 255-60 fronts and keep the 275-60 rears (also replaced new)... no problems on a Challenger body (you may want to tuck your lips in for added safety).  I've run these on factory 15x7 ralley rims in the past.. again, no problems.  The 255-60 fronts give a bit more cushion with harsh road/bumps (my suspension is stiffly setup for AX/HSAX/HPDE (lowered ride height, as well), although I also have other rims/tires for those events... the 15x8 rims/tires are for cruising... very nice comfortable ride!).
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    Autocross/road racers go in deeper... and come out harder!

    See  MOPAR ACTION MAGAZINE, AUGUST 2006 ISSUE for featured article and details on my autocross T/A.

    Offline Challenger in NC

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    Re: 15x 8 rallye wheels up front on 70 challenger
    « Reply #7 on: January 15, 2016 - 03:18:29 PM »
    Quote from: Mopar Mitch on January 15, 2016 - 01:14:38 PM
    NC -- I have 15x8 minilte rims f/r... I used to have 245-60 up front, but they are too small (IMO)... and now I have new 255-60 fronts and keep the 275-60 rears (also replaced new)... no problems on a Challenger body (you may want to tuck your lips in for added safety).  I've run these on factory 15x7 ralley rims in the past.. again, no problems.  The 255-60 fronts give a bit more cushion with harsh road/bumps (my suspension is stiffly setup for AX/HSAX/HPDE (lowered ride height, as well), although I also have other rims/tires for those events... the 15x8 rims/tires are for cruising... very nice comfortable ride!).

    Great, thanks for the input.
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