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172 vs 172 Cup

Discussion in 'Race/Track Car Discussion' started by KieranM, Jul 17, 2017.

  1. KieranM

    KieranM

    Joined:
    Apr 5, 2012
    Messages:
    12
    I'm looking to build a track car to compete in SLS next year and I am not sure if buying a 172 Cup is worth the extra money. The car will be getting all interior and heaters stripped out, poly windows, cage etc. It will also be getting coilovers. Am I right in thinking that the only thing left on the car that is different between a 172 Cup and a normal 172 would be the lack of ABS and TC?
     
  2. shiftspark

    shiftspark ClioSport Club Member

    Joined:
    Apr 27, 2008
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    2,017
    Location:
    Manchester
    Car:
    GT86,172 Cup
    Yep pretty much, if your stripping it completely then no point in buying a cup.
     
    imprezaworks and Darren61 like this.
  3. shiftspark

    shiftspark ClioSport Club Member

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    Location:
    Manchester
    Car:
    GT86,172 Cup
    Oh and air con
     
  4. Canary172

    Canary172 ClioSport Club Member

    Joined:
    Dec 23, 2012
    Messages:
    403
    Location:
    Leamington Spa
    Car:
    172 Cup
    Wider track too (if that's a priority)
     
  5. KieranM

    KieranM

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    Apr 5, 2012
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    What's different to achieve the wider track?
     
  6. STEVE.M

    STEVE.M ClioSport Club Member

    Joined:
    May 18, 2014
    Messages:
    2,278
    Location:
    Luton,Beds
    Car:
    clio 172,pug 106D
    The wheels have a different ET.
    48.5 for PH2, 38 for Cup.
     
  7. Mertin

    Mertin ClioSport Club Member

    Joined:
    Oct 21, 2008
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    90
    Location:
    NE Scotland
    Car:
    Ph1 172&Ph2 172 Cup
    Driveshafts are different lengths on the cup are they not, so must be a difference elsewhere for the wider track?
    They have more castor due to the balljoint position on the front wishbone but these can be fitted to a non cup car anyway.
    Rear has -2deg camber, again can be done on any car with camber shims
     
  8. Canary172

    Canary172 ClioSport Club Member

    Joined:
    Dec 23, 2012
    Messages:
    403
    Location:
    Leamington Spa
    Car:
    172 Cup
    Apparently the lower suspension arm interface on the Cup's subframe is further outboard in comparison to a standard 172. As a result the distance from hub to gearbox is greater which requires the driveshafts to be longer.
     
  9. KieranM

    KieranM

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    Apr 5, 2012
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    So to get to cup spec I'd need to change the lower arms and driveshafts, or would I need the subframe too?
     
  10. massivewangers

    massivewangers ClioSport Club Member

    Joined:
    Jan 28, 2015
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    Location:
    Norfolk/Essex
    Car:
    Several
    @midge has measured subframes and says that there isn't a difference
     
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  11. midge

    midge ClioSport Club Member

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    5,414
    I had a pile of 8 subrames here, from various sport models and there is no difference in subframes, the only one that has the holes further in is a ph1 one.
     
    massivewangers and STEVE.M like this.
  12. midge

    midge ClioSport Club Member

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    Oh Steve M was round one day with a tape measure to, so he can also back that up.
     
  13. KieranM

    KieranM

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    Apr 5, 2012
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    12
    So the only chassis differences is the lower arms?
     
  14. Goodj

    Goodj

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    Location:
    Ely
    Car:
    Listerine & Poledo
    Get on ebay and you'll probably find a 1/2 dozen other ex-CS Clios that have had most this done already, they pass through here on an almost bi-monthly basis.
    You might need to pull out some carpet, or remove some "tasteful" mods for someones ex road/track 'weapon', but better that than destroying an un-modified example
     
    STEVE.M likes this.
  15. STEVE.M

    STEVE.M ClioSport Club Member

    Joined:
    May 18, 2014
    Messages:
    2,278
    Location:
    Luton,Beds
    Car:
    clio 172,pug 106D
    172 cup had 1 piece rh driveshaft.
     
  16. JakeyA

    JakeyA ClioSport Club Member

    Joined:
    Jun 29, 2017
    Messages:
    64
    Car:
    Ph2 Clio 172
    Cup had 5mm thicker rear stub axle bases/mounting flange aswell "apparently"

    Is that where it gets the camber from of is that a cup spec rear beam?
     
  17. midge

    midge ClioSport Club Member

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    I have noticed differences in stub axles but as far as i know thats just another phase difference not cup difference.
     
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  18. bloke

    bloke ClioSport Club Member

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    Nov 24, 2013
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    5,807
    Location:
    wirral
    Car:
    dan's cast offs.
    fwir 182 has the thicker stub axle?
     

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