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Borrani wheel sizes for a Daytona

Discussion in 'Vintage (thru 365 GTC4)' started by professor88, Feb 10, 2013.

  1. professor88

    professor88 Rookie

    Jan 10, 2010
    49
    Can anyone definitively tell me if 9s in the rear were ever an option from the factory? I have tried various sources and found conflicting answers. It seems 7 1/2 wheels all around is considered concours by most. There also seems to be many cars with various combinations such as 7 1/2 in front, 8s in the rear or, 8s in the front and 9s in the rear etc. Can anyof you weigh in with your opinions both visual and handlingwise regarding this as I would like to purchase a set of Borranis for my car--thanks to all in advance. I have checked the Registry on this by the way. Thanks again...
     
  2. Edward 96GTS

    Edward 96GTS F1 Rookie
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    Chromodoras, 7 1/2 x 15 standard. No other sizes available as an option.
    Borranis, 7 1/2 x 15 standard size. No other sizes were available as an option.
    9x15 cromodoras i believe were first introduced on the boxer 512 bb.
    For concours go with 7 1/2 x 15
    For purely aesthetics go cromodoras 7 1/2 x 15 front and 9x15 rear and Wrt borranis go 7 1/2 x 15 front and 8x15 rear
     
  3. Daytonafan

    Daytonafan F1 Rookie

    Oct 18, 2003
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    AFAIK 9" rears were homologated on the Daytona to allow the fitment of wider 11" wheels on the Series 2 and 3 race versions. The race wheels were however made by Campagnolo and not Cromodora.

    How many (if any) Daytonas were actually delivered new with 9" rears is another matter.
     
  4. Zarathustra

    Zarathustra Formula Junior

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    There was never a factory option for 9 inch rears. (I’ve never heard of 8 inch Cromodoras.)
    However, period racing Daytonas used 9 inch fronts and 11 inch rears.
    Some clients purchased the 9 inch racing wheels and put them on the back of their street cars. Racing 9 & 11 inch wheels can currently be purchased from Roelofs.
     
  5. professor88

    professor88 Rookie

    Jan 10, 2010
    49
    sorry for the misunderstanding---regarding 8s and nines I was asking about Borranis not cromodoras and any other non-racing option other than 7 1/2s
     
  6. Strictly Ferrari

    Strictly Ferrari Formula Junior
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    #6 Strictly Ferrari, Feb 10, 2013
    Last edited by a moderator: Sep 7, 2017
  7. El Wayne

    El Wayne Global Moderator
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    I edited the thread title. Hopefully this will prevent continued confusion.
     
  8. Edward 96GTS

    Edward 96GTS F1 Rookie
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    no such thing as 9 1/2.
    only 9x15
    what is the color? silver metallic paint?
    ed
     
  9. Daytonafan

    Daytonafan F1 Rookie

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    If you are asking about 9" Borranis then best to speak to F-chatter Wheels1. He has a set on his Spyder (Conv) but these were not original fit to the car. It's also discussed in the Holey Daytona thread.
     
  10. Wheels1

    Wheels1 F1 Rookie
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    9" Borranis work fine on the rear of my Daytona and do improve the handling I would think. It's hard for me to judge the handling though, as my car has been strengthened a lot since I had the 7&1/2" rears on.
    Don't forget to order new Borrani spinners, to go with the wheels, as the original one's for the alloy wheels will not fit, safely.
     
  11. professor88

    professor88 Rookie

    Jan 10, 2010
    49
    Thanks wheels1 for the tip. Do you have 7 1/2 borranis and 9 rears on your car? And would it be too much trouble to post a pic of it from the side? Thanks again
     
  12. Wheels1

    Wheels1 F1 Rookie
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    #12 Wheels1, Feb 12, 2013
    Last edited by a moderator: Sep 7, 2017
  13. simondgb

    simondgb Rookie
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    Was there ever an option to fit 4300&4301 borranis to a 1970 US Spec Daytona? I currently have 4075 which I believe to be original to my car
     
  14. Edward 96GTS

    Edward 96GTS F1 Rookie
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    not from the factory.
     
  15. bighitter2

    bighitter2 Formula Junior

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  16. bighitter2

    bighitter2 Formula Junior

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    Also with the 9” you go with a 225 instead of the 215 ...personality i think 8” all around looks the best
     
  17. Longstone Tyres

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