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308 gtb alignment

Discussion in '308/328' started by cantthinkofone, Mar 1, 2021.

  1. cantthinkofone

    cantthinkofone Karting
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    Jul 12, 2018
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    New York
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    Michael Orifici
    Just finished putting new QA1s in. Will be sending it off for a alignment but have some questions.
    1- what are the factory specs?
    2- what are you track guys/autocross runing for specs?
    3- most important- i know shims are used for adjusting camber, should i purchase extra shims? If so typically how many?

    I had an alignment done on my alfa last year that turned into a shim nightmare. Just want to be prepared this time. Thanks!

    Fyi stock rims tires.

    Sent from my SM-G960U using FerrariChat.com mobile app
     
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  3. miketuason

    miketuason F1 World Champ
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  4. Ferraridoc

    Ferraridoc F1 Veteran

    Jun 20, 2012
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    Patrick
    I would like to crank on some castor for stability and turn/camber change. Has anybody wound up the castor?
     
  5. Steve Magnusson

    Steve Magnusson Two Time F1 World Champ
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    Jan 11, 2001
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    The caveat that I'd add here is that was for getting even tire wear in street use when using the wider 16" or 17" wheels and tires -- if the OP has the narrower stock 14" wheels and tires that may be a different situation.
     
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  6. JCR

    JCR F1 Veteran
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  8. Brian A

    Brian A Formula 3

    Dec 21, 2012
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    1983 US 308 GTS QV
    Buying shims might be a good idea. I brought a bunch because the shop may not have many and shims are cheap (and they charged by the hour so I would be paying them to scrounge the shop for shims). For me, it turned out they removed a lot of shims for the alignment after I lowered my car.

    Castor angle can be adjusted a tiny bit by moving the spacers on either side of the hub units but I doubt that is the intent of the spacers. Otherwise there is no formal method of adjusting castor. Personally, I have never thought the car needed more castor.
     
  9. Andy 308GTB

    Andy 308GTB Formula 3
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    Jun 2, 2004
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    This is what happened to me. I guess lowering the car is the reason?
     
  10. cantthinkofone

    cantthinkofone Karting
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    Jul 12, 2018
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    Michael Orifici
    I lowered my car so it sound like I shouldn't need extra shims. Correct?
     
  11. Brian A

    Brian A Formula 3

    Dec 21, 2012
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    1983 US 308 GTS QV
    With two data points (mine and “cantthinkofone”) it sounds like lowering reduces shim requirements.

    To get the alignment exactly right, the alignment shop did use a few of the thinner shims I brought because the original shim pack had only thicker shims. Whether or not they had such shims in their stock supply, I cannot say.
     
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  13. AndruL

    AndruL Karting

    Apr 4, 2018
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    AndruL
    For camber adjustment, if you lowered your car, you'd more likely be removing shims rather than adding. In my case, after installing QA1s, I had to removed all of the camber shims on all 4 wheels to get camber closed to spec. Still not quite there.
     

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