360 brakes on a 308 gt4 using 16" wheels. | FerrariChat

360 brakes on a 308 gt4 using 16" wheels.

Discussion in '308/328' started by Stimbow, Sep 21, 2022.

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  1. Stimbow

    Stimbow Rookie

    Sep 3, 2020
    19
    Uk
    Hi,
    Has anyone done the conversion of fitting front and rear 360 calipers on a 308 gt4? Including handbrake calipers? And under 16" wheels.

    Any help pictures or diagrams would be much appreciated.
     
  2. topcarbon

    topcarbon F1 Rookie
    Silver Subscribed

    Nov 3, 2006
    2,584
    i have 348s on my 308 with zero issues.
    sorry no help on the 360 fittiment
     
  3. Stimbow

    Stimbow Rookie

    Sep 3, 2020
    19
    Uk
    Did you use rear handbrake calipers?
    What size disc/wheel combination did you use and was there a big improvement in the brakes?
     
  4. st@ven

    st@ven F1 Rookie

    Aug 4, 2008
    3,278
    Netherlands
    Full Name:
    Steven
    I did. Both front and rear. No emergencybrake callipers as I used an inline hydraulic brake

    I use 17” but during testing I used trx wheels

    I did not use 360 disks or 308 disk but a split type disk from superformance. Callipers with costum build brackets
     

    Attached Files:

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  5. Stimbow

    Stimbow Rookie

    Sep 3, 2020
    19
    Uk
    Thanks.
    Something along these lines are what I’m looking to do.
    Have you got any dimensions for the brakes?
     
  6. st@ven

    st@ven F1 Rookie

    Aug 4, 2008
    3,278
    Netherlands
    Full Name:
    Steven
    No. I started with an MDF( wood) for modeling and defined dimensions. After that I had them water-cutted from duralumin. But do not have the drawing anymore
     
  7. sltillim

    sltillim Formula 3
    Silver Subscribed

    Nov 22, 2009
    1,504
    San Diego
    did you use any other 360 parts from that system? master cylinder or brake booster?
     
  8. st@ven

    st@ven F1 Rookie

    Aug 4, 2008
    3,278
    Netherlands
    Full Name:
    Steven
    No only the callipers. I did use a new , slightly larger main cilinder. Bought new from a fiat Ducato van. Same outside but slightly larger bore
    I did ad an adjustable valve to enable balancing between front and rear
     
  9. Hannibal308

    Hannibal308 F1 Veteran
    Rossa Subscribed

    Jan 3, 2012
    6,309
    Kahuku / Cottonwood / Prescott
    Full Name:
    Will
    348 fronts on my 308. Fit under 16” factory 308 wheels just fine.
     

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