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Specific Brake Upgrade Question: can it be done?!? Brembo...

LTSJayce

By LTSJayce,
in Fabrication

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LTSJayce Veteran

LTSJayce

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Here’s a thought: the R32 V Spec has four spot front and two spot rear factory Brembo calipers. From memory, Ferrari’s F50 front 6 spot Brembos are the same model type, obviously with more pistons. In the theme of keeping the car ‘looking factory’, but upgrading the braking power...has anyone ever attempted this idea:

Swap the front four piston calipers to the rear and fit 6 piston F50 calipers to the front, with upsized rotes on the front(at least...rear upsize?). Has anyone tried or achieved this? I’m sure there’s bracket fab’ and brake bias issues, maybe ABS issues, master cylinder upgrades required, whatever?

Just throwing it out there...

Duncan Grand Master

Duncan

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Fitting F50 to the front is straightforward and has been done many times. They just need the correct adapter to space them properly to whatever disc you choose.

With the rear, that is a lot tricker.  Firstly, no real need to upgrade the rear brakes, they are pretty adequate from factory for pretty much any use. Secondly you need to work out a handbrake setup; the factory rear brakes apply the handbrake to a drum inside the rear disc, so using a front brake setup there will be missing all that. Thirdly, with the pretty large front brakes on the rear you will have big rear bias problems, and need a different master cylinder.  And you need to machine the rear hub to locate the front caliper correctly. All way too much trouble for something that doesn't need changing in the first place....

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LTSJayce Veteran

LTSJayce

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Fitting F50 to the front is straightforward and has been done many times. They just need the correct adapter to space them properly to whatever disc you choose.
With the rear, that is a lot tricker.  Firstly, no real need to upgrade the rear brakes, they are pretty adequate from factory for pretty much any use. Secondly you need to work out a handbrake setup; the factory rear brakes apply the handbrake to a drum inside the rear disc, so using a front brake setup there will be missing all that. Thirdly, with the pretty large front brakes on the rear you will have big rear bias problems, and need a different master cylinder.  And you need to machine the rear hub to locate the front caliper correctly. All way too much trouble for something that doesn't need changing in the first place....

I knew you’d be across this, mate! [emoji108]
  • 6 months later...
djr81 Grand Master

djr81

Posted
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On ‎8‎/‎10‎/‎2019 at 6:47 AM, LTSJayce said:

 

Here’s a thought: the R32 V Spec has four spot front and two spot rear factory Brembo calipers. From memory, Ferrari’s F50 front 6 spot Brembos are the same model type, obviously with more pistons. In the theme of keeping the car ‘looking factory’, but upgrading the braking power...has anyone ever attempted this idea:

Swap the front four piston calipers to the rear and fit 6 piston F50 calipers to the front, with upsized rotes on the front(at least...rear upsize?). Has anyone tried or achieved this? I’m sure there’s bracket fab’ and brake bias issues, maybe ABS issues, master cylinder upgrades required, whatever?

Just throwing it out there...

 

F50's are 4 pot....

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