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BREMBO 6 POT vs ROTOR SIZE


Snowbear77

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  • Member
  • Member For: 4y 4m 4d
  • Gender: Male
  • Location: Perth

Finally found a set of 19 inch FPV Twists, and now will be finally going the brembo upgrade. I've read in several places that the 6 pot brembo's will fit under these wheels, though the question I have - what is the maximum size rotor I can fit under a set of 19 inch twists?

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  • Member
  • Member For: 4y 4m 4d
  • Gender: Male
  • Location: Perth

I found a place that will fabricate the brackets and fit a shiny new set of brembo's. ( if that helps ). I just cant figure out the max size of rotors that can fit under the FPV 19 Twists.....

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  • less WHY; more WOT
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  • Member For: 16y 8m 16d
  • Gender: Male
  • Location: Melbourne

measure it, I guess... I can't tell you without knowing how they'll make the bracket or fit the caliper :) test-fit and measure the gap and go with whatever rotors fit inside that sizing.

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  • Member For: 5y 5m 26d

The 355mm rotor is designed to fit the Brembos, both 4 and 6 piston front. Going any bigger is pointless because the pad can only engage as much rotor as designed. Plus, unless you go 2 piece rotors, you're adding unnecessary sprung weight with bigger rotors

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  • Member For: 13y 11m 7d

For extra inputs sake, I got a set of 355 rotors and Brembo 4 pots here off a FG-X XR8. The diameter part of the equation fit under the stock FG Mk1 18's but the offset part of the equation is a fail. Calliper hits the rim spokes. 

 

As mentioned by the brains trust, it all comes down to how the bracket and rotor hat are sized. For what it's worth I've got a set of big pad area AP 6 piston and a 355mm rotor hidden in behind a set of 17's on my HJ ute. 

What I'm trying to say if you ignoring the blowing my trumpet part, is it all comes down to measurement and employing someone that knows what they are doing. And I'll add another curve ball, for some reason in Australia you will pay mega bucks for a custom brake bracket and rotor hat. From my experience, they can be had significantly cheaper going overseas if you are able to cad the designs up yourself and specify material / tolerances etc. 

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