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Old 04-24-2012, 07:16 PM   #1
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At what tire size do you upgrade brakes?

At what point do you upgrade to performance calipers and rotors? Is it 35's or 37's etc...

When I built my Mustang the brakes were the first thing I upgraded. I know the Wrangler is not a speedster, but you have to upgrade the brakes with larger wheels/tires right? Something has to account for the increase in rolling mass.

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Old 04-24-2012, 07:23 PM   #2
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I have seen people run 40's on stock brakes. Brakes are important but the pad's have a lot to do with how much bite you have, and the stock master cylinder is one of the weak points of the braking system I believe. teraflex sells one that is decent.
Bigger calipers only help to disipate the heat mainly and you wont be doing any crazy track driving ( I hope ). fade is the main reason you upgrade brakes on a performance car not for more power. If you have enough power to activate your abs your brakes are adequate.

And aftermarket brakes will not fit 15's if you go that route.

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Old 04-24-2012, 07:26 PM   #3
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Had my first panic stop in the Jeep today (only had it a month). I'd say the brakes need upgrading with the stock wheels and tires Those grabbers are rather casual.
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Old 04-24-2012, 07:31 PM   #4
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Originally Posted by ThingsAbove
Had my first panic stop in the Jeep today (only had it a month). I'd say the brakes need upgrading with the stock wheels and tires Those grabbers are rather casual.
Change your pads out to a good ceramic set or equivilant. Clean the rotor with brake clean before installing new pads.
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Old 04-24-2012, 07:45 PM   #5
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See if you can get hold of the 13in export model front discs (instead of the US 11.5in discs) and the 2010 model master cylinder (has larger bore for some reason and is equivalent to the Teraflex big brake kit master cylinder upgrade).

You will struggle to find even 16in rims that will fit over them, but they stop really well!

These pics shows the clearance from our stock front calipers to the inside of the stock 17in rims:



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Old 04-24-2012, 08:00 PM   #6
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Originally Posted by SeaComms View Post
See if you can get hold of the 13in export model front discs (instead of the US 11.5in discs) and the 2010 model master cylinder (has larger bore for some reason and is equivalent to the Teraflex big brake kit master cylinder upgrade).

You will struggle to find even 16in rims that will fit over them, but they stop really well!

These pics shows the clearance from our stock front calipers to the inside of the stock 17in rims:



Interesting!! Thanks for the great pics and part numbers!
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Old 04-25-2012, 03:49 PM   #7
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The master cylinder will be your best upgrade.
It is a very common myth that upgrading to big brakes gives you a shorter stopping distance. I assure you that big rotors by them selves do not.
The limiting factor is how much pressure can be applied via the caliper to the rotor. The pressure is determined by what the master cylinder will allow.
Not to say bigger rotors are a bad thing though, because they are a very good upgrade and will help a lot with brake fade and cooling.
and also as said before a nice set of ceramic pads is a must to.
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Old 04-25-2012, 04:31 PM   #8
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once you put on 35's you should be looking at EBC pads. they have a great selection for all types of driving,

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