front brake upgrade

arena314

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Hey guys, so I recently boosted my '11 gt brembo car and want more brake in the front. I was wondering what modifications if any were needed to put 6 piston brembo calipers from a 15-17 on my 2011?

Also I currently have racestar 15x10 wheels on the rear of my mustang and my old 19" AMR wheels on the front. I was gonna get 18" racestars for the front but if I do the 6 piston calipers will it clear an 18 inch rim? thank you

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Norm Peterson

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Pads with stronger bite and a higher temperature rating and maybe some extra cooling is likely all you really need.

As far as stopping power is concerned, Brembo fronts, OE rears, with something like G-loc R8 pads (all four corners) will beat the 6 piston fronts, OE rear, all with OE pads combination without breaking a sweat.


Norm
 

arena314

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hmm might be worth a try. I put power stop drilled and slotted rotors and ceramic pads on the car when I got it in april '18 but wasnt entirely impressed and would like more especially now that the power is up. think I should stick with drilled and slotted rotors?

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Norm Peterson

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I'm leaning toward the ceramic pads being responsible for most of your disappointment. Most ceramic pads, and especially those available through any of the big auto parts stores (Autozone, Advance Auto, Pep Boys, etc.) are specifically aimed at the OE replacement market and aren't likely to feel any better or stronger than the OE pads they're replacing. In some cases at least, not even as good or consistently as strong as OE.


Norm
 

Black02GT

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I'm leaning toward the ceramic pads being responsible for most of your disappointment. Most ceramic pads, and especially those available through any of the big auto parts stores (Autozone, Advance Auto, Pep Boys, etc.) are specifically aimed at the OE replacement market and aren't likely to feel any better or stronger than the OE pads they're replacing. In some cases at least, not even as good or consistently as strong as OE.


Norm

+1 most "over the counter" ceramics are focused on brake dust and life. Overall crap when it comes to performance.
 

Norm Peterson

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I found a good page discussing the g-loc pads. I’m looking at something similar for once a year autocross and track day events.

What G-LOC Compound Do I Need?
Thanks for the link. I'm over on that site as well, but had never seen that post before now.

Once a year autocross and track day sounds like Optima, and I'm guessing that with your larger than OE rear rotors R10/R8 or possibly R12/R10. FWIW, at least a few people have gotten more track days out of R10's than from R12's. For the track, R8's up front is strictly choice for entry-level drivers, brand-new novices for their first few events at most.


Norm
 

Norm Peterson

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+1 most "over the counter" ceramics are focused on brake dust and life. Overall crap when it comes to performance.
Yup, designed for the average non-enthusiast who never uses his brakes very hard except under panic situations.

But speaking of "panic situations" . . . it's interesting to note the number of car mfrs that have introduced "brake assist" technology into their cars. Where technology applies the brakes faster than the I'm-not-a-performance-driver is apt to do.

Guess what - pads with stronger initial bite accomplish essentially the same thing (they make it easy to get strong braking right away, shortening the actual stopping distance), the only caveat being that the driver might have to get a little better at modulating the brakes during normal driving (which might be a good thing in and of itself).


Norm
 

Norm Peterson

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Vorshlag, for one source. I think KNSBrakes for another. Possibly direct from G-loc.

As far as the pads are concerned, any rotors will do.

I've personally run plain rotors and rotors that were slotted or grooved only. I won't run drilled rotors, mostly because my car does see occasional track time but at least partly because I'm not into doing mods to suit other peoples' preferences in appearance. I'm a bit of a nonconformist that way.


Norm
 

KBBoss302

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I am a big fan of Ferodo 2500 pads in 4 piston Brembos (have had them in my Boss 302 and 2 Mitsubishi Evo's). Excellent power and great feel. They are a high performance pad and will occasionally squeal briefly and dust a bit but its worth it. +1 for KNS Brakes.
 

cheeser

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Once a year autocross and track day sounds like Optima, and I'm guessing that with your larger than OE rear rotors R10/R8 or possibly R12/R10. FWIW, at least a few people have gotten more track days out of R10's than from R12's. For the track, R8's up front is strictly choice for entry-level drivers, brand-new novices for their first few events at most.

I typically run one autocross event each year as part of the Rocky Mountain Mustang Roundup, although I was thinking in running a few more in the local area for fun. As for track day, I’m definitely the limiting factor...still a bit cautious. As a result, I would prefer pads that I don’t have to swap out each time, but understand the limitations I have to endure.

I’m currently running Hawk 5.0 pads without issues, but that’s because I’m still fairly cautious on the track. I did install larger rear rotors after I upgraded to the Brembos...couldn’t stand the visually small stock rotors.
 

Norm Peterson

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what spec g-loc should mostly fit my need? 4 piston brembo 2011 with a paxton. it's a street car I want quick braking after hard acceleration but it's not running on a course or strip
GS-1 or R6.

Personally, I'd lean toward the R6 given that where you live isn't exactly flatland (and for me at least, G-loc dust and possibly occasional noise aren't deal-breakers).


Norm
 

Norm Peterson

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I typically run one autocross event each year as part of the Rocky Mountain Mustang Roundup, although I was thinking in running a few more in the local area for fun. As for track day, I’m definitely the limiting factor...still a bit cautious. As a result, I would prefer pads that I don’t have to swap out each time, but understand the limitations I have to endure.
As you gain confidence out on the road course, you will outgrow most (if not all) street pad formulations even with bigger brakes.


Norm
 

richmustang1880

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if you did want to put on the bigger calipers all if requires is the 2013 gt500 rotors and bending the factory brake line although obviously better just to replace the lines with the correct ones. Just put 2017 perf pack brakes on my buddies 08 gt and im putting them on my 02 gt/termi swap
 

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