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Go Back   TDIClub Forums > VW TDI Discussion Areas > Upgrades (non TDI Engine related)

Upgrades (non TDI Engine related) The place of handling, lighting and other upgrades that do not relate to the performance or economy of the TDI engine. In other words upgrades to your TDI that don't fit into TDI Fuel Economy & TDI Engine Enhancements.Please note the Performance Disclaimer

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Old May 1st, 2017, 18:05   #1
adjat84th
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Default MK7 Brake Upgrade

Looking into upgrading brakes on my MK7 Golf and have my eyes set on GTI brakes that come standard with the performance package. In my searching, it appears that only the caliper carriers need to be acquired in order to fit the standard GTI rotors as they use the same caliper as the Golf. In going one step further, it looks as though the carriers from the PP GTI will also work with the difference only being that the PP uses a 60mm piston vs 57mm. My question is, how big of a difference will it make to use the standard 57mm piston calipers on my Golf on a larger 340mm rotor with larger pad where a 60mm piston is used with the PP? This would be far cheaper than going with other big brake kits available out there!

Appreciate any input or feedback!
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Old May 2nd, 2017, 08:34   #2
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What makes you think you need to upgrade the brakes? Have they gotten that bad since the A5's? My brakes are fantastic, of course I do something many find silly as in not coasting in neutral downhill and up to stops.

Unless your car has really crappy brakes, tires can have a profound effect on braking. I always go with the 40K better traction tires.
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Old May 2nd, 2017, 16:34   #3
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A buddy of mine puts it in neutral every time he goes to slow down, drives me crazy. I tell him he's killing his fuel economy and his brakes at the same time!
The brakes are fantastic on the MK7 Golf, just want a bit more to fill the wheel up and also will be doing a few autocross events in the future, so this won't hurt.

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Old May 3rd, 2017, 15:11   #4
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Doing a bit of racing could be a good reason for upgrading the brakes. My inclination would be to go with some stickier tires first and then upgrade the brakes when the factory brakes/tires are worn out or are not really working out for your racing use.

Something else to consider as well is what size brakes are on the rear of the GTI and will bigger rotors rub on the inside of your factory wheels?

You can blame Drivers Ed for the decline of the manual transmission. I remember how relieved I was as a young whelp that I didn't have to learn the finer points of driving because all the Drivers Ed cars had automatics.

Just part of the dumbing down of America. Yup. Stupid is the new smart. Your pal is a victim of this............
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Old May 3rd, 2017, 15:40   #5
adjat84th
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Yes, factory wheels on the GTI are 18" and I just switched out my factory 18"s for lighter weight 18"s. Saved five pounds of rotational mass which should be noticeable in the fuel economy. There won't be any fitment issues. My only concern was the use of my stock 57mm pistoned calipers where the GTI w/ PP uses a 60mm piston to push the larger pad onto the larger rotor. I am thinking I'll be ok, but wanted to ask here first before getting just the carriers all around.

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Old May 3rd, 2017, 16:29   #6
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I think it should work fine. You'll obviously be getting some of that rotational mass back with the heavier rotors- drilled/slotted ones might not be much heavier.
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Old May 4th, 2017, 10:24   #7
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Turns out the GTI w/ PP rotors are 5mm (25 vs 30) and 10mm thicker (10 vs 20) front and rear respectively. I think that may not work with the TDI's stock calipers unless there's that much travel in the piston to allow that large of a variance especially in the rear?
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Old May 5th, 2017, 09:11   #8
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the master cylinder isn't made for the larger piston calipers on the performance pack.

Best bet is the 312mm brake upgrade with better pads.
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Old May 5th, 2017, 10:17   #9
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Quote:
Originally Posted by 20IndigoBlue02 View Post
the master cylinder isn't made for the larger piston calipers on the performance pack.

Best bet is the 312mm brake upgrade with better pads.
Correct, the thought was to use only the carriers with the stock calipers because switching the calipers costs quite a bit more, plus you'd have to swap master cylinders as well. But yes, looking like the standard GTI brakes are the only way to go cheaply.

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Old May 5th, 2017, 12:48   #10
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If you must spend money, spend on a proper upgrade not cupra-golf R setup, those are little better than what you have but far away from BBK

Best bang for your $ will be the Z18 caliper upgrade + light 340mm discs
18" wheels of course.

this is my setup, but will upgrade to bigger and lighter discs after the tune


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Old May 5th, 2017, 20:20   #11
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^Very nice! Thanks for the suggestion. I'm not in a rush, so this could make the cut.

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Old May 8th, 2017, 08:42   #12
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Quote:
Originally Posted by adjat84th View Post
^Very nice! Thanks for the suggestion. I'm not in a rush, so this could make the cut.

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Those calipers, depending on what wheels you have, may not clear the caliper, so you would need spacers.

Just something to take into account
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Old May 8th, 2017, 16:54   #13
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Correct, been doing quite a bit of researching and I believe my new wheels have a bit more room on them with the design of the spokes, but could just run some spacers if needed.
Wondering if the 18Z or 17Z will not affect pedal feel with the stock master cylinder. That would be my biggest concern. Found a great resource for purchasing from a place called Rotorlab that suggests the 18Z may affect pedal feel, so I'm contacting them to see if they have experience with the MK7s.
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Old May 9th, 2017, 15:38   #14
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For sure it will affect pedal travel, little bit longer but braking is so strong
You can upgrade to 25.4mm master cylinder to have a better pedal feel.
I will do this but its not a priority now.
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Old May 9th, 2017, 21:36   #15
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Which vehicle are you looking to upgrade?

My best suggestion and like others have mentioned is to put the best tires possible on the car to improve your braking.
https://www.youtube.com/watch?v=uZltSorr9W0

The next thing to do after upgrading to a better set of tires, is going with aftermarket brake pads that are suited to the driving you'll be doing. If you'll be going to some Auto-X events, then go with a set of pads that made for Auto-X.

I've heard good things about http://www.g-locbrakes.com/
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