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Gaz's mk2 big brake upgrade
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TOPIC: Gaz's mk2 big brake upgrade
#40370
Gaz's mk2 big brake upgrade 5 Years, 3 Months ago Karma: 14
Hi all, I completed this upgrade on my car a few months ago, and have since sold a number of kits to allow others to do the same.

This allows the fitment of bigger discs on the rear (mazda rx8 front 323x22mm) but keeps the stock rear (rev2+) calipers, and allows the fitment of bigger front discs (supra twin turbo (uk spec) 323x30mm) and nissan 200sx s14a 4 pot calipers.

The brackets are CNC machined from a solid block of aluminium

The reason I chose to base the kit on these calipers, is because they're relatively cheap and easy to find. The 300zx and i've been told r32 GTR calipers also fit, as they share the same bolt patterns.

The difference in braking performance is incredible, and everyone who's bought them so far have said they're awesome

The kits are priced as follows:

Front brackets only, with all mounting hardware £75 inc. uk delivery
Front and Rear brackets, with all mounting hardware £145 inc. uk delivery

Full fitting instuctions with pictures are included with the kits

You will need 17" or bigger wheels, and have 60mm clearance between your disc face and back of wheel spokes to clear the caliper

Here are some pics:

Rear brackets

_KUNENA_BBCODE_HIDEIMG

Front brackets

_KUNENA_BBCODE_HIDEIMG

Fronts fitted

_KUNENA_BBCODE_HIDEIMG

_KUNENA_BBCODE_HIDEIMG

Behind an 18" wheel

_KUNENA_BBCODE_HIDEIMG

If anyone is interested in doing this conversion, please let me know, and i'll be happy to help :yes:
GazRev1Tubby
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#40388
Re: Gaz's mk2 big brake upgrade 5 Years, 3 Months ago Karma: 312
Nice job Gaz! do you have to change the bias valve between the front and the back brake system though?
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#40397
Re: Gaz's mk2 big brake upgrade 5 Years, 3 Months ago Karma: 213
Nice product

Few other mods to do first but brakes are on my to-do list later in the year.
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#40417
Re: Gaz's mk2 big brake upgrade 5 Years, 3 Months ago Karma: 14
Cheers fellas

Quandry wrote:
Nice job Gaz! do you have to change the bias valve between the front and the back brake system though?

I didn't mate no, and nobody else thats fitted them have either. I fully tested them myself before offering them as kits, and was suitably pleased that no other modifications were necessary.

The difference over a stock rev2+ setup is like night and day.
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#40434
Re: Gaz's mk2 big brake upgrade 5 Years, 3 Months ago Karma: 25
Looks good, can you tell me if these will fit under a stock 15" wheel?
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#40436
Re: Gaz's mk2 big brake upgrade 5 Years, 3 Months ago Karma: 213
weeJohn wrote:
Looks good, can you tell me if these will fit under a stock 15" wheel?

i think gaz mentioned you'd need 17s
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#40440
Re: Gaz's mk2 big brake upgrade 5 Years, 3 Months ago Karma: 312
GazRev1Tubby wrote:
Cheers fellas

Quandry wrote:
Nice job Gaz! do you have to change the bias valve between the front and the back brake system though?

I didn't mate no, and nobody else thats fitted them have either. I fully tested them myself before offering them as kits, and was suitably pleased that no other modifications were necessary.

The difference over a stock rev2+ setup is like night and day.


70 - 80% of braking is done by the front wheels anyway (from memory?) so really the only reason to upgrade rear discs would be for aesthetics.

Is it the same bolt pattern for Brembo calipers? it may be my Australian roots but I'd have trouble putting Nissan callipers on my car
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#40459
Re: Gaz's mk2 big brake upgrade 5 Years, 3 Months ago Karma: 25
Spidey wrote:
weeJohn wrote:
Looks good, can you tell me if these will fit under a stock 15" wheel?

i think gaz mentioned you'd need 17s


He did, I got a bit excited there and never read to the end lol.
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#40461
Re: Gaz's mk2 big brake upgrade 5 Years, 3 Months ago Karma: 133
[/quote]

70 - 80% of braking is done by the front wheels anyway (from memory?) so really the only reason to upgrade rear discs would be for aesthetics.
[/quote]

I think mid engine cars use the rear brakes more than cars with engines up front. I changed my rear calipers to Wilwood's because I was fed up with the original calipers seizing (though I must say four pots do looks nice on the rear ).
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#40462
Re: Gaz's mk2 big brake upgrade 5 Years, 3 Months ago Karma: 154
Spidey wrote:
weeJohn wrote:
Looks good, can you tell me if these will fit under a stock 15" wheel?

i think gaz mentioned you'd need 17s


What beef has Aus got against Nissan? lol
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#40466
Re: Gaz's mk2 big brake upgrade 5 Years, 3 Months ago Karma: 14
Quandry wrote:

Is it the same bolt pattern for Brembo calipers? it may be my Australian roots but I'd have trouble putting Nissan callipers on my car


Grind the "Nissan" off
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#40485
Re: Gaz's mk2 big brake upgrade 5 Years, 3 Months ago Karma: 22
Aren't the s14a & skyline 4 pot calipers the same as the st205 calipers?
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#40486
Re: Gaz's mk2 big brake upgrade 5 Years, 3 Months ago Karma: 22
Aren't the s14a & skyline 4 pot calipers the same as the st205 calipers?
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#40487
Re: Gaz's mk2 big brake upgrade 5 Years, 3 Months ago Karma: 14
Same style but different bolt patterns I believe. Plus the gt4 calipers are more expensive and harder to find
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#40585
Re: Gaz's mk2 big brake upgrade 5 Years, 2 Months ago Karma: 0
Hi gaz got on to mr2 drivers my computer was playing up
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#40586
Re: Gaz's mk2 big brake upgrade 5 Years, 2 Months ago Karma: 14
Great stuff

Your brackets are ready to go mate
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#40587
Re: Gaz's mk2 big brake upgrade 5 Years, 2 Months ago Karma: 0
cheers mate
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#40600
Re: Gaz's mk2 big brake upgrade 5 Years, 2 Months ago Karma: 0
Hi gaz got the calipers did you ask your mate about the discs
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#40711
Re: Gaz's mk2 big brake upgrade 5 Years, 2 Months ago Karma: 22
Hey Gaz, are you using the aluminium callipers or the cast iron?
Sean.
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#40715
Re: Gaz's mk2 big brake upgrade 5 Years, 2 Months ago Karma: 14
Hi Sean, I'm using the cast iron s14a on my car, but Protok over on the mr2oc is using the alloy GTR ones on his

Kayjay_07 is using the 300zx calipers, but I'm not sure if they're cast or alloy ?
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#41329
Re: Gaz's mk2 big brake upgrade 5 Years, 2 Months ago Karma: 1
Gaz, Will this fit a 1990 model, how do I order, do you have a PM. Cheers Fitzy
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#41406
Re: Gaz's mk2 big brake upgrade 5 Years, 2 Months ago Karma: 14
fitzy wrote:
Gaz, Will this fit a 1990 model, how do I order, do you have a PM. Cheers Fitzy

Hi mate, yes, they'll fit any model

You need at least 17" wheels to clear the calipers, and you also need to check to make sure you have 60mm clearance between your front disc face, and rear of your wheel spokes.

Providing that's all good, drop me a pm, and i'll get them sorted out for you
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#42099
Re: Gaz's mk2 big brake upgrade 5 Years, 1 Month ago Karma: 0
Hi gaz i have fitted the brake upgrade got all the air out the system and thay are still
spongey have you got any ideas what it could be .
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#42204
Re: Gaz's mk2 big brake upgrade 5 Years, 1 Month ago Karma: 1
Gaz, Please send bank details so I can get a set. Cheers Fitzy kevinckk@optusnet.com.au
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#42572
Re: Gaz's mk2 big brake upgrade 5 Years, 1 Month ago Karma: 14
fitzy wrote:
Gaz, Please send bank details so I can get a set. Cheers Fitzy kevinckk@optusnet.com.au

Sorry mate, hadn't seen your post

i'll send my details now
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#53181
Re: Gaz's mk2 big brake upgrade 4 Years, 4 Months ago Karma: 0
are you still doing the kits?

i'm interested in the Front and Rear kit if you are...
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#54115
Re: Gaz's mk2 big brake upgrade 4 Years, 3 Months ago Karma: 14
Adrian wrote:
are you still doing the kits?

i'm interested in the Front and Rear kit if you are...


Hi buddy, yes

Pm replied to, sorry, I haven't kept up to date with my pm's and threads!
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#54127
Re: Gaz's mk2 big brake upgrade 4 Years, 3 Months ago Karma: 22
These are definitely on the to do list!
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#55072
Re: Gaz's mk2 big brake upgrade 4 Years, 2 Months ago Karma: 1
Hi mate is there a bigger disc as I am running 19" front wheels and want to fill them thanks Wayne drop me a call 07708369598
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#55073
Re: Gaz's mk2 big brake upgrade 4 Years, 2 Months ago Karma: 94
What's it like driving with 19's?
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