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Sumitomo MK 63 Calipers, brake pads and caliper rebuild kits now avail.


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#21 gav240z

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Posted 14 December 2015 - 03:12 PM

Yes but an assumption is 1 thing :). I was hoping someone who has these calipers might know?

#22 HS30-H

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Posted 14 December 2015 - 07:23 PM

Wondering if anyone knows if the MK63s would clear the standard 14" steel wheels or not?

 

Yes and no (of course...!)

 

The non-vented disc type MK63s will clear 5j TOPY steels, but not 4.5js. You will need a shim type spacer (just 6mm or so) and the same with the vented disc type MK63-20S calipers.

 

Both vented and un-vented will clear most aftermarket 14" and up alloy wheels. Personally I would not bother with the un-vented type as it seems somewhat pointless to run such a big pad on a solid disc and suffer from heat-induced fade right when you need them most. I had them on my very first 240Z and they were really nice around town, but pressing-on it didn't take long to get some rather frightening heat fade and pad glazing. Switched to vented discs and the wider MK63-20S and all that was pretty much solved. Can crack discs occasionally though... 


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#23 gav240z

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Posted 14 December 2015 - 07:52 PM

Thanks Alan,

I wasn't aware there was a vented and non-vented version of this caliper*. I agree if you're going to upgrade may as well take advantage of vented discs to reduce fade.

*Edit just realised reading this thread again that 2 different versions were mentioned. Never mind me.

By the way what discs do you use with these calipers? Or where do you source the vented ones?

#24 HS30-H

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Posted 14 December 2015 - 08:31 PM

By the way what discs do you use with these calipers? Or where do you source the vented ones?

 

On the Zs, I use a Peugeot 505GTI vented disc which is re-drilled to suit the PCD of the Nissan hub. I use 'late' hubs (nominally '260Z' type) to give the right offset. This centres the vented type MK63 over the disc nicely. It seems to be the simplest solution to the non-availability of the original Nissan 'Sports Option' (and later NISMO) vented disc, and the Peugeot discs are cheap as chips.


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#25 dat2kman

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Posted 14 December 2015 - 10:08 PM

H190 live rear end runs a slipover type rotor, dimensions very similar to VB Commdore vented front.
The vented type MK63 over the Nissan vented rotor, has 14" rims fitting ver the calioers.
H190 rear end is an ex Group B 240RS Rally car.
Same caliper was used on front vented S30 bdy, but not this rotor.

An alternative front rotor to Peugot 505 ( hard to btain in Australa) is a SAAB 9000. Very similar, but will need some minr machining, and final centering skim to one rotor side to fit caliper equally (1.1 mm)

#26 Cozza

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Posted 15 December 2015 - 12:49 PM

So where do you find the vented type MK63 calipers, I've not seen them for sale before. Are they like hens teeth?
Also, any idea how much they weigh?

Mick

#27 CraigZ

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Posted 03 May 2017 - 10:52 PM

you can now get aftermarket vented MK63 calipers from Japan, don't know that much about them though...

 

https://www.rhdjapan...osuka-gc10.html

 

and i think the discs to suit

 

https://www.rhdjapan...or-set-s30.html

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Edited by CraigZ, 03 May 2017 - 10:55 PM.

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#28 Cozza

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Posted 03 May 2017 - 11:29 PM

The calipers seem quite reasonable but I reckon I'd go for the 505 / Saab rotor with a bit of machining.

#29 gav240z

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Posted 03 May 2017 - 11:43 PM

Good prices on both really, a used pair of MK63's will cost you about that before you rebuild with new seals etc..

#30 Riceburner

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Posted 04 May 2017 - 09:47 AM

They look very similar to the S12+8 calipers don't they! I think the 3rd pic on that listing is a S12+8 caliper and not the MK63.

I'd say Kameari will sell the disc cheaper if you went direct through them, it's a very simple process.

#31 Agno

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Posted 04 May 2017 - 11:06 AM

Would they be alloy or cast iron?



#32 theremm

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Posted 04 May 2017 - 01:23 PM

Kameari also sell the replica calipers, I believe both the vented and no vented type

#33 Agno

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Posted 04 May 2017 - 01:52 PM

http://www.kamearien...75-20160731.pdf


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#34 dat2kman

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Posted 04 May 2017 - 06:22 PM

Someone place an order,,,,, see wghat response you get back.
For around five years, Kameari have not been able to supply, same deal on their really good lightened rocker arms.
No idea if it is a "test the waters, see how much interest we get" thing, or what.

#35 CraigZ

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Posted 04 May 2017 - 07:30 PM

The stuff on RHS japan is usually pretty good to go... they take 3 and 1/2 weeks to get your order ready and then DHL get it to you in about 2 days!

 

I have bought a "Kameari" triple manifold last year which is Harada  Shokai brand and i rate as a top quality product

 

My interpretation of Kameari branded stuff it is like the Repco of Japan. They don't make anything themselves they just put their sticker over the top of everyone elses stuff and well marketed.

 

But their products are made in Japan and great quality , Repco's stuff....... hit and miss sadly these days 
 


Edited by CraigZ, 04 May 2017 - 07:31 PM.


#36 Cozza

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Posted 04 May 2017 - 09:41 PM

I tried weighing some calipers on my 5kg kitchen scale.
OEM 2 pots with no pads 4.15kg
S12+8 vented 4 pots with 50% pads showed 5.2kg's before reading error. I'll try getting some bigger scales.

Wish I had some mk63's to weigh.

#37 gav240z

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Posted 04 May 2017 - 10:25 PM

Edit, sorry I was just repeating myself in this post.

http://www.viczcar.c...avail/?p=170120



#38 HS30-H

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Posted 05 May 2017 - 02:15 AM

My interpretation of Kameari branded stuff it is like the Repco of Japan. They don't make anything themselves they just put their sticker over the top of everyone elses stuff and well marketed.

 

 

No offence, but it seems you know next to nothing about Kameari Engine Works and the products they sell.


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#39 CraigZ

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Posted 09 May 2017 - 09:26 AM

no worries , from what i have seen , which isnt much I'll admit, it was just someone else product sold under their name... 

 

wasn't trying to upset anyone , please disregard my above comment



#40 260DET

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Posted 09 May 2017 - 10:00 AM

It's pretty easy to upset some people  ;)  don't  Kameari sell Arizona Z aluminium sumps under their own name?






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