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Vehicle: 92 sierra tintop, 88 WT sj50

Post Posted: Sat Jun 29, 2013 4:48 pm 
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I know this thread has been dead for aged but I.have a quick question. If I pull the brakes off the front of a sierra and put them on the rear of mine will I need any kit or parts? Will I need a bracket to hold in the bearing at the rear/hold the caliper or can I use the front caliper bracket on the rear ?

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Post Posted: Sat Jun 29, 2013 5:50 pm 
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You need a BenT kit. About half way down this page viewtopic.php?f=15&t=15009

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Post Posted: Tue Jun 16, 2015 12:31 am 
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Why arnt people using cable operated discs from a trailer for a transfer mounted handbrake?


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Post Posted: Tue Jun 16, 2015 10:24 am 
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I think most people would prefer to avoid the transfer handbrake option altogether.

There are various options which can be used to achieve a disc handbrake solution.
The drums hang down and get caught on things fairly easily, but it is fairly robust. If this is a disc it is much easier to bend.

Packaging a trailer mechanical caliper will be more difficult than packaging the other calipers usually used when doing disc handbrake conversions.
Image

IMO the neatest and best handbrake solution when doing rear disc conversion is to use appropriate calipers with handbrake options.
These are from other other cars, and are easier to approve/engineer as they are suitable to the application.

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Post Posted: Tue Jun 16, 2015 12:19 pm 
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And my kit is only a few weeks away so...

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Post Posted: Wed Jun 17, 2015 10:46 pm 
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Gwagensteve wrote:
I have fitted one, but not in the "normal" way as the car I was fitting it to also has a Trail Tough disconnect.

Spidetrax stuff is well engineered, and it will install with no problems.

However, the caliper used is a wilwood go-kart caliper and is not self adjusting. Because of the very small pad area, it will need regular adjustment to keep it operating effectively. This isn't really different to the 1.0/1.3NT transfer brake, which isn't self adjusting either, but it's worth knowing.

It's also quite expensive for a small mechanical caliper and some bolts and brackets.

The handbrake on WT sierras IS self adjusting as it's on the rear shoes.

Personally, if you're not concerned about legality (and if you are fitting a rear disk brake kit without engineering approval, you're not) then run a line locker.

PS Excellent writeup.


Cheers jdk
Was more of a question to this post of steves
Seemed to me that a trailer calliper would be a lot better than a go cart calliper if someone wanted to go for a transfer handbrake
Great write up btw

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Post Posted: Thu Jan 24, 2019 8:18 am 
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Great Info! Just received my kit. Thx m8 :peaceout:

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Post Posted: Sun Jun 30, 2019 1:34 pm 
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Hey guys, I'm looking at this kit from LROR. Has anybody got any experience with it?
Really comprehensive instructions, plus it seems to be the only one that has a bespoke backing plate that 100% protects the wheel bearing / axle seal.

I'm also wanting to preserve my coily's handbrake stock functionality (and pass engineering) so I'm looking for a rear caliper that has provision for a standard handbrake. Are there any calipers have people found that's interchangeable with the Sierra front caliper that has a handbrake?

Thanks

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Post Posted: Sun Jun 30, 2019 4:37 pm 
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Have you looked at this kit?

Mitsubishi Galant rear calipers

https://www.zukparts.com/Suzuki-Samurai ... -handbrake

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Post Posted: Sun Jun 30, 2019 4:38 pm 
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Add engineering has a rear disc kit that uses bg mazda 323 rear discs with inbuilt handbrake that retains factory cable.

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Post Posted: Fri Jul 05, 2019 9:36 pm 
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@ Brenno, I tried looking online but I couldn't find any more info on that kit. Do you have a link handy?

@ bum, I saw that one, but I'm a bit concerned how it doesn't protect the bearing 100%. I heard that it means these cars end up chewing through bearings / seals?

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Post Posted: Sat Jul 06, 2019 8:31 am 
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Try ADD engineering on facebook.

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Post Posted: Sat Jul 06, 2019 9:01 am 
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Modify a SJ40 bearing retainer plate to protect the bearing. That's what the low range kit which uses sierra front callipers does.

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Post Posted: Mon Nov 18, 2019 12:42 pm 
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So Zukparts' is ~380AUD delivered
Attachment:
Samurai_handbrake_rear_disc_kit-1000x750[1].jpg

LROR's is ~390AUD delivered
Attachment:
samurai_disk_brake_kit_anotated_1000_1[1].jpg

ADD's is 300AUD (Couldn't attach picture for some reason)
and most importantly, HM4X4's is 400+AUD
Attachment:
0009614_kit-freni-a-disco-posteriori-suzuki-samurai-ed-sj-con-piastre-in-ergal-monoblocco[1].jpeg


The reason the HM4X4 is of the most importance is due to this blurb from under their kit:
Quote:
To use the original hand brake it is possible to mount the Fiat or Lancia calipers which are fitted with a housing for the handbrake cable


This is all that is required to permit re-use of the original handbrake hardware with these alternate calipers:
Attachment:
0007164_kit-montaggio-pinze-fiat-con-kit-freno-a-disco-per-suzuki-samurai[1].jpeg


After a bit more digging this caliper was used on these vehicles:
Lancia Lybra 1999-2005
Lancia Linea 2007-2019
Alfa GT 2003-2010
Alfa 156 1997-2006
Alfa 147 2001-2010

OEM#:
ALFA ROMEO, FIAT, LANCIA (71793314)
ALFA ROMEO, FIAT, LANCIA (77364820)
ALFA ROMEO, FIAT, LANCIA (9947896)
ALFA ROMEO, FIAT, LANCIA (9948860)
ALFA ROMEO, FIAT, LANCIA (9950863)

I have called up a few wreckers and have managed to track down these calipers. Later this week I'll take some side-side shots to confirm they're a match, but given what I've researched it's 99% confirmed they'll be a match.

Gwagensteve wrote:
Modify a SJ40 bearing retainer plate to protect the bearing. That's what the low range kit which uses sierra front callipers does.

I would like to ask for your honest opinion on which of the disc brake kits you would personally buy / install for a coil-sierra that will be road-registerable assuming that the alfa calipers are a handbrake-equipped direct drop-in for a sierra front caliper?

I was leaning on LROR due to the pretty pictures and brand-recognition, but they just seem to have the only kit that didn't skimp on anything.


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Post Posted: Tue Nov 19, 2019 7:30 am 
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It’s a moot point as none of these kits will be legal without engineering approval, which is notoriously difficult to get.

I would use Zukparts or ADD.

Out of interest, what’s the driver for going to rear disks?

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Post Posted: Wed Nov 20, 2019 9:43 pm 
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Drums are about to go, and it's about the same cost to fix up the rear drums or convert to ABS. I've already got a G16 mod-plated (VIC), Vitara calipers and brakes, plus the engineer noted he'd like to see some better brakes which should hopefully ease getting everything legal.

The only unknown is the engineering so I'll start lining that up before buying any more bits.

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