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Sierra front disk brake conversion
http://auszookers.com/forum/viewtopic.php?f=5&t=22386		 Page 1 of 1
Author:  Jackson [ Mon May 30, 2011 7:46 am ]
Post subject:  Sierra front disk brake conversion
G'day,

Just wondering if anyone has upgraded the drum brakes on an SJ40 to disc brakes. What they used? And how they did it?

Thanks,

Jackson
Author:  mrw82 [ Mon May 30, 2011 7:53 am ]
Post subject:  Re: Sierra front disk brake conversion
you can use the disk brake setup from a later model 1 litre or any 1.3
Author:  Jackson [ Mon May 30, 2011 7:56 am ]
Post subject:  Re: Sierra front disk brake conversion
So that would bolt straight on?

Does it matter if the disc brake setup comes off a wide track?

Thanks,

Jackson
Author:  Gwagensteve [ Mon May 30, 2011 7:56 am ]
Post subject:  Re: Sierra front disk brake conversion
It's a straightforward swap. After buying my 1.0 with a drum front end, I never put it on the road with drums - I swapped discs straight into it.

Steve.
Author:  jimbo_jones [ Mon May 30, 2011 10:27 am ]
Post subject:  Re: Sierra front disk brake conversion
I got 1lt diffs complete with brakes you can have for free
Author:  Jackson [ Tue May 31, 2011 7:23 am ]
Post subject:  Re: Sierra front disk brake conversion
One more quick question. Would I be correct in thinking that I will need a disc brake model master cylinder?
Author:  jimbo_jones [ Tue May 31, 2011 8:34 am ]
Post subject:  Re: Sierra front disk brake conversion
Jackson wrote:
One more quick question. Would I be correct in thinking that I will need a disc brake model master cylinder?


and a brake booster
Author:  mrw82 [ Tue May 31, 2011 11:15 pm ]
Post subject:  Re: Sierra front disk brake conversion
you could get a 1.3 master cyl with booster, but i have been told they bolt up differently.
You would be better off getting a master cyl off a late model 1 litre with disk brake front but no booster. If buying a new one tell them you want one for an 84 1 litre. (yes drum to disk is a different master cyl, but i dont know how it would affect braking performance, if at all.
Author:  303zuke [ Wed Jun 01, 2011 1:47 pm ]
Post subject:  Re: Sierra front disk brake conversion
jimbo_jones wrote:
Jackson wrote:
One more quick question. Would I be correct in thinking that I will need a disc brake model master cylinder?


and a brake booster


No, the 1.0lt don't run a brake booster with discs. The replacement SJ410 M/C from Suzistore is the Disc Brake version, seems the drum version is very hard to find new or aftermarket..

Although the firewall to pedal dimensions are the same, the Boosted master cylinders bolt up very differently and will require modifying your firewall.
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