What's available or could be made that will fit under a 16" rim? Vented rear disc options only. If it means using VN HSV rear brakes, that's fine. Just as long as it works.
El/au Rear Brake Upgrades
Started by
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, Feb 21 2008 11:05 AM
21 replies to this topic
#2
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Posted 21 February 2008 - 11:22 AM
And before it's mentioned, I know Commodore and Falcon have different centre bores and stud patterens. But these problems can be overcome.
#3
antelopeslr5000
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Posted 21 February 2008 - 12:15 PM
I know Molycarbide make a disc with pretty much the same measurements as the DBA 041 (rear disc for the VT Commodore). The major difference is that they are a vented disc unlike the 041.
RRS use them with their Rear Disc Kit 1 option. They suit the Ford stud pattern and I think the centre hole diameter maybe also for the Ford.
Then you would be able to use PBR VT rear calipers to suit that disc.
RRS use them with their Rear Disc Kit 1 option. They suit the Ford stud pattern and I think the centre hole diameter maybe also for the Ford.
Then you would be able to use PBR VT rear calipers to suit that disc.
#4
dattoman
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Posted 21 February 2008 - 01:43 PM
Not sure I understand the question
#5
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Posted 21 February 2008 - 02:19 PM
Then I shall try again.
I am getting either an EL or AU BW diff, depending on what I can find. I'm after a brake setup that uses vented discs that fits under 16" rims.
Antelope, who is RRS?
I am getting either an EL or AU BW diff, depending on what I can find. I'm after a brake setup that uses vented discs that fits under 16" rims.
Antelope, who is RRS?
#6
dattoman
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Posted 21 February 2008 - 02:36 PM
Ok didn't realise you were chasing a whole diff
There wasn't a vented disc option on the Fud unless you went for the Brembo package
That 330mm x 28mm disc is way too heavy and won't fit under a 16
Brute utes run a custom vented rear disc in 315mm designed to match the HSV one the commodores use
So you could use that disc on the AU backing plate and then you just need to adapt a caliper
There wasn't a vented disc option on the Fud unless you went for the Brembo package
That 330mm x 28mm disc is way too heavy and won't fit under a 16
Brute utes run a custom vented rear disc in 315mm designed to match the HSV one the commodores use
So you could use that disc on the AU backing plate and then you just need to adapt a caliper
#7
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Posted 21 February 2008 - 02:44 PM
Because the VN and AU both use B/W diffs, could the VN caliper bracket be bolted to the AU diff? And provided the distance from the axle flange to the diff housing is the same between the two diffs, couldn't a machined Coommodore rear disc be used?
#8
ls2lxhatch
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#9
antelopeslr5000
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Posted 21 February 2008 - 03:00 PM
As above!
Edited by antelopeslr5000, 21 February 2008 - 03:01 PM.
#10
ls2lxhatch
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Posted 21 February 2008 - 03:02 PM
#11
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Posted 21 February 2008 - 03:05 PM
#12
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Posted 21 February 2008 - 03:29 PM
That RRS kit is for Aussie Falcons up to 1987, which means up to XF. I'll ask them to see if it wil fit EL or AU.
I knew about the Hoppers kit, but I can't weld for shit.
Summit seem to have a lot of options, but I want to buy something in Australia. Prefferably Melbourne.
I knew about the Hoppers kit, but I can't weld for shit.
Summit seem to have a lot of options, but I want to buy something in Australia. Prefferably Melbourne.
#13
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Posted 21 February 2008 - 03:49 PM
RRS just called me back. Kit 1 with 11" vented and sloted discs with Commodore style handbrake for $1280 delivered to my door in Melbourne. Unless I can somehow adapt VN HSV rear discs and calipers to the EL/AU diff, I don't see how I could get something significanly cheaper.
#14
antelopeslr5000
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Posted 21 February 2008 - 04:48 PM
I've got a RRS kit 1 here at the moment. It seems like a pretty good setup, incorporating the Banksia park brake system.
#15
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Posted 21 February 2008 - 08:45 PM
Have you fitted it yet?
If so, how hard or easy was it?
I suppose it went on a 9" diff?
If so, how hard or easy was it?
I suppose it went on a 9" diff?
#16
antelopeslr5000
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Posted 21 February 2008 - 10:42 PM
I haven't bolted it up as of yet (I'm getting a custom 9" diff housing built in the near future) but it's about as easy as it gets.
I'll take some pictures of the kit tomorrow and post them so you can see for yourself Chopper if or before you decide to purchase the kit.
I'll take some pictures of the kit tomorrow and post them so you can see for yourself Chopper if or before you decide to purchase the kit.
#17
antelopeslr5000
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Posted 22 February 2008 - 12:49 PM
As promised...
This is the RRS rear disc kit No. 1 setup.
Front view.
Single shoe Banksia park brake setup.
Point of interest is that the RRS rear disc kit No.2 uses the same setup (just different discs and calipers).
Back view.
Attaching point for park brake cable.
LX Torana park brake cable fitted. Haven't fitted it in situ but it looks as though
the original park brake cable will be able to be retained.
Kit No. 1 rear disc (appox. 287mm, 16mm thick, slotted and vented).
Kit No. 2 rear disc (315mm, 18mm thick, slotted and vented).
Side by side comparison.
Caliper fitted. They are a stock PBR Commodore VT Caliper.
Rear mounted caliper may present a problem with shock clearence on a standard
Torana diff housing width.
Another view.
With disc fitted (disc from No. 1 kit).
This is the RRS rear disc kit No. 1 setup.
Front view.
Single shoe Banksia park brake setup.
Point of interest is that the RRS rear disc kit No.2 uses the same setup (just different discs and calipers).
Back view.
Attaching point for park brake cable.
LX Torana park brake cable fitted. Haven't fitted it in situ but it looks as though
the original park brake cable will be able to be retained.
Kit No. 1 rear disc (appox. 287mm, 16mm thick, slotted and vented).
Kit No. 2 rear disc (315mm, 18mm thick, slotted and vented).
Side by side comparison.
Caliper fitted. They are a stock PBR Commodore VT Caliper.
Rear mounted caliper may present a problem with shock clearence on a standard
Torana diff housing width.
Another view.
With disc fitted (disc from No. 1 kit).
#18
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Posted 22 February 2008 - 02:06 PM
I'm trying to skin this cat a different way. If I can, I won't be buying the kit. If I can't, then the RRS is looking like a good option.I'll take some pictures of the kit tomorrow and post them so you can see for yourself Chopper if or before you decide to purchase the kit.
#19
antelopeslr5000
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Posted 22 February 2008 - 03:32 PM
Interesting... Care to share how you're planning to "skin that cat"?I'm trying to skin this cat a different way. If I can, I won't be buying the kit. If I can't, then the RRS is looking like a good option.
#20
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Posted 22 February 2008 - 08:39 PM
I have Chinese neighbours.
First I need to buy the diff, then I need to get out the tape measure. One step at a time.
First I need to buy the diff, then I need to get out the tape measure. One step at a time.
#21
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Posted 24 February 2008 - 08:52 AM
I have a VN disc rear end here if you need any measurements.Because the VN and AU both use B/W diffs, could the VN caliper bracket be bolted to the AU diff? And provided the distance from the axle flange to the diff housing is the same between the two diffs, couldn't a machined Coommodore rear disc be used?
#22
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Posted 24 February 2008 - 12:53 PM
Your pants must be a funny shape, Rob. 
I also have a VN B/W diff here, but if you had an old Commodore rear disc ( DBA 016 I think), that would be handy. Undersize would be OK, just need to be able to physically fit it to the Commodore diff.
I also have a VN B/W diff here, but if you had an old Commodore rear disc ( DBA 016 I think), that would be handy. Undersize would be OK, just need to be able to physically fit it to the Commodore diff.
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