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Rod Cahill I'm new - be gentle
Joined: 22 Feb 2018 Posts: 5
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Posted: Sun Mar 04, 2018 1:27 pm Post subject: Wheels won't fit. Buggar |
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I have just fitted a set of early Torana disc brakes, which were on a Morry, onto my 54 MM ute. Wheels won't fit Buggar. The wheels are mini lite type wheels which seem to be 3 inches between stud centres but the disc brake hubs seem to be 2.75 inches. Help!
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ken gogler 5th gear
Joined: 03 Feb 2013 Posts: 80 Location: mildura
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Posted: Sun Mar 04, 2018 2:56 pm Post subject: wheels wont fit |
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Did the wheels fit before you put the disc brakes on?.I have the same disc brakes on my 1960 Morry and I have Minilites 14x5.5 and I have no issues the P.C.D is 4 inches or 101.6.
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ken gogler 5th gear
Joined: 03 Feb 2013 Posts: 80 Location: mildura
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Posted: Sun Mar 04, 2018 6:18 pm Post subject: wheels wont fit |
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just reread your post if the disc brakes are early torana as you say the stud pattern{PCD} should be 4inch or 101.6 are you measuring them right
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Rod Cahill I'm new - be gentle
Joined: 22 Feb 2018 Posts: 5
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Posted: Sun Mar 04, 2018 7:14 pm Post subject: |
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Stud to stud on the disc brakes measures 73mm. Mag wheel measures 85mm stud to stud.
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Scouse moderator
Joined: 15 Sep 2003 Posts: 5266 Location: Wollondilly, NSW
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Posted: Sun Mar 04, 2018 8:44 pm Post subject: |
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On a 4 stud, measure across opposite studs to get the PCD (pitch circle diameter).
I suspect the ute has had the early hub/brakes fitted which are 4.5" where as the Torana & later Minor are 4".
I've not had much to do with the early commercials but I thought they all had the later hubs.
Last edited by Scouse on Sun Mar 04, 2018 8:46 pm; edited 1 time in total |
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John Ballard valued contributor
Joined: 11 Feb 2004 Posts: 2646 Location: Dubbo NSW
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Posted: Sun Mar 04, 2018 8:45 pm Post subject: |
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PCD stands for Pitch Centre Diameter which means from stud to centre of Hub.
So 101.6 centre of stud to centre of hub. have not fitted Torana but have fitted Austin sprite and stud pattern works.
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Rod Cahill I'm new - be gentle
Joined: 22 Feb 2018 Posts: 5
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Posted: Sun Mar 04, 2018 8:51 pm Post subject: |
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Front with disc brakes is 4 inches and mag wheel pad is 4.5 inches
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Rod Cahill I'm new - be gentle
Joined: 22 Feb 2018 Posts: 5
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Posted: Sun Mar 04, 2018 9:00 pm Post subject: |
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My Morry did have Morris Major Elite front brakes. Is the pcd for Majors 4.5 inches?
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Scouse moderator
Joined: 15 Sep 2003 Posts: 5266 Location: Wollondilly, NSW
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ken gogler 5th gear
Joined: 03 Feb 2013 Posts: 80 Location: mildura
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Posted: Mon Mar 05, 2018 7:32 am Post subject: wheels wont fit |
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The wheels you are trying to fit are 114.3 which are for small Japanese vehicles ie.Datsun 1200 Toyota corolla etc.
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Monk moderator
Joined: 13 Sep 2009 Posts: 671 Location: Canberra
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Posted: Mon Mar 05, 2018 10:30 pm Post subject: |
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The Torana discs came off one of my cars and had the original pizza cutter wheels. So back to the drawing board. Bit of a lot of a nuisance for Rod.
D
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zabond Free Wheeling
Joined: 28 May 2012 Posts: 127 Location: Neerim East Victoria Australia
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Posted: Tue Mar 06, 2018 6:50 am Post subject: |
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there is one other option if legal in your state, wheel spacer/adapters
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Rod Cahill I'm new - be gentle
Joined: 22 Feb 2018 Posts: 5
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Posted: Wed Mar 07, 2018 12:18 pm Post subject: |
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I now have disc brakes on front to suit Morry wheels but rear setup with Datsun hubs, wheels. This exercise is costing a fortune. If anybody located not too far from A.C.T. Has a MM1000 that they are doing up and would like to swap wheels,tyres, hubs, etc. I have a great set of performance 15 X 6 mags and tyres to suit Datsun or similar, rear hubs etc also.
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MorryStu valued contributor
Joined: 02 Jan 2005 Posts: 260 Location: Grafton, NSW North Coast
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Posted: Mon Mar 12, 2018 10:05 am Post subject: |
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Its easier to re-drill new roters to suit the stud pattern ( illegal )
OR
Buy blank rotors and get them drilled to suit
Try DBA ( Disk Brakes Australia ) direct and see what they can do
That still wont fix your wheel not fitting
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John Ballard valued contributor
Joined: 11 Feb 2004 Posts: 2646 Location: Dubbo NSW
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Posted: Mon Mar 12, 2018 1:22 pm Post subject: |
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Can you change diff and axles back to Morris I would suggest a Morris Major Elite 4.22 to 1 and fine splines 8 inch rear brakes.
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Monk moderator
Joined: 13 Sep 2009 Posts: 671 Location: Canberra
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Posted: Mon Mar 12, 2018 9:15 pm Post subject: |
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The definitive answer, I've had time to take a closer look at the drums, life has been hectic. They're obviously off an early Datsun.
As with so many Datsun things from that time, they're a knock off from BMC and A-series stuff in general. The backing plates are identical to the Major backing plates, but the hubs and drums are all drilled at the larger PCD. At a cursory glance they looked Major, but the reality is they're Datsun. Rod and I are unswapping the swap! It seemed like a good idea at the time!
Thanks to all for the very helpful input.
D
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frosty moderator
Joined: 23 Dec 2003 Posts: 3833 Location: 4559 near a big pineapple, Qld
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Posted: Tue Mar 13, 2018 7:00 am Post subject: |
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I have a set of Majors available
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Monk moderator
Joined: 13 Sep 2009 Posts: 671 Location: Canberra
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Posted: Tue Mar 13, 2018 7:04 am Post subject: |
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That sounds interesting!! I'll talk to you in the next couple of days. Gotta heap on right now!
D
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