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Damo

az supporter
Joined: Sat Jul 22, 2006 11:30 pm Posts: 4661 Location: Brisbane
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 Posted: Sat Dec 17, 2011 3:51 am |
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The box section is 50x25 2mm RHS. The plan was to slot the bottom out and weld the shock mount in along the bottom edge. Also to cut the RHS on an angle from the reaf bottom corner to where the top meets the axle tube. Then weld the lot to the housing.
The problem is that i'm starting to think the housing might be opened up along the welds. I Think what I should do is plate the housing, similar to how you'd plate a chassis before welding to it. 2mm flat bar should be heaps for the plating.
_________________ SJ50.4.LYF
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alien
Joined: Wed Mar 24, 2010 10:30 pm Posts: 16343 Location: Perth
Vehicle: '92 Sierra, 1.6efi, SPOA, 31s.
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 Posted: Sat Dec 17, 2011 4:04 am |
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thats a LOT of leverage on the diff housing!
what about doing it off the u-bolt plates and have the pin facing towards the hub? kinda like mine but turn it 180 degrees would have it in a similar position to what you have there SPUA.
_________________ 
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BlueSuzy

az supporter
Joined: Sun May 04, 2008 11:30 pm Posts: 9716 Location: NSW
Vehicle: SJ51 LWB, SJ70 SWB
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 Posted: Sat Dec 17, 2011 4:19 am |
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Make some gussets. once rhs is welded on, weld some gussets on the sides of it and make them wrap around the diff housing more.
_________________ BlueSuzy wrote: I'm over the G16b's.
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Fatzook

az supporter
Joined: Sat Oct 27, 2007 11:30 pm Posts: 14977 Location: The Hills
Vehicle: Vitara, NGV
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 Posted: Sat Dec 17, 2011 5:16 am |
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Why are they so long?
_________________ 2013 GV 1998 SV420 ute
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Rusho

Tubby Elfsdong
Joined: Sun Aug 02, 2009 11:30 pm Posts: 6501 Location: Northside, Brisbane
Vehicle: Coily Sierra
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 Posted: Sat Dec 17, 2011 5:27 am |
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I got a spare set I bought from LROR that I'm not using if your interested?
_________________ Shep is a closet jimny lover!!!!
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Fatzook

az supporter
Joined: Sat Oct 27, 2007 11:30 pm Posts: 14977 Location: The Hills
Vehicle: Vitara, NGV
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 Posted: Sat Dec 17, 2011 5:44 am |
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Rusho wrote: I got a spare set I bought from LROR that I'm not using if your interested?
same.
_________________ 2013 GV 1998 SV420 ute
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steak_knife

az supporter
Joined: Fri May 22, 2009 11:30 pm Posts: 21335 Location: Smart Ass Island
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 Posted: Sat Dec 17, 2011 6:23 am |
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Fatzook wrote: Why are they so long?
diff going forward???
_________________ I used to be indecisive,
now I'm not so sure.....
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Damo

az supporter
Joined: Sat Jul 22, 2006 11:30 pm Posts: 4661 Location: Brisbane
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 Posted: Sat Dec 17, 2011 7:31 am |
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Rusho wrote: I got a spare set I bought from LROR that I'm not using if your interested?
Which ones are they? i'm interested!
The first pic was a little misleading, the mount doesn't need to stick out as far as it looks in that pic.
I cut the RHS down a bit and also trimmed the shock mount. I tacked it into place with the standard spring plate in plate as a comparison. I kinda think it will actually be OK without plating the housing, but would hate to tear the housing open.
If I plate it it'll have to wait to next week as I don't have any material on hand.
Pics of it mocked up:

_________________ SJ50.4.LYF
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alien
Joined: Wed Mar 24, 2010 10:30 pm Posts: 16343 Location: Perth
Vehicle: '92 Sierra, 1.6efi, SPOA, 31s.
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 Posted: Sat Dec 17, 2011 7:43 am |
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looks a LOT weaker than the factory one IMO... factory is clamped in with the u-bolts and has the perch to stop it twisting etc... yours relys on only a small amount of welding on the diff only.
_________________ 
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Lockie666

az supporter
Joined: Sat Apr 17, 2010 11:30 pm Posts: 1874 Location: Perth
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 Posted: Sat Dec 17, 2011 7:46 am |
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alien wrote: looks a LOT weaker than the factory one IMO... factory is clamped in with the u-bolts and has the perch to stop it twisting etc... yours relys on only a small amount of welding on the diff only.
They are only shocks, they don't take all of the impact the spring would be taking most of the resistance.
_________________ helloo
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joel
Joined: Wed Jan 27, 2010 10:30 pm Posts: 2191 Location: Dirranbandi
Vehicle: Sj70 tintop
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 Posted: Sat Dec 17, 2011 7:47 am |
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what will be the advantage of this? will be handy if moving the diff forward, looks pretty cool.
_________________ Sj70 tintop
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alien
Joined: Wed Mar 24, 2010 10:30 pm Posts: 16343 Location: Perth
Vehicle: '92 Sierra, 1.6efi, SPOA, 31s.
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 Posted: Sat Dec 17, 2011 7:49 am |
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true, but they take TONS of vibration and constant back & forward pressure, plus as the spring cycles the shock levers on the mounts too (even if the bushes absorb it, its still applying a twisting force).
_________________ 
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Damo

az supporter
Joined: Sat Jul 22, 2006 11:30 pm Posts: 4661 Location: Brisbane
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 Posted: Sat Dec 17, 2011 7:53 am |
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joel wrote: what will be the advantage of this? will be handy if moving the diff forward, looks pretty cool.
Doing a RUF conversion, Diff will be coming forward slightly.
_________________ SJ50.4.LYF
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Lockie666

az supporter
Joined: Sat Apr 17, 2010 11:30 pm Posts: 1874 Location: Perth
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 Posted: Sat Dec 17, 2011 7:54 am |
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alien wrote: true, but they take TONS of vibration and constant back & forward pressure, plus as the spring cycles the shock levers on the mounts too (even if the bushes absorb it, its still applying a twisting force).
Might eventually break depending on his welding ability, either way it's a Suzuki it's ment to be broken and welded again hell look at my radius arm mounts
_________________ helloo
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joel
Joined: Wed Jan 27, 2010 10:30 pm Posts: 2191 Location: Dirranbandi
Vehicle: Sj70 tintop
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 Posted: Sat Dec 17, 2011 7:57 am |
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Damo wrote: joel wrote: what will be the advantage of this? will be handy if moving the diff forward, looks pretty cool. Doing a RUF conversion, Diff will be coming forward slightly.
im planning on moving my front diff forward, let me know how ya go on this.
_________________ Sj70 tintop
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Damo

az supporter
Joined: Sat Jul 22, 2006 11:30 pm Posts: 4661 Location: Brisbane
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 Posted: Sat Dec 17, 2011 7:58 am |
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joel wrote: Damo wrote: joel wrote: what will be the advantage of this? will be handy if moving the diff forward, looks pretty cool. Doing a RUF conversion, Diff will be coming forward slightly. im planning on moving my front diff forward, let me know how ya go on this.
ill be doing a write up once its done
_________________ SJ50.4.LYF
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royce

omnipotent being
Joined: Sun Jun 11, 2006 11:30 pm Posts: 17216 Location: Pluto
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 Posted: Sat Dec 17, 2011 8:02 am |
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I reckon some flat that runs along your open angled section on the top and up over the diff tube some and the same underneath will take care of a lot of the bending force weakening the diff housing
Ive seen really strong and well tested shock mounts fail really quickly when under strain so they are under a decent amount of strain
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Fatzook

az supporter
Joined: Sat Oct 27, 2007 11:30 pm Posts: 14977 Location: The Hills
Vehicle: Vitara, NGV
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 Posted: Sat Dec 17, 2011 8:34 am |
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That will be fine damo. I used the same design on my ute for almost 2 years without a problem.
_________________ 2013 GV 1998 SV420 ute
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Damo

az supporter
Joined: Sat Jul 22, 2006 11:30 pm Posts: 4661 Location: Brisbane
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 Posted: Sat Dec 17, 2011 8:43 am |
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Fatzook wrote: That will be fine damo. I used the same design on my ute for almost 2 years without a problem.
Cool, I will bring it to you if it breaks 
_________________ SJ50.4.LYF
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royce

omnipotent being
Joined: Sun Jun 11, 2006 11:30 pm Posts: 17216 Location: Pluto
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 Posted: Sat Dec 17, 2011 8:44 am |
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hmmm talking about a car that hasnt moved in how long 
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Teracis
Joined: Sat Dec 11, 2010 10:03 pm Posts: 2261 Location: Gold Coast
Vehicle: Daisy
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 Posted: Sat Dec 17, 2011 8:45 am |
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So are you mounting these out wider or something? Why do you need to make new shock mounts? Couldn't you just modify the original plates?
I may have missed something here.
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Gwagensteve
Joined: Thu Feb 26, 2009 10:30 pm Posts: 13008 Location: Melbourne
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 Posted: Sat Dec 17, 2011 8:51 am |
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Fatzook wrote: That will be fine damo. I used the same design on my ute for almost 2 years without a problem.
If it's reasonably well welded it will be fine.
Steve.
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Damo

az supporter
Joined: Sat Jul 22, 2006 11:30 pm Posts: 4661 Location: Brisbane
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 Posted: Sat Dec 17, 2011 8:51 am |
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Teracis wrote: So are you mounting these out wider or something? Why do you need to make new shock mounts? Couldn't you just modify the original plates?
I may have missed something here.
I'm doing a RUF conversion on a WT but moving the springs inboard to NT specs. So the upper mounts will be WT and the NT mounts will be NT. I am pretty sure that this will cause me some chassis clearance issues, hence why I want to move them out a little.
_________________ SJ50.4.LYF
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Teracis
Joined: Sat Dec 11, 2010 10:03 pm Posts: 2261 Location: Gold Coast
Vehicle: Daisy
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 Posted: Sat Dec 17, 2011 8:53 am |
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All good, was just wondering why you didn't have them in the original spot, I figured there was some WT+NT stuff going on.
Good luck with it dude! 
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Damo

az supporter
Joined: Sat Jul 22, 2006 11:30 pm Posts: 4661 Location: Brisbane
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 Posted: Sat Dec 17, 2011 9:19 am |
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Gwagensteve wrote: Fatzook wrote: That will be fine damo. I used the same design on my ute for almost 2 years without a problem. If it's reasonably well welded it will be fine. Steve.
Thanks Steve. I was kinda assuming birdshit and Sikaflex weren't going to cut it this time
Now I have two people to blame if it tears the housing open i'm going to do it this way 
_________________ SJ50.4.LYF
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