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Mike

lesspostingmorewheeling
Joined: Tue May 06, 2008 11:30 pm Posts: 2236 Location: Under Down Under
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 Posted: Mon Feb 02, 2009 8:09 pm |
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i'm looking at moving my front shackle mounts forward so i can use shorter shackles but i was wondering will this give me more or less travel and how far should the mounts be moved foward?
Cheers
Mike
_________________ [quote="Fluffy"] yeah right mate like Im gunna mov
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steve

I live here!
Joined: Sun Jun 11, 2006 11:30 pm Posts: 7681 Location: Brisbane
Vehicle: 75 Cruiser
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 Posted: Mon Feb 02, 2009 9:23 pm |
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carefull with the quality of welding or royce and joe will cane your arse 
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Mike

lesspostingmorewheeling
Joined: Tue May 06, 2008 11:30 pm Posts: 2236 Location: Under Down Under
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 Posted: Mon Feb 02, 2009 9:41 pm |
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don't worry it won't be me welding it although i do think my gassless mig skills are upto the task 
_________________ [quote="Fluffy"] yeah right mate like Im gunna mov
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steve

I live here!
Joined: Sun Jun 11, 2006 11:30 pm Posts: 7681 Location: Brisbane
Vehicle: 75 Cruiser
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 Posted: Mon Feb 02, 2009 9:42 pm |
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we want to see sample welding photos 
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Mike

lesspostingmorewheeling
Joined: Tue May 06, 2008 11:30 pm Posts: 2236 Location: Under Down Under
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 Posted: Mon Feb 02, 2009 9:45 pm |
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i will post welding pics if someone gives me the infomation i need
_________________ [quote="Fluffy"] yeah right mate like Im gunna mov
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zookernator
Joined: Sun Mar 16, 2008 10:30 pm Posts: 813 Location: Tasmania
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 Posted: Mon Feb 02, 2009 10:12 pm |
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Mike wrote: i'm looking at moving my front shackle mounts forward so i can use shorter shackles but i was wondering will this give me more or less travel and how far should the mounts be moved foward?
Cheers Mike
Im about to do this myself.. so i'll be watching this thread closely!! 
_________________ F&R ARB air lockers, lux diffs, 4 link coil rear,
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Mike

lesspostingmorewheeling
Joined: Tue May 06, 2008 11:30 pm Posts: 2236 Location: Under Down Under
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 Posted: Mon Feb 02, 2009 10:24 pm |
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zookernator wrote: Mike wrote: i'm looking at moving my front shackle mounts forward so i can use shorter shackles but i was wondering will this give me more or less travel and how far should the mounts be moved foward?
Cheers Mike Im about to do this myself.. so i'll be watching this thread closely!! 
what i have to do it first so you can learn from my mistakes?
_________________ [quote="Fluffy"] yeah right mate like Im gunna mov
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Damo

az supporter
Joined: Sat Jul 22, 2006 11:30 pm Posts: 4661 Location: Brisbane
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 Posted: Mon Feb 02, 2009 10:29 pm |
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steve wrote: carefull with the quality of welding or royce and joe will cane your arse 
Next you'll be telling me that Sikaflex is not appropriate for this application!
_________________ SJ50.4.LYF
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zookernator
Joined: Sun Mar 16, 2008 10:30 pm Posts: 813 Location: Tasmania
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 Posted: Mon Feb 02, 2009 10:36 pm |
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Mike wrote: zookernator wrote: Mike wrote: i'm looking at moving my front shackle mounts forward so i can use shorter shackles but i was wondering will this give me more or less travel and how far should the mounts be moved foward?
Cheers Mike Im about to do this myself.. so i'll be watching this thread closely!!  what i have to do it first so you can learn from my mistakes?
hahahaha.. we can share!! 
_________________ F&R ARB air lockers, lux diffs, 4 link coil rear,
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royce

omnipotent being
Joined: Sun Jun 11, 2006 11:30 pm Posts: 17216 Location: Pluto
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 Posted: Mon Feb 02, 2009 10:54 pm |
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work out how long the spring is along the leaf, work out how long you want your shackle and whats the max angle you want the shackle to be under (I think about 60degrees they can invert)
then some maths to work it out will tell you how far apart the mounts need to be, simple
or just figure how much longer than stock they are and move it that much, doubt youll lose any flex
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Mike

lesspostingmorewheeling
Joined: Tue May 06, 2008 11:30 pm Posts: 2236 Location: Under Down Under
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 Posted: Mon Feb 02, 2009 11:00 pm |
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wouldn't i loose down travel with shorter shackles and the mounts moved forward?
_________________ [quote="Fluffy"] yeah right mate like Im gunna mov
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Zook_Fan

az supporter
Joined: Thu Mar 13, 2008 10:30 pm Posts: 4530 Location: Toowoomba
Vehicle: Maruti and LJ80's
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 Posted: Tue Feb 03, 2009 12:43 am |
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possible but the spring might have more flex in it if alowed to drop more freely and for how it was designed with smaller shackles. you will also loose a bit of hieght but that is obvious
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royce

omnipotent being
Joined: Sun Jun 11, 2006 11:30 pm Posts: 17216 Location: Pluto
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 Posted: Tue Feb 03, 2009 1:08 am |
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unless you can make the shackle point at the diff on full droop then I very much doubt it
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Mike

lesspostingmorewheeling
Joined: Tue May 06, 2008 11:30 pm Posts: 2236 Location: Under Down Under
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 Posted: Tue Feb 03, 2009 1:33 am |
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so how much further forward should the front mounts be then?
_________________ [quote="Fluffy"] yeah right mate like Im gunna mov
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royce

omnipotent being
Joined: Sun Jun 11, 2006 11:30 pm Posts: 17216 Location: Pluto
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 Posted: Tue Feb 03, 2009 1:43 am |
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royce wrote: work out how long the spring is along the leaf, work out how long you want your shackle and whats the max angle you want the shackle to be under (I think about 60degrees they can invert) then some maths to work it out will tell you how far apart the mounts need to be, simple
or just figure how much longer than stock they are and move it that much, doubt youll lose any flex
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Mike

lesspostingmorewheeling
Joined: Tue May 06, 2008 11:30 pm Posts: 2236 Location: Under Down Under
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 Posted: Tue Feb 03, 2009 1:57 am |
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haha what is the maths involved?
what i meant to ask was what setups have people used before that worked well?
_________________ [quote="Fluffy"] yeah right mate like Im gunna mov
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royce

omnipotent being
Joined: Sun Jun 11, 2006 11:30 pm Posts: 17216 Location: Pluto
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 Posted: Tue Feb 03, 2009 2:01 am |
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I think 3" is the common amount
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Damo

az supporter
Joined: Sat Jul 22, 2006 11:30 pm Posts: 4661 Location: Brisbane
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 Posted: Tue Feb 03, 2009 2:26 am |
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Since you're using a rear spring, wouldnt you just measure how far apart the spring and shackle hangers are in the rear and make the front the same?
_________________ SJ50.4.LYF
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Mike

lesspostingmorewheeling
Joined: Tue May 06, 2008 11:30 pm Posts: 2236 Location: Under Down Under
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 Posted: Tue Feb 03, 2009 2:49 am |
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Damo wrote: Since you're using a rear spring, wouldnt you just measure how far apart the spring and shackle hangers are in the rear and make the front the same?
but wouldn't that make the front flex like the rear does standard?
_________________ [quote="Fluffy"] yeah right mate like Im gunna mov
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Zook_Fan

az supporter
Joined: Thu Mar 13, 2008 10:30 pm Posts: 4530 Location: Toowoomba
Vehicle: Maruti and LJ80's
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 Posted: Tue Feb 03, 2009 3:07 am |
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yeah but with more weight over it
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Mike

lesspostingmorewheeling
Joined: Tue May 06, 2008 11:30 pm Posts: 2236 Location: Under Down Under
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 Posted: Tue Feb 03, 2009 3:52 am |
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how is that benefictial? are there any benefits of having a chassis extention over having longer shackles?
_________________ [quote="Fluffy"] yeah right mate like Im gunna mov
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Damo

az supporter
Joined: Sat Jul 22, 2006 11:30 pm Posts: 4661 Location: Brisbane
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 Posted: Tue Feb 03, 2009 11:52 am |
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Damo wrote: but wouldn't that make the front flex like the rear does standard? The distance that these are apart isn't really what is affecting wheel travel. It's the spring rate and the fact you've got a longer main leaf. Mike wrote: how is that benefictial? are there any benefits of having a chassis extention over having longer shackles?
Usually you will get droop with longer shackles. The benefit of going with a chassis extension is that you can keep the stock shackles. Some may not see it as a benefit, YMMV.
_________________ SJ50.4.LYF
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Mike

lesspostingmorewheeling
Joined: Tue May 06, 2008 11:30 pm Posts: 2236 Location: Under Down Under
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 Posted: Tue Feb 03, 2009 9:53 pm |
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so really chassis extentions only benefit ride quailty and on road performance?
_________________ [quote="Fluffy"] yeah right mate like Im gunna mov
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royce

omnipotent being
Joined: Sun Jun 11, 2006 11:30 pm Posts: 17216 Location: Pluto
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 Posted: Wed Feb 04, 2009 12:36 am |
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shorter shackles are a shit load more stable, better approach angle too
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Zook_Fan

az supporter
Joined: Thu Mar 13, 2008 10:30 pm Posts: 4530 Location: Toowoomba
Vehicle: Maruti and LJ80's
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 Posted: Thu Feb 05, 2009 2:36 am |
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what about getting one of these: http://www.rocky-road.com/ruf.html
it wouldnt cost much to make and once you've made one you can put up the dimensions sto show us all how to do it 
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Mike

lesspostingmorewheeling
Joined: Tue May 06, 2008 11:30 pm Posts: 2236 Location: Under Down Under
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 Posted: Thu Feb 05, 2009 3:10 am |
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that kit looks good but i think i'm gonna go another way
_________________ [quote="Fluffy"] yeah right mate like Im gunna mov
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zookernator
Joined: Sun Mar 16, 2008 10:30 pm Posts: 813 Location: Tasmania
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 Posted: Thu Feb 05, 2009 11:47 am |
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Mike wrote: that kit looks good but i think i'm gonna go another way
hehe, your not keeping secrets are you mike 
_________________ F&R ARB air lockers, lux diffs, 4 link coil rear,
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Mike

lesspostingmorewheeling
Joined: Tue May 06, 2008 11:30 pm Posts: 2236 Location: Under Down Under
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 Posted: Thu Feb 05, 2009 4:20 pm |
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zookernator wrote: Mike wrote: that kit looks good but i think i'm gonna go another way hehe, your not keeping secrets are you mike 
haha your just jealous that your not the only person who knows about it anymore
_________________ [quote="Fluffy"] yeah right mate like Im gunna mov
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zookernator
Joined: Sun Mar 16, 2008 10:30 pm Posts: 813 Location: Tasmania
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 Posted: Thu Feb 05, 2009 5:06 pm |
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Mike wrote: zookernator wrote: Mike wrote: that kit looks good but i think i'm gonna go another way hehe, your not keeping secrets are you mike  haha your just jealous that your not the only person who knows about it anymore  hahaha
_________________ F&R ARB air lockers, lux diffs, 4 link coil rear,
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Mike

lesspostingmorewheeling
Joined: Tue May 06, 2008 11:30 pm Posts: 2236 Location: Under Down Under
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 Posted: Thu Feb 05, 2009 6:09 pm |
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zookernator wrote: Mike wrote: zookernator wrote: Mike wrote: that kit looks good but i think i'm gonna go another way hehe, your not keeping secrets are you mike  haha your just jealous that your not the only person who knows about it anymore  hahaha
haha to make you feel special i'll tell you later what i find out today
_________________ [quote="Fluffy"] yeah right mate like Im gunna mov
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