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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: Tue May 29, 2007 2:30 pm |
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Anyone know anything about putting twin transfer cases is a Sierra?
I might go do some searching. It's probably been covered on OL and Pirate.
They should fit in a LWB ok, but might do some wierd stuff relating to the front shaft?
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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 May 29, 2007 2:49 pm |
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for the stuffing around I reckon youd be better putting a vit box and transfer in, something about 2 sierra ones gets in the way
or hack a little auto box up to get the gear unit out of it for a reduction box where the jackshaft goes 
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11_evl
Joined: Tue Apr 10, 2007 11:30 pm Posts: 846 Location: logan reserve, Brisb
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 Posted: Tue May 29, 2007 2:54 pm |
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if im doin a 1.6 swap into a sierra is it easier to put a vit box in and possibly mount a tranfer in as well
_________________ 92 sierra, 40" treps, full hydro, F&R steer, 106"W
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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 May 29, 2007 3:16 pm |
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have a look in antts build up thread will give you an idea on putting a sierra transfer behind a vit box
but in short no its heaps more work than using a sierra box
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antt
Joined: Sat Jul 08, 2006 11:30 pm Posts: 387
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 Posted: Tue May 29, 2007 10:27 pm |
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my advice after building mine.....just buy gears
yes mine works pretty good, and its cool having 2 levers and 2 transfers, and it gives me a heap of different options (can put it in double low first, and it'll spin the 37's on bitumen at idle with the front brake on, and also pull 100+ kph)......but it was a ton of work. from choppin the vit case in half an rewelding it, to makin all the custom shit to join em together, it took ages
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TZAR

az supporter
Joined: Tue Aug 01, 2006 11:30 pm Posts: 3459 Location: licking some windows
Vehicle: LJ20 LJ50
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 Posted: Wed May 30, 2007 1:05 am |
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simple option is get a toyota gearbox from a 40 series and put that in where the jackshaft goes.
4th is 1:1 so no difference there but 1,2,3 will all reduce the speed and give you 40 forward gears and 16 reverse gears
bit of work but then you could sell kits for it
_________________ Camels have nice toes
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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 May 30, 2007 1:12 am |
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a 40 series box would lower it 3"
hmmm chopped down 1litre box 
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antt
Joined: Sat Jul 08, 2006 11:30 pm Posts: 387
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 Posted: Wed May 30, 2007 1:42 am |
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just track down a trailtough rock block to replace the jackshaft....good luck finding one though
or build a planetary reduction setup like tim hardy's
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michael
Joined: Wed Jan 31, 2007 10:30 pm Posts: 134 Location: Boyne Island
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 Posted: Wed May 30, 2007 3:58 am |
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I was reading a fewforums and comments about the Rock Blocks last night. Yank stuff....but there was a comment or two about them being no good if you're going to be driving on the road. Also, overheating oil - mind you, Trial Tough did chip in and point out they ween't using the recommended oil. And, I guess they wouldn't fit a stock 1L anyway...
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TZAR

az supporter
Joined: Tue Aug 01, 2006 11:30 pm Posts: 3459 Location: licking some windows
Vehicle: LJ20 LJ50
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 Posted: Wed May 30, 2007 9:50 pm |
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michael wrote: I was reading a fewforums and comments about the Rock Blocks last night. Yank stuff....but there was a comment or two about them being no good if you're going to be driving on the road. Also, overheating oil - mind you, Trial Tough did chip in and point out they ween't using the recommended oil. And, I guess they wouldn't fit a stock 1L anyway...
and the $2500 asking price is a bit much 
_________________ Camels have nice toes
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nomys
Joined: Sun Jun 11, 2006 11:30 pm Posts: 44 Location: logan village
Vehicle: 87 pathfinder
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 Posted: Sat Jun 02, 2007 9:10 pm |
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when I was going to do this I seriously considede using a cut down gear box where the jack shaft goes
like jock said it give lots more options as far as gears go
or the the vit gear gearbox with sierra transfer behind it
but going to do the touring thing now
_________________ If it ain't broke. I can fix that
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dj181
Joined: Thu Jul 20, 2006 11:30 pm Posts: 389 Location: brisbane
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 Posted: Sat Jun 02, 2007 9:40 pm |
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i have seen an article where a guy used a volvo gearbox and out in in between the normal gearbox and transfer, apparently on the 1l it has the same shaft size and spline i will see if i can hunt up the webpage again
_________________ 333...................im only half evil
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