Got the perfect sollution for you.
Sell it and run a GQ case as a divorced unit with crawler gears.
You'll struggle to keep the little sierra case together
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| ultimate transfer strength https://auszookers.com/forum/viewtopic.php?f=5&t=24328 |
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| Author: | troopy [ Thu Jul 28, 2011 12:35 pm ] |
| Post subject: | ultimate transfer strength |
Hi guys I am up to the stage of mounting the sierra case in the lj buggy and would like to know what are the best ways to upgrade the transfer case to handle the abuse of competition with 40 inch tyres. The buggy will hopefully be under 1200kg and is powered by a g16b and 4 speed auto and I plan to fit 6.5 gears to the transfer.I am making a reinforced cradle that picks up all except 2 of the case bolts and the front input housing bolts. If anyone has any suggestions or ideas please let me know thankyou troopy |
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| Author: | Fatzook [ Thu Jul 28, 2011 12:40 pm ] |
| Post subject: | Re: ultimate transfer strength |
Got the perfect sollution for you. Sell it and run a GQ case as a divorced unit with crawler gears. You'll struggle to keep the little sierra case together
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| Author: | troopy [ Thu Jul 28, 2011 12:46 pm ] |
| Post subject: | Re: ultimate transfer strength |
Thanks I have to say that is not what I was hoping to hear but yeah I might be asking just a bit too much of the sierra case. My current zook runs twin patrol transfers with standard gears and has been very reliable but very heavy and would a patrol case with 88% reduction gears actually be low enough with the lower torque of the 1.6 ? |
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| Author: | BlueSuzy [ Thu Jul 28, 2011 12:59 pm ] |
| Post subject: | Re: ultimate transfer strength |
40's is pretty big, i think there are a few tough trucks with 37's with stock reinforced transfers. rhetts? Next bet would be vitara or more aftermarket parts avaliable the common hilux. Very similar sizing. Im not sure how big the patrols are, my guess is huge? |
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| Author: | troopy [ Thu Jul 28, 2011 1:09 pm ] |
| Post subject: | Re: ultimate transfer strength |
I think even running a hilux transfer with a divorcing kit I would still need to upgrade the outputs and it is still only able to get 4.7 gears and with the 1:1 high range it would struggle. |
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| Author: | suzooky87 [ Thu Jul 28, 2011 1:36 pm ] |
| Post subject: | Re: ultimate transfer strength |
seriously mate have a good look on lowrangeoffroad they have a bunch of things to make your 1.6 match up to a hilux 5 speed and then twin transfers if u have the money cos that shits expensive. would love to do something extreme like that with my 87 lwb sierra. |
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| Author: | troopy [ Thu Jul 28, 2011 1:48 pm ] |
| Post subject: | Re: ultimate transfer strength |
I was really hoping to get away from running twins again and it still leaves me with the 1:1 high range, plus I already have the 6.5 gears in a case waiting and would like to keep the aw4 auto as they are supposed to be bullet proof. |
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| Author: | BlueSuzy [ Thu Jul 28, 2011 1:49 pm ] |
| Post subject: | Re: ultimate transfer strength |
If its only a buggy why are you worried about high range? High diff gears will help also. aw4 to lux single transfer with trailgear 4.7? |
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| Author: | BlueSuzy [ Thu Jul 28, 2011 1:56 pm ] |
| Post subject: | Re: ultimate transfer strength |
http://www.lowrangeoffroad.com/index.ph ... egory/109/ Review: Very easy install... great value to get those DEEP trail gears you need. I run this gear set along with the T case doubler in my Buggy.. Been running it for 3 years, 39.5 in tires, 5.29 diffs, lockers.. Rock crawling in New England... No Problems ever. Building another truck right now for Street and Trail... Will be installing this set and the doubler in it as well |
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| Author: | atari4x4 [ Thu Jul 28, 2011 1:59 pm ] |
| Post subject: | Re: ultimate transfer strength |
BlueSuzy wrote: If its only a buggy why are you worried about high range? High diff gears will help also.
aw4 to lux single transfer with trailgear 4.7? Ultra 4 
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| Author: | troopy [ Thu Jul 28, 2011 2:00 pm ] |
| Post subject: | Re: ultimate transfer strength |
I want the high range to still be usable as we do higher speed sections in some comps and with an offroad permit we can drive buggies on some beaches and public offroad areas. My daily zook runs 32's with a 1.6 and the 6.5 gears in the transfer and I think it would struggle with less reduction on 40's. If there was a lower gearing set for the hilux case I would go that option but not duals as I want to keep this thing light with a short as possible drivetrain. |
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| Author: | suzooky87 [ Thu Jul 28, 2011 2:03 pm ] |
| Post subject: | Re: ultimate transfer strength |
http://www.lowrangeoffroad.com/index.ph ... apter.html http://www.lowrangeoffroad.com/index.ph ... apter.html Do it 
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| Author: | smiffkid [ Thu Jul 28, 2011 2:12 pm ] |
| Post subject: | Re: ultimate transfer strength |
cause in wa we like to drive fast, u could always get the 8.8 reduction gears, but your running 60 series diffs so change the ratio is them to like a 4.88 and then run something like 5.12 in the case, wouldn give a perfect low range but would keep some strength in it, Patrol cases are huge |
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| Author: | sideways [ Thu Jul 28, 2011 2:14 pm ] |
| Post subject: | Re: ultimate transfer strength |
Seeing as you've got it, run the 6.5 case. Autos are much softer on drivelines, I doubt soft enough but hey, you never know! Unless you have an alternate use for the 6.5 case there's really not much to lose. 
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| Author: | atari4x4 [ Thu Jul 28, 2011 2:20 pm ] |
| Post subject: | Re: ultimate transfer strength |
what combo was the army barbie pink camo LJ at tuff truck? |
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| Author: | Fatzook [ Thu Jul 28, 2011 2:27 pm ] |
| Post subject: | Re: ultimate transfer strength |
atari4x4 wrote: what combo was the army barbie pink camo LJ at tuff truck?
G13BB into sierra 5sp to 2:1? custom planetary box to GQ transfer with 4.7 gears I believe. Personally I think it could have done with a little less gearing at times, but with the little G13BB that would not have worked. Still, a mighty impressive combination
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| Author: | troopy [ Thu Jul 28, 2011 2:35 pm ] |
| Post subject: | Re: ultimate transfer strength |
That is alot to pack into a lj and still a fairly long drivetrain, both of the patrol cases combined in my sierra buggy are over 100kgs and impossible to remove without help oh and it does over 100kph in single low so I do like the buzz of going fast sometimes |
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| Author: | canberramav [ Thu Jul 28, 2011 8:06 pm ] |
| Post subject: | Re: ultimate transfer strength |
I would just stick with the Sierra case and see how you go. I did blow mine up but it was over 5 years old and im not sure on the install quality etc. They were calmini gears i think. Rob has flogged the crapper out of his zook on 37 treps. Never had a problem. He has actually broken a longfield and still had no other driveline problems. The auto will soak up alot of your driveline stress. |
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| Author: | canberramav [ Thu Jul 28, 2011 8:08 pm ] |
| Post subject: | Re: ultimate transfer strength |
I should mention Rob's gears are 6 years old. Have been in prob 5 x Willowglen Nissan trials Toperi x 3 Tough truck x 2 And many drunken night drives. (This is the hardest on the driveline) |
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| Author: | evolution [ Thu Jul 28, 2011 11:34 pm ] |
| Post subject: | Re: ultimate transfer strength |
Going the same way Troopy 6.4s new front out put shaft Rocktoy ring and a cradle . Rhett runs 40s and gives it a flogging and his is manual he did break a case at last years Tuff Truck but would think that gear set had seen a lot of abuse before it broke. Duncan |
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| Author: | =wardy= [ Fri Jul 29, 2011 12:57 am ] |
| Post subject: | Re: ultimate transfer strength |
I run g16b 3speed auto divorced hilux transfer 4.88 diffs and 37s IT IS TERABLE IN HIGH RANGE wish I had of keep sierra transfer but i keeped cracking the housing[I was runing a manual at the time]. I will have to go back a sierra transfer soon as i want high range back wardy ps does any one want to buy a divorced hilux transfer with 4/7s twin stick and rear disconect? 
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| Author: | TryHard [ Fri Jul 29, 2011 12:59 am ] |
| Post subject: | Re: ultimate transfer strength |
http://www.lowrangeoffroad.com/index.ph ... mount.html http://www.lowrangeoffroad.com/index.ph ... ake-1.html http://locktup4x4.com.au/suzuki-sierra- ... t-392.html some stuff for u to look into Troopy |
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| Author: | troopy [ Fri Jul 29, 2011 7:05 am ] |
| Post subject: | Re: ultimate transfer strength |
I have looked at the various cradles and are building my own that picks up the case at more points and gives me more underbelly clearance and will be mounted to the chassis in 4 places instead of 3 |
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| Author: | TryHard [ Fri Jul 29, 2011 8:09 am ] |
| Post subject: | Re: ultimate transfer strength |
yer good idea the more points the less likely it can FAIL 
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| Author: | BlueSuzy [ Fri Jul 29, 2011 12:40 pm ] |
| Post subject: | Re: ultimate transfer strength |
What about an atlas? Bit $$$ though
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| Author: | troopy [ Fri Jul 29, 2011 1:04 pm ] |
| Post subject: | Re: ultimate transfer strength |
An atlas would be the ultimate as long as it could be optioned with a 1:1.5 ratio high range and would give me front and rear disconnects. The other option would be to use a lt230 as I think these had a reduced ratio high range and crawler gears as low as 5:1 are available or the dream setup would be the atlas and a set of portals |
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| Author: | Red89 [ Fri Jul 29, 2011 1:56 pm ] |
| Post subject: | Re: ultimate transfer strength |
JBell has got an Lt230 4 sale with 49% reduction gears aint cheap but.
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| Author: | Gwagensteve [ Fri Jul 29, 2011 10:14 pm ] |
| Post subject: | Re: ultimate transfer strength |
Red89 wrote: JBell has got an Lt230 4 sale with 49% reduction gears
aint cheap but.I think that's the answer rather than trying to get a Sierra case work with so much torque/load going through it. LT230's can be set up divorced. Steve. |
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