i had and loved 6.5s with my 31s with both a 1.3 carb and 1.6 efi.
least having the gti engine you know it loves to rev
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| Recommended reduction gears for sierra with 31" https://auszookers.com/forum/viewtopic.php?f=5&t=39503 |
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| Author: | Rye_Bread [ Sun Mar 10, 2013 5:48 pm ] |
| Post subject: | Recommended reduction gears for sierra with 31" |
Hey everyone! I want to get reduction gears for my 1991 sierra and was wondering what reduction I should get and where I can find some in Australia? I'm running 31x10.5r15 mud terrain and I have a 1.3 gti EFI motor.. I go 4wding all most every weekend and its also my daily car... Cheers |
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| Author: | 303zuke [ Sun Mar 10, 2013 7:40 pm ] |
| Post subject: | Re: Recommended reduction gears for sierra with 31" |
You would have 3 suitable choices: 4.9s or 5.14s from the States. Lowrange Offroad offer both at probably the cheapest you'd find, or 5.25s from TrialJimny Each of those progressively go from cheapest to most expensive, but in the same order from least to most useful. |
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| Author: | SierraDan [ Sun Mar 10, 2013 8:01 pm ] |
| Post subject: | Re: Recommended reduction gears for sierra with 31" |
As above. Depends on terrain though. 4.9, 5.14, the 5.25 mentioned and 6.5's are all options. Personally 5.14 and 6.5's are my pick. |
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| Author: | appsie [ Sun Mar 10, 2013 9:30 pm ] |
| Post subject: | Re: Recommended reduction gears for sierra with 31" |
i had and loved 6.5s with my 31s with both a 1.3 carb and 1.6 efi. least having the gti engine you know it loves to rev
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| Author: | Rye_Bread [ Sun Mar 10, 2013 9:53 pm ] |
| Post subject: | Re: Recommended reduction gears for sierra with 31" |
appsie wrote: i had and loved 6.5s with my 31s with both a 1.3 carb and 1.6 efi. least having the gti engine you know it loves to rev Hahaha so true! 
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| Author: | its u its me [ Mon Mar 11, 2013 11:14 am ] |
| Post subject: | Re: Recommended reduction gears for sierra with 31" |
This is a good question, I am to running 31"s and will also be looking at reduction gears over the next couple of months. Are most people running a transfer case support brace with reduction gears? or does the standard housing hold up ok? I note a few companies are selling these and stating a "must have" item with gears. |
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| Author: | tanshi [ Mon Mar 11, 2013 11:17 am ] |
| Post subject: | Re: Recommended reduction gears for sierra with 31" |
if you have gears, you really should have a rock toy ring. big gears like 6.5s will tear cases in half without it. |
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| Author: | its u its me [ Mon Mar 11, 2013 11:53 am ] |
| Post subject: | Re: Recommended reduction gears for sierra with 31" |
something like this? http://www.designfab.com.au/TransferRings.html Very resonable price for some extra protection |
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| Author: | tanshi [ Mon Mar 11, 2013 11:58 am ] |
| Post subject: | Re: Recommended reduction gears for sierra with 31" |
yep, they will need to be welded to arms though. they are designed to be just part of a custom mount for the trasnfer |
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| Author: | SierraDan [ Mon Mar 11, 2013 12:04 pm ] |
| Post subject: | Re: Recommended reduction gears for sierra with 31" |
I've never run a ring. Only braced arms. Without issue. Not to say it isn't something good to buy and I will be getting one, but it's not necessary. |
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| Author: | want33s [ Mon Mar 11, 2013 5:19 pm ] |
| Post subject: | Re: Recommended reduction gears for sierra with 31" |
SierraDan wrote: I've never run a ring. Only braced arms. Without issue. ..................... it's not necessary. X2.. |
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| Author: | Gwagensteve [ Tue Mar 12, 2013 7:53 am ] |
| Post subject: | Re: Recommended reduction gears for sierra with 31" |
X3 Steve |
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| Author: | tanshi [ Tue Mar 12, 2013 8:02 am ] |
| Post subject: | Re: Recommended reduction gears for sierra with 31" |
never said you had to. i said you should. its cheep insurance |
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| Author: | want33s [ Tue Mar 12, 2013 5:40 pm ] |
| Post subject: | Re: Recommended reduction gears for sierra with 31" |
tanshi wrote: never said you had to. i said you should. its cheep insurance I crash landed my whole car on the transfer(onto rock) several times, broke a few "Unbreakable" ROCK4X poly mounts, bent the shifter inside the transfer from the transfer coming up against the floor, shattered quite a few rear uni joints and destroyed god knows how many leaf springs through clutch dumping axle wrap but never had so much as a drop of oil leak out of the transfer. 
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| Author: | jimbo_jones [ Wed Mar 13, 2013 6:14 pm ] |
| Post subject: | Re: Recommended reduction gears for sierra with 31" |
I have 31's with 6.5 gears and love it I wouldnt get any other gears for what I drive. What type of 4wding do you do? |
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| Author: | Rye_Bread [ Wed Mar 13, 2013 9:25 pm ] |
| Post subject: | Re: Recommended reduction gears for sierra with 31" |
jimbo_jones wrote: I have 31's with 6.5 gears and love it I wouldnt get any other gears for what I drive. What type of 4wding do you do? a bit of everything but none of the really extreme stuff |
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| Author: | TryHard [ Wed Mar 13, 2013 10:20 pm ] |
| Post subject: | Re: Recommended reduction gears for sierra with 31" |
Cheap option run a 1lt case won't that work for some reduction |
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| Author: | TryHard [ Wed Mar 13, 2013 10:23 pm ] |
| Post subject: | Re: Recommended reduction gears for sierra with 31" |
want33s wrote: SierraDan wrote: I've never run a ring. Only braced arms. Without issue. ..................... it's not necessary. X2.. X4 put mightykongskid |
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| Author: | jdk81 [ Thu Mar 14, 2013 12:08 am ] |
| Post subject: | Re: Recommended reduction gears for sierra with 31" |
I had 6.4s for a long time without a cradle/ring etc but drove carefully, once I put the cradle on, I punished my car. I recently chewed a set of gears apart whilst driving down the highway. It was the hottest day this summer, and a long drive towing a trailer. From inspection it looks like it had failed over a period of time. If buying new, I would only buy the 6.5s (solely for the lifetime warranty). Low 1st is too low for most uses, but the cost of a new set of gears helps me justify the annoyance. If buying second hand (even if they are new, but someone else bought and hasn't installed yet, it would need to be cheap). If the manufacturers warranty is expired or nontransferable, I wouldnt pay new or near new prices. The BenT xfer arms looks like a decent option. |
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| Author: | TryHard [ Thu Mar 14, 2013 12:16 am ] |
| Post subject: | Re: Recommended reduction gears for sierra with 31" |
Rye_Bread wrote: jimbo_jones wrote: I have 31's with 6.5 gears and love it I wouldnt get any other gears for what I drive. What type of 4wding do you do? a bit of everything but none of the really extreme stuff Don't get me wrong i love my 6.5 for the rocks etc but far far to low for beach I hate driving on beach with them I just put a 1 lt case in slightly lower then the 1.3 case from what I read Or just buy a slighty higher set for allrounder |
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| Author: | SierraDan [ Thu Mar 14, 2013 3:36 am ] |
| Post subject: | Re: Recommended reduction gears for sierra with 31" |
TryHard wrote: want33s wrote: SierraDan wrote: I've never run a ring. Only braced arms. Without issue. ..................... it's not necessary. X2.. X4 put mightykongskid x5 $2 worth of steel |
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