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31's or 33's?
https://www.auszookers.com/forum/viewtopic.php?f=5&t=21540		 Page 1 of 1
Author:  dave91 [ Sun May 01, 2011 11:29 pm ]
Post subject:  31's or 33's?
hey guys I'm trying to decide if I should get 31's or use my dad's spare 33 bighorns, not sure what size, but they are fat bastards. Looking at a coily zook with 2' susp lift. I'd be putting a body lift in too and doing the tfer case. what is offset..? Is it a camber or spacers or anything along those lines? I'd also need wheels (king wheels?)
Cheers
Author:  SierraDan [ Sun May 01, 2011 11:36 pm ]
Post subject:  Re: 31's or 33's?
I'd go 31's. Either on a 15x8 rim with a -23 through to -28.
Or as some guys on here like a 15x7 rim on an equivalent offset.
Author:  SuziBlu [ Sun May 01, 2011 11:38 pm ]
Post subject:  Re: 31's or 33's?
I like as big as possible, if you can 33s.

Offset refers to the wheels, and how far from the centerline they are, big wide tyres need big offset generally.

What are your plans for the Tcase
Author:  SuziBlu [ Sun May 01, 2011 11:39 pm ]
Post subject:  Re: 31's or 33's?
Just saw, your in Qld, if this is to be on the road, I don't think you can run 31s even.
Author:  zooky08 [ Sun May 01, 2011 11:43 pm ]
Post subject:  Re: 31's or 33's?
You can run any size tire in qld it's just cop bait nd illegal
Author:  Rusho [ Mon May 02, 2011 12:55 am ]
Post subject:  Re: 31's or 33's?
SuziBlu wrote:
Just saw, your in Qld, if this is to be on the road, I don't think you can run 31s even.


I have 30's and they are illegal....I think technically a 29 is illegal :roll: I don't like your chances getting a coily front end holding up to 33's if you are going to wheel the shit out of it. The 1.3 might not be a big fan of pushing them around either
Author:  Gwagensteve [ Mon May 02, 2011 1:05 am ]
Post subject:  Re: 31's or 33's?
Stay with 31's. Going up to 33's with make the job eleventybillionX harder - Gearing, axle strength, clearance all get much harder to resolve. 31's are sweet on a coiler with a 2" BL and a gear drive transfer with 4:1 gears.

Steve.
Author:  dave91 [ Mon May 02, 2011 2:51 am ]
Post subject:  Re: 31's or 33's?
Oh ok, well i'm not planning on having it 'legal' because we're only allowed a diameter increase of 1.5cm before it becomes illegal. I'll get a rwc with stock tyres then mod it. I was told that 6.5:1 would be good for 33's, so 4:1 is good for 31's? should I get a body lift as well as a susp. lift if I'm using 31's?
Author:  Gwagensteve [ Mon May 02, 2011 2:57 am ]
Post subject:  Re: 31's or 33's?
Suspension lift isn't required to clear 31, a 2" BL will clear the tyres. 4:1 gearing will be fine.

Suspension is a minefield for coil sierras. The closer you leave the suspension to stock, the less problems you will have.

Steve.
Author:  dave91 [ Mon May 02, 2011 3:04 am ]
Post subject:  Re: 31's or 33's?
so just a body lift? will it have good flex and be good for 4x4ing?
Author:  Rusho [ Mon May 02, 2011 3:06 am ]
Post subject:  Re: 31's or 33's?
dave91 wrote:
so just a body lift? will it have good flex and be good for 4x4ing?


I doubt it...you would probably need suspension and body lift. Before you ask, look on eBay, the optima kits are great :wink:
Author:  Gwagensteve [ Mon May 02, 2011 3:22 am ]
Post subject:  Re: 31's or 33's?
That's a different problem.

The more flex you add, the more room your tyres need to move. Obviously, with just a BL, you'll only have stock flex. The thing is, aftermarket shocks and springs (on stock mounts) don't add much flex either, but they can improve ride. Improving ride is a different issue to adding flex or running a bigger tyre.

If you don't want to get into fabrication, a bolt on 2" suspension lift will improve ride (a bit) and add a bit of flex, but won't cause cause other problems.

Improving flex doesn't make a huge amount of difference to off road ability. A little bit, sure, but not much. A locker makes much more difference than flex. for me, improving flex is really about improving balance so the car feels more predictable when it's picking up wheels, but the lockers are what's adding capability.

Steve.
Author:  ZUKOFHZRD [ Mon May 02, 2011 9:46 am ]
Post subject:  Re: 31's or 33's?
what do you have to do to add flex then?
Author:  Rusho [ Mon May 02, 2011 9:50 am ]
Post subject:  Re: 31's or 33's?
Correct springs and bump stops is my guess :wink:
Author:  alien [ Mon May 02, 2011 10:10 am ]
Post subject:  Re: 31's or 33's?
ZUKOFHZRD wrote:
what do you have to do to add flex then?


4 link front and rear =D

nar... best bet is do a RUF conversion (do a search) and a bigass guard chop.
Author:  smiffkid [ Mon May 02, 2011 10:12 am ]
Post subject:  Re: 31's or 33's?
ruf on a coily could be a problem alien
Author:  alien [ Mon May 02, 2011 10:14 am ]
Post subject:  Re: 31's or 33's?
making it a leafy would just make it more awesome... lol
Author:  smiffkid [ Mon May 02, 2011 10:15 am ]
Post subject:  Re: 31's or 33's?
haha,
a guy in tassie had custom coils made with about 4 inchs of lift, and ran 33 inch thorn birds, seemed to go alright
Author:  alien [ Mon May 02, 2011 10:17 am ]
Post subject:  Re: 31's or 33's?
need custom everything to run 4" coils in a coily though.
Author:  smiffkid [ Mon May 02, 2011 10:20 am ]
Post subject:  Re: 31's or 33's?
yea i know
Author:  Lockie666 [ Mon May 02, 2011 10:21 am ]
Post subject:  Re: 31's or 33's?
alien wrote:
need custom everything to run 4" coils in a coily though.


I'm sure you'd know.

He'd just need panhard rods, dropped castor arms and extended brake lines, dropped pitman... annndddd..
Author:  alien [ Mon May 02, 2011 12:59 pm ]
Post subject:  Re: 31's or 33's?
an engineer? =)
Author:  smiffkid [ Mon May 02, 2011 10:46 pm ]
Post subject:  Re: 31's or 33's?
different shocks
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