Alright ive been tryin to figure out what tyres to buy and need some opinions.
The main offroad driving will be on sand and trails that sort of stuff, thinkin the 235/75R15 or the 30 X9.5R15 size which size and type would be best for the conditions and a fairly stock sierra 2inch lift.
Thanks
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tyres
Re: tyres
crispy wrote:Alright ive been tryin to figure out what tyres to buy and need some opinions.
The main offroad driving will be on sand and trails that sort of stuff, thinkin the 235/75R15 or the 30X9.5R15 size which size and type would be best for the conditions and a fairly stock sierra 2inch lift.
Thanks
If I can fit 10R's on the Viagra U should fit 9R's to the Sierra easy.
Nahh seriously - 9 R's are a good size without major work and they dont look like cop bait. 10R's look damn big on a near stock Sierra (although they can be dwarfed after a bit of lift and an SPOA).
crispy wrote:Yeah i was thinking probably 9 R's with further down the track lift. the 235/75's might be a bit small.
The tyre guy i talked to said goodyear AT/S or AT/R any opinions on these?
WOOHOO 100th post
I also had a look at the Goodyear AT/Rs... a nice tyre, but I ended up going for Coopers. Now, in my case I wanted to keep to the original size... so I had to go for the Cooper Discoverer AT... but this won't be your case!
In the size you want you could probably go for an ST or even STT which has a very nice tread-pattern. Pretty aggressive and I hear they handle pretty well on-road even in the wet... also they're supposed to be pretty much bullet proof (but I can't really comment on that one!)
Anyone with any hands-on experience with the Coopers ST or STT? Are they as good as I've heard?
WaveCult wrote:crispy wrote:Yeah i was thinking probably 9 R's with further down the track lift. the 235/75's might be a bit small.
The tyre guy i talked to said goodyear AT/S or AT/R any opinions on these?
WOOHOO 100th post
Whatever sixe you buy will be too small in a months time. buy the (R's and budget for the upgrade to the 10R's and whatever mods you need to fit them....
I've had the Dueller AT's 225/75 on mine for the last 75000 K's and they've been a great tyre. Was going to go for the 235/75 BFG M/T's this time because you can legally fit them to a 6inch rim. If you've got a 2" lift you'll fit 30/9.5's (Might have to fold the inner guard rims), no worries but some of the legitimate fitters will only fit them to rims greater than 6.5. If you've got 15 x 7 rims go for the 30". as they are cheaper than the 235/75's because they are in greater production demand. I've bought a couple of 15x7 rims so I can go to the 30/9.5 BFG M/T's. (There's only about 10mm ride hight and 20mm over all height difference btw 235/75's and 30/9.5's)
Bohdidog wrote:I've had the Dueller AT's 225/75 on mine for the last 75000 K's and they've been a great tyre. Was going to go for the 235/75 BFG M/T's this time because you can legally fit them to a 6inch rim. If you've got a 2" lift you'll fit 30/9.5's (Might have to fold the inner guard rims), no worries but some of the legitimate fitters will only fit them to rims greater than 6.5. If you've got 15 x 7 rims go for the 30". as they are cheaper than the 235/75's because they are in greater production demand. I've bought a couple of 15x7 rims so I can go to the 30/9.5 BFG M/T's. (There's only about 10mm ride hight and 20mm over all height difference btw 235/75's and 30/9.5's)
Production sizes vary greatly - I've seen 235/75s in a road pattern that were 29.6" tall - bigger than most 30"s. Varies a lot by brand name.
Realistically the 235/75 are nominally 28.6 inch approx so should real world measure 28" and 30x9.5s are nominally 29.6" and realistically measure 29", so 1/2" taller and about 1" wider.
30x9.5 (9R's) are a good size until you're caught by 1/2" for clearance and wish you'd bought 31"s. Then when you fit the 31"s you wish you fitted the 32"s at the first thing you're caught on.
Get the 30"s and budget on an upgrade as I said, or buy the 235"s and budget for the upgrade later. 235"s will fit on your existing 5.5" rims - 30"s will not (or shouldnt anyway - a tyrefitter I know up here put a 31" on 5 1/2 rim as a spare - very scary).
I think for the 31"s eventhe 30"s with the lift you have you will have to be prepared for a little bit of bashing for clearance, unless you get the offset just right on the rims - and you're probably gonna want more offset rather than the right offset so get the hammer out anyway....
ive got a set of 15x7 rims so thats not a problem, i think ill go with 9R's but im not really sure wot sort of tyre. The wrangler AT/S and AT/R or the toyo AT are main ones recommended to roughly in my price range. I've heard the coopers are alot more expensive so are probably to rich for me
The road to enlightenment requires Four Wheel Drive
Get MTRs.....they are fukn unreal off the road and handle brilliantly on road as well. I had BFG all terrains for a while and the MTRs are much more quiet and less slippery in the wet then they were..They are soft yes, but you wont get the wear issues with them that the larger vehicles will. An all terrain tyre is only going to let you down off road.
My 2c.
My 2c.
CAM
crispy wrote:ive got a set of 15x7 rims so thats not a problem, i think ill go with 9R's but im not really sure wot sort of tyre. The wrangler AT/S and AT/R or the toyo AT are main ones recommended to roughly in my price range. I've heard the coopers are alot more expensive so are probably to rich for me
I just got back from going to a few tyre places to get 2 tyres for the rear... The Coopers Discoverer AT I am getting for $165 per tyre (most places do $169 as it is the recommended price and apparently Cooper wants retailers to stick to that price)... AT/R's were $170 at Beaurepairs which have a 15% off promotion finishing up today at 4PM (the 170 is the already discounted price... Bob Jane T-Mart were selling them for $180 or $189 or something like that).
So I've put the Coopers on order and will be fitting them Monday... weeee...
But back to your issue... if you want ATs (and I'm all for ATs in everything but the extreme)... the Coopers are just as pricey as the competition in the end... but they seem to have more tread in them than most.
Hope this helps...
camskizook wrote:Get MTRs.....they are fukn unreal off the road and handle brilliantly on road as well. I had BFG all terrains for a while and the MTRs are much more quiet and less slippery in the wet then they were..They are soft yes, but you wont get the wear issues with them that the larger vehicles will. An all terrain tyre is only going to let you down off road.
My 2c.
well my rims are sitting down at the tyre shop with 235/75 MT/R's on them, when i ordered them the price was quoted 180 each now theyre here and fitted they want 240 a tyre because the initial quote price was wrong and i can afford that much for tyres. The tyre guy said anyway that they'd be really noisey on the road and hopeless is sand. so i dunno
The road to enlightenment requires Four Wheel Drive
crispy wrote:camskizook wrote:Get MTRs.....they are fukn unreal off the road and handle brilliantly on road as well. I had BFG all terrains for a while and the MTRs are much more quiet and less slippery in the wet then they were..They are soft yes, but you wont get the wear issues with them that the larger vehicles will. An all terrain tyre is only going to let you down off road.
My 2c.
well my rims are sitting down at the tyre shop with 235/75 MT/R's on them, when i ordered them the price was quoted 180 each now theyre here and fitted they want 240 a tyre because the initial quote price was wrong and i can afford that much for tyres. The tyre guy said anyway that they'd be really noisey on the road and hopeless is sand. so i dunno
240 each for 235s. Ouch.....
mud4b wrote:what sort of quote did you get.they cant change it after they have fitted them.
You shoulda got 30x9.5"s or 31x10.5"s Muddies for under $180 per tyre I would have thought, although Wrangler MT-R's are pricier than most brands. Tell em if they've changed the price to put 30"s on instead.
Sounds like they're pretty dodgy, changing the price and then trying to hit you for it.
Start mentioning about going to Consumer Affairs and ask the people you're dealing with for their full names- that usually gets them thinking twice about stuffing you around.
Actually go to Consumer Affairs (office of small business and consumer affairs?) they've got a website and you can lodge on line complaints. I've used them in the past and always had good results.
Most companies think they can get away with crap like that as the average consumer won't do anything about it.....
Actually go to Consumer Affairs (office of small business and consumer affairs?) they've got a website and you can lodge on line complaints. I've used them in the past and always had good results.
Most companies think they can get away with crap like that as the average consumer won't do anything about it.....
David
Re: tyres
crispy wrote:Alright ive been tryin to figure out what tyres to buy and need some opinions.
The main offroad driving will be on sand and trails that sort of stuff, thinkin the 235/75R15 or the 30 X9.5R15 size which size and type would be best for the conditions and a fairly stock sierra 2inch lift.
Thanks
Hi Crispy,
If i recall correctly - you are building up the orange LJ right?
If that is the case - you may want to have a think about gearing vs tyre size. i.e. once you increase your tyre size, your gearing will be out of wack and you can expect to run out of engine when trying to drive up hills, through mud, over rocks etc...
This isn't the end of the world for a sierra owner - we can get rock hoppers etc... but for an LJ owner, i think you are going to find it very hard to source any sort of gear lowering devices to help you use these new tyres that you have gotten.
Make sense?
Perhaps you need to consider one of the following options:
1. get the same size tyre the car came with but with a more aggressive tread.
2. get bigger tyres, and a bigger engine convert the whole car over to sierra running gear (there is an LJ around melbourne that has 1.3L sierra running gear)... this means you can then source things like rock hoppers etc.
3. take your LJ body and put it onto a sierra chassis - then you can do the same as option 2 - run sierra running gear, get a rock hopper etc...
Cheers,
Greg
DMA Founding Member #1 - Now Retired
crispy wrote:yeah that makes sense, the LJ isnt really making any progress at the moment because of the sierra i picked up which is wot the tyres are intended for. so im a bit unsure which way to go now and i dunno see wots happens
Apart from under body / diff housing clearance - a sierra with stock sized tyres is likely to drive far better offroad then one with stock gearing and bigger tyres - honestly.
A fellow in the zook club used to out drive me when he had stock tyres even when i had 235x75x15 mud terrains and a rear locker - he had a 1L, i had a 1.3... i would just keep running out of engine on hill climbs - he could just keep spinning until he gripped enough and got up the hill. (plus i'm a better pusher than he is
)
The moral to the story - once you increase you tyre size, expect to increase your gearing / engine size - otherwise you are not going to get as far.
cheers
DMA Founding Member #1 - Now Retired
JimnyJeep wrote:26.3 inches to be exact.
Im running these at the moment
When I was looking for a small 4x4 overseas the 2 real options I had were the Daihatsu Terios and the Jimny. They both come with 205/70R15 and having gotten the original tyres a little "cut-up" on rocks I upgraded to Bridgestone ATs in the same size (for insurance and legal purposes).
I highly recommend the Bridgestone Dueler 693 ATs (noticed you had a mention before on upgrading your rubber... if you want to keep to the same size have a look at the Bridgestones). On road they were as good as the standard Dueler HTs and off-road the difference was very very very noticable particularly in muddy hill-climbs
miikeboyle wrote:hey
Ami i right to assume that if you keep the standard rim size, then you can get as big a tyre you want to put on them rims and it will still be legal?
how much wider rim can you use on a sierra before they are illegal? 8inch wide?
this is for NSW
thanks
mike
Each state has different rules regarding this, so you have to check in your own state. Normally you can go +-10 (eg to 215 Section) with no problem in any state with no problems. Maybe 225 is legal in NSW - i can't answer that for you.
Most states also normally allow small rim swaps such as to a 16" rim with 6" wide from say a 15" x 5.5" wide - so long as the tyre diameter isn't substantially changed. This is, of course, completely useless for offroad use, but great for ricers fitting 40 profile tyres on $2000 worth of 17" rims on their $5000 Lancer or Pulsar.
What u wanna know is, is it legal to go to a 15x7" rim and 30" or 31" rubber. The answer to that in pretty much every state is no. A engineering certificate is the only way to do that legally and still keep your insurance valid to.
Note the engineers certificate doesn't exempt you from other ADR's it just says that this is safe and legal to use these rims and tyres (much the same as a Roadworthiness certificate). So if you get done for noise pollution (drive by noise test) with your muddies flapping away on the road it just too bad........
You may legally be able to get 235/75 on your standard rims in NSW though, or even on a 6" wide rim.... but no chance of anything larger.
miikeboyle wrote:hey
Ami i right to assume that if you keep the standard rim size, then you can get as big a tyre you want to put on them rims and it will still be legal?
thanks
mike
No. Tyre diameter and rim diameter are both considered modifications - so squeezing a 31" tyre on a 5.5" rim isn't legal - sorry.
Also Tyre manufacturers specify which size rims their tyres are designed for (and thus are legal for). Anything else is bad news come crunch and insurance time....
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