Biggest Tyres Without Mods

Discuss modifications on your 1979 to late 1998 SFA 4x4 Hilux here.
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Reinart21
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Real Name: Reinart

Wed Oct 28, 2015 5:41 pm

Okay, maybe not without Mods,

Have done:
Full OME Suspension
50 MM Body Lift

Going for a set of new Rims and Wheels.
Can I fit 33"s and just massage the body where they rub(good excuse to get fender flares :lmao: :lmao: :lmao: )

What fits on the SFA brake calipers without interfering, even when going the KZTE caliper with cruiser discs?

Wheel: 15x8.0|6x139|-19 15"
Tire: BF Goodrich Mud Terrain KM2 108Q RWL LRC GO This tire can be 33x12.5x15 or 33x10.5x15, less chance to rub on the 10.5?

Not exactly confident to move tha axle myself, and Allan is pretty much a road trip from us. :surrender: :surrender:

Should I just be happy with 32", want to go to walvisbay and take on the sand dunes :mrgreen: :mrgreen:

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Mud Dog
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Wed Oct 28, 2015 6:04 pm

The OME should have given you close to 100mm improvement in the ride height, but remember that is negated with articulation. The 50mm body lift on the other hand will help quite a bit to accommodate 33" tyres, and for the best part you should be OK. Depending on the rim offset and the tyre width you might find it still rubbing against the foot-well panel while articulation occurs together with a turn. A little 'creative panel beating should be able to solve that issue, but I would still do the axle shift. You will also have to re-adjust the steering stops so that the bigger tyres don't foul against the leaf packs. In this regard the narrower tyre profile will allow for just that little extra turning arc, as well as being less likely to foul against the foot-well. :winkx:

That all being said, personally I would stay with 31" tyres as long as you still have the 22R motor in there, even for the dunes - just deflate them nicely for the bigger footprint. My opinion is that you will have much less power with the bigger tyre diameter and only a small footprint improvement - one will negate the other and I would prefer to be able to keep the revs up to maintain momentum. Just M2CW.
When your road comes to an end ...... you need a HILUX!.

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Life is like a jar of Jalapeño peppers ... what you do today, might burn your ass tomorrow.
Don't take life too seriously ..... no-one gets out alive.
It's not about waiting for storms to pass. It's about learning to dance in the rain.
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Mud Dog
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Wed Oct 28, 2015 6:15 pm

Something else to consider is open road driving ..... bigger tyres will mean poorer acceleration - can become an issue when you want to overtake a "slow-coach" and you don't have endless windows of opportunity. A more important factor will be the decline in braking power with bigger tyre diameters.
When your road comes to an end ...... you need a HILUX!.

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Life is like a jar of Jalapeño peppers ... what you do today, might burn your ass tomorrow.
Don't take life too seriously ..... no-one gets out alive.
It's not about waiting for storms to pass. It's about learning to dance in the rain.
And be yourself ..... everyone else is taken!

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ChrisF
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Wed Oct 28, 2015 10:32 pm

dont want to up-end your project ....

but for dunes you want HORSES .... ride height is one of the lesser issues for this type of playing.


but they just look SO much better with nice tekkies ....

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JohanW
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Wed Oct 28, 2015 11:36 pm

Horses coming soon..... viewtopic.php?f=98&t=39214

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ChrisF
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Thu Oct 29, 2015 6:36 am

JohanW wrote:Horses coming soon..... viewtopic.php?f=98&t=39214
okkaaayyyyyy ... :D: :clap: :thumbup:

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Thu Oct 29, 2015 7:26 am

you should be okay-ish on 32"s... but on 33"s you definitely going to get problems.. :shock2: :thumbup:
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Reinart21
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Thu Oct 29, 2015 11:15 am

Funny story.

The 265/75 R16 Which is a popular size for the Vigo shape hilux, the OD is 10MM larger than the 32"x12.5xR15 Wow. And they don't even rub, well with an OME suspension, but still.

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Knuppel
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Thu Oct 29, 2015 1:11 pm

Turn the steering all the way to the right and then fully depress the suspension, if it does not rub then you will be ok.
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Reinart21
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Thu Oct 29, 2015 6:38 pm

Knuppel wrote:Turn the steering all the way to the right and then fully depress the suspension, if it does not rub then you will be ok.

I can do that, but I must first buy the wheels and tires... Need to know what will work before I purchase.. :beg:

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Thu Oct 29, 2015 8:25 pm

Stay with the popular sizes if you will be away from big centres...
Not very nice to have to travel to find the correct tyre size when things get difficult...
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Knuppel
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Thu Oct 29, 2015 8:59 pm

You will need to move the front axle forward if you dont want it to rub with any thing bigger than a 31x10.5x15. With an OME suspension it will not rub until you get a full articulation axel twister and then you either rip the knobbelies off your tyre or it eats away at the mud flap and footwell floor panel.
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Reinart21
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Fri Oct 30, 2015 10:54 am

Would it be a better bet to go with 16" Rims if I am worried about the calipers and disks. Or just stick to 15"'s and get a more negative offset?

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Knuppel
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Mon Nov 02, 2015 8:13 am

Why would your calipers be a problem with 15" rims Reinhart? It came from the factory 15"s
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Reinart21
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Real Name: Reinart

Wed Nov 04, 2015 10:22 am

Knuppel wrote:Why would your calipers be a problem with 15" rims Reinhart? It came from the factory 15"s
Alot of the guys recoomend an Fj75 disc with KZTE calipers and master cylinder etc as a very good upgrade when increasing the size of the engine to something with more horses as in our case the lexus 8 pot.... :surrender: :surrender:

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Reinart21
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Wed Nov 04, 2015 10:22 am

Was wondering if those upgrades would fit with the 15"rims

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Knuppel
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Wed Nov 04, 2015 10:34 am

Yes they will, a 75 cruiser came from the factory with 15"rims
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Reinart21
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Wed Nov 04, 2015 10:38 am

So I put in a order for 15x8.0|6x139|-10, 15" hope the offset is not too much as the OEM Rims offset is positive 30 and the 0 offset rims were not in stock.

Tires, went with an All Terrain as I am going to be driving a bit more on-road than off.
33/10.50 R15

I'm hoping by taking the narrow version of the 33" it will have a bit less chance of rubbing when turning full lock, with an inch smaller on both sides... :beg: If that makes sense. :laugh2:

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Reinart21
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Wed Nov 04, 2015 10:42 am

Knuppel wrote:Yes they will, a 75 cruiser came from the factory with 15"rims
:celebrate: :celebrate: :celebrate: :celebrate: :celebrate:

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Knuppel
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Wed Nov 04, 2015 11:02 am

Positive 30 offset rims are going to bite you in the a$$

My rims I have are 10"wide 15" diameter and have an offset of aprox MINUS 45. They JUST miss the tie rod ends enough to fit a wheel weight without it catching.

If you are going to use 8" wide rim with a positive offset then ..............................

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Reinart21
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Real Name: Reinart

Thu Nov 05, 2015 6:29 am

Knuppel wrote:Positive 30 offset rims are going to bite you in the a$$

My rims I have are 10"wide 15" diameter and have an offset of aprox MINUS 45. They JUST miss the tie rod ends enough to fit a wheel weight without it catching.

If you are going to use 8" wide rim with a positive offset then ..............................

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Okay, so I may have made a mistake. Took the 8" negative 10 offset :crazy: :crazy: :crazy:

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Knuppel
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Thu Nov 05, 2015 9:58 am

I unfortunately don't have time to strip a wheel off today to calculate what the actual distance should be.
Maybe tomorrow i will get a gap and measure, you may just be lucky
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Reinart21
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Real Name: Reinart

Thu Nov 05, 2015 10:08 am

Knuppel wrote:I unfortunately don't have time to strip a wheel off today to calculate what the actual distance should be.
Maybe tomorrow i will get a gap and measure, you may just be lucky
I might, or I might just have a brand new set of wheels up for grabs :slap: :lmao: :lmao: :lmao:

Will probably pick them up tomorrow as they where couriered yesterday morning.

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