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Simex sizes

General Tech Talk

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Simex sizes

Post by Maxtd5def »

G'day all,

P211 of the August 2004 4wd Monthly has a Simex ad with the various dimensions of JT2s & ETs.

Some are different to the Simex website - looks more accurate

e.g. 35 10.50 ET is now 12" section width

Thats more like it!

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Post by TuffRR »

I don't understand why manufacturers (Simex aren't the only ones) wrongly size their tyres. IMO if a 35' tyre is actually closer to 36' for example, then call it a 36'. Interco also often have a large discrepency between the size stated and actual size.
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Post by Guy »

TuffRR wrote:I don't understand why manufacturers (Simex aren't the only ones) wrongly size their tyres. IMO if a 35' tyre is actually closer to 36' for example, then call it a 36'. Interco also often have a large discrepency between the size stated and actual size.

with interco some run big and others run small ..

My 35 bias claw's were almost smaller than my 33 swampers .. :roll:

My old 33x12.5 TSL's were closer to a 34 .. I know a few 34x9.5's that are more like a 32 :twisted:
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Post by DeWsE »

My old 33x12.5 TSL's were closer to a 34 .. I know a few 34x9.5's that are more like a 32


Understandable at 4psi.
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Post by Guy »

DeWsE wrote:
My old 33x12.5 TSL's were closer to a 34 .. I know a few 34x9.5's that are more like a 32


Understandable at 4psi.


They are measured at similar pressures ..

I have also seen an old and a new 36 TSL swamper .. The old half worn rubber dwarfed the brand new one Bot mounted on 8 inch rims at similar pressures ..

Do bias plys stretch with age ??
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Post by 4sum4 »

isn`t there a centerpede with 10.5" wide then a Centerpede extreme with 12.5" wide :?

and the 34 JTT2`s are 34.6" and the 35" centerpede is 34.9" :?
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Post by Patroler »

The Centipede Extreme Trekker is 10.5" wide and is easily distinguishable by only having 2 rows of centre lugs, it comes in diameters upto 35"
And the Centipede Extreme Trekker 2 is 12.5" wide, it has 3 centre lugs, it is upto 36" tall - ive got these, there is other sizes also.
From what Ive seen though these are the two main widths of the ET,
I think most JT2's are 11.5" though.
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Post by MKPatrolGuy »

Patroler wrote:The Centipede Extreme Trekker is 10.5" wide and is easily distinguishable by only having 2 rows of centre lugs, it comes in diameters upto 35"
And the Centipede Extreme Trekker 2 is 12.5" wide, it has 3 centre lugs, it is upto 36" tall - ive got these, there is other sizes also.
From what Ive seen though these are the two main widths of the ET,
I think most JT2's are 11.5" though.


There is now a Centipede 35" x 11.5", it has the 2 centre rows but spaced a bit further appart and longer outer lugs.

Edit: Makes sense now :roll:
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Post by srowlandson »

Bias ply tyres stretch with the force of going around.

they also can measure a different height from being parked overnight to being driven 100km's


Who cares what size they have printed on them, as long as they JUST fit in the guards... thats all that matters :)

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Post by Ruggers »

wouldnt you rather a 35 that says its a 34 for when the it comes time to tell the copper that yes they are the corrext size see on the side it says it is.
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Post by Daisy »

Indeed.. my 36 swampers look the same size as my 35 wrangler MTR's :?
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Post by 83 lux »

when i first got my jt2's they measuered (34.5 11.5 r16)
36.5 @ 45psi
at 20 they measuse 34.5
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Post by big red »

Image

33 xterrain, 33 silverstone, 35x10.5 centipede, 36 swamper TSL, 37 creepy crawler
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Post by robbie »

that 36" swamper looks quite big for a 36" tyre..
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Post by hottiemonster »

big red wrote:Image

33 xterrain, 33 silverstone, 35x10.5 centipede, 36 swamper TSL, 37 creepy crawler


are they on rims though?
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Post by Daisy »

hottiemonster wrote:
big red wrote:Image

33 xterrain, 33 silverstone, 35x10.5 centipede, 36 swamper TSL, 37 creepy crawler


are they on rims though?


silly question.. lolol

I believe they all would be otherwise it'd be a PITA changing them all the time

:rofl:
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Post by De-lux »

jungle trekker 2's are illegal in QLD.

very Grimace
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Post by hottiemonster »

De-lux wrote:jungle trekker 2's are illegal in QLD.

very Grimace


that sux!

u see them everywhere on the road here :armsup:
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Post by Daisy »

De-lux wrote:jungle trekker 2's are illegal in QLD.

very Grimace


they are??

saw quite a few of em goin around :?

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Post by Slunnie »

De-lux wrote:jungle trekker 2's are illegal in QLD.

very Grimace

Why?
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Post by bogged »

robbie wrote:that 36" swamper looks quite big for a 36" tyre..


yea about an inch bigger at a guess
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