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Enemy of Reality
nissan 09 gu patrol
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Discussion Starter #1
Hi all, i don't get what 7.50R16-8PRLT means insofar as wha tthe size of the tyre is in comparison to a 275/65 R17...
 

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Rogue
nissan gu patrol
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20,220 Posts
I interperate that as 7.5 inches wide on a 16 inch rim and an 8 ply rating (PL) of light truck (LT) which is equivelant to 'D'? Maybe?
 

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Enemy of Reality
nissan 09 gu patrol
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11,848 Posts
Discussion Starter #3
okay, so how tall?
 

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Rogue
nissan gu patrol
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Good question? 32-31" I think they are the same tyres that come standard on base model 70 series crusiers.
 

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Premium Member
1975 G60, 1989 GQ, 2013 GU
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1,408 Posts
Hi all, i don't get what 7.50R16-8PRLT means insofar as wha tthe size of the tyre is in comparison to a 275/65 R17...
7.5inchs wide, radial, 16inch rim, 8 ply, light truck and there 31.64inchs high

TRev
 

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Enemy of Reality
nissan 09 gu patrol
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11,848 Posts
Discussion Starter #7
thanks guys. How do i work that out?
 

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731 Posts
I've just measured my trailer tyres, Dunlop Super Gripper and a BFG Trac Edge for a spare and they are about 30.5" tall.

There's a good tyre size calculator here:

Tyre Size Calculator @ ExplorOz Articles
 

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Enemy of Reality
nissan 09 gu patrol
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11,848 Posts
Discussion Starter #9 (Edited)
Thanks Grahame, That's a good calculator - beats the miata one!Damn! Still hoping to find a legal way to get 285/75s 16s on the troll... Ah well. Might just give up.
*edit* I spelled Grahame's name wrong! Sorry mate!
 

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Premium Member
1975 G60, 1989 GQ, 2013 GU
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1,408 Posts
I've just measured my trailer tyres, Dunlop Super Gripper and a BFG Trac Edge for a spare and they are about 30.5" tall.
You must have the 6.50r16s

Thanks Graeme, That's a good calculator - beats the miata one!Damn! Still hoping to find a legal way to get 285/75s 16s on the troll... Ah well. Might just give up.
You can get the 9.00r16 which 35inchs in diameter and 9 inchs wide

TRev
 

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Enemy of Reality
nissan 09 gu patrol
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11,848 Posts
Discussion Starter #11
You must have the 6.50r16s



You can get the 9.00r16 which 35inchs in diameter and 9 inchs wide

TRev
The GU patrol come with 7.5 R16s. Apparantly this is the tallest OEM wheel/tyre. And it's only 3mm taller than the 17s. Still means a 32" tyre or a 285 is too tall as they are more than 15mm taller than the tallest factory tyre.
 

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Rogue
nissan gu patrol
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20,220 Posts
No one will ever know and once you wear down the tread 5mm you'll be legal anyway.
 

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Enemy of Reality
nissan 09 gu patrol
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11,848 Posts
Discussion Starter #13
the brass won't measure with a tape, they'll look at the size rating on the tyre. But it's not the fines i'm concerned about, it's insurance. Not legal = not covered... Just have to decide whether or not i'll risk it...
 

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Rogue
nissan gu patrol
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I don't know if I have this right, but there is my little comparison of diameter between 265/70R16, 265/75R16, 285/75/R16 & 7.5R16.
 

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Enemy of Reality
nissan 09 gu patrol
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11,848 Posts
Discussion Starter #15
Hey mate that's a brilliant idea! Can you please add the 275/65 r17 and the 235/85 r16 on there? I can't picture - ise excel tables on my puta. Note the stock tyres (7.5R16 and the two i just mentioned) so others can compare. this will help in the future for others trying to find the largest legal tyre to put on a troll.
 

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You must have the 6.50r16s

TRev
Nope, just double checked, definitely 7.50 16 LT. Remeasured my best one (about half worn) and it is somewhere between 30.5" and 30.75"
 

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Enemy of Reality
nissan 09 gu patrol
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11,848 Posts
Discussion Starter #18
You, my man, are awesome!
That looks like 285/75 R16s are legal! Provided i change my plaquard!

w00t!
 

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Rogue
nissan gu patrol
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20,220 Posts
You, my man, are awesome!
That looks like 285/75 R16s are legal! Provided i change my plaquard!

w00t!
Yes it does, can't believe I didn't notice that.
 
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