Tyre sizes for GU

Submitted: Thursday, Jul 28, 2005 at 09:46
ThreadID: 25127 Views:1487 Replies:4 FollowUps:3
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I have a GU with a 2 inch lift, what is the biggest tyre I can fit to it with out scrubbing. Im after another set of steel rims 16 x 8 with a 10mm positive offset. What brands are available. ROH do a -13 only.
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Reply By: Truckster (Vic) - Thursday, Jul 28, 2005 at 09:51

Thursday, Jul 28, 2005 at 09:51
You can fit 36inch swampers on if you like with that lift.

but legally you can only go 15mm bigger than OEM

have a search, its been asked a few thousand times
AnswerID: 122492

Reply By: Leroy - Thursday, Jul 28, 2005 at 09:57

Thursday, Jul 28, 2005 at 09:57
A 305*75 will fit fine with the landcruiser offset which I think is the -13?? You need to remove your front mud flaps as the tyres will rub when you turn!! On the same rim you could fit a JT in 34*10.5 without any prob.

Leroy
AnswerID: 122495

Follow Up By: V8Diesel - Thursday, Jul 28, 2005 at 18:37

Thursday, Jul 28, 2005 at 18:37
I had Cooper ATR 305/70/16's on mine. Tons of room - I'd say 315/75's would be fine.
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FollowupID: 377763

Follow Up By: Richard Lang - Thursday, Jul 28, 2005 at 20:31

Thursday, Jul 28, 2005 at 20:31
V8Diesel, did you have to change the gear ratios to match your tyres? I've coopers 315/75/16 on my Landcrusier 80 and am concerned that they will put alot of strain on the gearbox. Would you suggest I change the crown and pinion?
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FollowupID: 377782

Reply By: Andrew (Whyalla) - Thursday, Jul 28, 2005 at 18:47

Thursday, Jul 28, 2005 at 18:47
ROH do an "export only" zero offset rim which will make 315/75/16s fit better. You also need to lower the bump stops 25mm to stop them rubbing at full articulation.
AnswerID: 122594

Follow Up By: Banjo gu - Friday, Jul 29, 2005 at 09:22

Friday, Jul 29, 2005 at 09:22
Thanks for the respose, I dont want to change my gearing so I will proberly fit 33 x 10.5-16 or 34 x 10.5-16 Simex JungleTtreker 2.
Procomp rockcrawlers have a 6mm positive offset, I will be checking out a set this week end.
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FollowupID: 377835

Reply By: kiss'n'dirt - Friday, Jul 29, 2005 at 13:45

Friday, Jul 29, 2005 at 13:45
Their standard size is 265/70 16 which is just under 31"

I have changed mine to 265/75 16 which brings it to 32"

That is sitting on the legal limit as ADR only allows you a 15mm increase in overall diameter.

Most people however will run 285/75 16. i know 285 will just rub at max travel. Most cops and DOT will leave 285's as it looks normal for a 2" lift. Depends who you get. My brother is a cop and i know some are pri*ks and go through your truck.

i personally can't justify the cost of 285's compared to 265 and a 1/2" rise in clearance.

It also means more power running 265's as i'm pushing a smaller diameter. Heaps in rough or tricky terrain when i need every ounce of juice.
AnswerID: 122715

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