33" muddies on a landcruiser td

Submitted: Friday, Aug 03, 2007 at 07:15
ThreadID: 123952 Views:4564 Replies:3 FollowUps:2
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more tyre discussion! The 2006 landcruiser has 17inch rims - the general opinion on this and other forums is that with heavy load ( I have a boat up top, all the gadgets and bushtracker hanging off the tail) the Coopers won't last the distance. The Goodyear Mtr is getting good reviews however its load rating varies accross its sizes - the only available Mtr for a 17 inch rim has a load rating of 112 - less than the standard Dunlop At22's?!. Which leaves an obvious choice of the BFG Muddies - but in 17 inch rim the only available tyre is a 285/70/17 - a 33 inch tyre which means 42mm increase in diameter, speedo inaccuracy and loss of towing torque? My question (finally they say!) - anyone running 33" tyres on a turbodiesel? if so what were the issues/solutions.
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Reply By: Dickie Nee - Friday, Aug 03, 2007 at 19:00

Friday, Aug 03, 2007 at 19:00
I can not offer much advise as we have a Land Rover with 285/60/18 rims.
We have HT Cooper tire fitted.
We find them very good.
I know they have a better range in the 17" rim that we can not get.
AnswerID: 572625

Reply By: Oldfart & the Boss - Friday, Aug 03, 2007 at 21:07

Friday, Aug 03, 2007 at 21:07
Im sorry that I cant help you with any advice with regard to your 33 inch request but the last time I checked I think the only tyres available for the 17 inch rim on a cruiser that complies with the required load rating was either a Cooper ATR in LT265/70r17 with a load rating of121R and an overall dia of 803mm, Cooper ST in the same size, load rating and a dia of 804mm or Cooper STT, same size ,load rating and dia of 810mm. The other option is to go with Mickey Thompson MTZ again in 268/70/17 again with a load rating to cover all legal requirements. I have just returned from Alice Springs on a set of these and found them to travel well on wet and dry bitume along with a fairly rapid trip across the Plenty/Donohue highway.I would be very reticent to run 33inch tyres as they do not comply with transport dept regs here in Qld as they increase overall dia by more than the allowed amount which I think is a max of 15mm. Hoping this helps you in some way.

Bruce
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Follow Up By: Oldfart & the Boss - Friday, Aug 03, 2007 at 21:13

Friday, Aug 03, 2007 at 21:13
Sorry but I forgot to mention that with the Mickey Thompsons on the speedo was accurate to about 1/2 klm/hr by the GPS

Bruce
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Reply By: Gadget - Saturday, Aug 04, 2007 at 05:23

Saturday, Aug 04, 2007 at 05:23
While I can't answer your question I can let you know that we have Coopers on our 2003 Landcruiser (with boat on top and Bushtracker fully loaded for round oz trip). Have done 45,000 km with no problems and normal wear. They have performed to our expectations.
AnswerID: 572627

Follow Up By: Twin Creeks - Monday, Sep 03, 2007 at 08:05

Monday, Sep 03, 2007 at 08:05
finished up with 33" Bfg Muddies -feedback after 200km - no difference towing the bushtracker, great on the beach, noisy on smooth bitumin at 90-100Km/h, worse fuel economy by 5% after adjusting for speedo which is 100 reads 95, sqirmish on roundabouts, no diiference in the wet but the big difference is traction on a wet dirt track - no spin justs walks over what last week needed momentum.

Thankyou all for advice
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