Tyre & rim questions
Submitted: Thursday, Jul 31, 2003 at 19:55
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bulldog
i have just purchased a hilux 3.0 Lt turbo diesel. it came with road tyres on alloy rims. i am planning to do a fair bit of off road in the future and was after info on wether it would be a good idea to purchase a new set of rims with a more durable tyre for off road and interchange them for highway work. i need to know if this would be practical. i like the tyres that are on them at the moment as they are great on the road ( bridgestones 255/70r15 112L LT) and i do alot of road driving for work. Should i get bigger rims and tyres for off road? i have sort of settled on ta set of coopers (advice from a couple of friends) tyres that are 80% off 20% on but i dont want these on while travelling long distance on highways any help on this topic would be much appreciated.. CHEERS!!!
Reply By: Member - Raymond - Thursday, Aug 28, 2003 at 12:35
Thursday, Aug 28, 2003 at 12:35
G'day Bulldog,
I've just bought myself the same vehicle and ended up trading the original tyres in for a set of BFgoodrich AT 235/75/15 with sunraysia rims. These were recommended to me by the tyre store and the changeover price was $700 for 5 new tyres and 4 new rims. I was informed by the RTA
Canberra that if the new tyre had a rolling circumference more than 15mm of the factory tyre, it would be illegal.
I have had the BFgoodrich AT's before on my other 4WD and thought they were great all round.
Cheers.
AnswerID:
29438
Follow Up By: Member - Rohan K - Thursday, Aug 28, 2003 at 15:12
Thursday, Aug 28, 2003 at 15:12
Raymond, that's correct. However, I've been onto the NSW RTA on this issue because of the mass confusion that surrounds it, especially as there is such a large variation in actual tyre diameter, within the same tyre size. The short story is that because my tyre placard only states a 245/70/16, I can only fit a tyre with 15 mm larger. If you use any one of the tyre calculators available, they will indicate I could only fit a 255/70/16 as any other size exceeds the 15 mm limit. However, this is not the case, in reality. Because I found a 245/70/16 tyre that has a diameter of 805 mm, I am able to fit any tyre (so long as I stay within the width, speed and load limits) up to a maximum of 820 mm in diameter. That means I can even fit a 265/75/16 tyre (804 mm). This has been confirmed to be by the RTA via e-mail.
For more info/discussion on the issue go to
overlanderand search in the technical section for "tyre sizes".Smile, you're on ExplorOz
Rohan (
Sydney - on the QLD side of the Harbour
Bridge)
FollowupID:
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Follow Up By: Member - Raymond - Thursday, Aug 28, 2003 at 15:19
Thursday, Aug 28, 2003 at 15:19
I realise that you can get an R16 tyre for the Hilux. I was just saying that on the changeover, I went to a R15 tyre. I did so because previously I ran 31/10.5/15 of which I had a spare which I traded in as part of the deal. Originally, I was going to fit the 31" but was informed by a variety of tyre stores that they would no longer be legal. I settled on the 235/75/15 for simplicity's sake and because it meant that I only had to purchase 4 rims and not 5.
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