Tyres for 3.0lt Patrol

Submitted: Thursday, Jan 22, 2004 at 09:52
ThreadID: 9942 Views:1685 Replies:7 FollowUps:12
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Looking at fitting a set of 265/75 16 BFG mts on a 3.0lt Patrol, i tow a mid size boat a lot say 600kgs. Will these tyres affect low down torque enough to be a pain?. Should i stick with the 265/70/ 16.
Cheers Geoff
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Reply By: Leroy - Thursday, Jan 22, 2004 at 09:57

Thursday, Jan 22, 2004 at 09:57
Go the 285/75 16. My bro in law has them on his and couldn't be happier. You also get a bit more height. He doesnt feel they have affected the low down torque either.

Leroy
AnswerID: 43929

Follow Up By: Michael - Thursday, Jan 22, 2004 at 15:16

Thursday, Jan 22, 2004 at 15:16
Hi all, I also have a friend with 285/75s and he reckons they are great and dont rub on patrols with standard suspension. I have stuck to Bfg 265/75 on my 4.2 gu because they a very widely used and can get them anywhere. The 3 litre has much lower diff ratio than the 4.2 so either of those bigger diameter tyres should be fine. Michael
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FollowupID: 306188

Follow Up By: Michael - Thursday, Jan 22, 2004 at 15:18

Thursday, Jan 22, 2004 at 15:18
Just had a thought, in heavy going , steep climbing the 285/75 could be an issue. First gear, low range, is not really low enough already and could be interesting at crawl. Michael
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Reply By: LBJ - Thursday, Jan 22, 2004 at 10:19

Thursday, Jan 22, 2004 at 10:19
flatdog, i would be worried about changing from 70series to 75. the difference is nothing really. you wont even notice it. the difference between them can be ajusted with tyre pressure they're that close. go the 285 or 295. the down low torque will hardly be affected. i have the 295's on mine and they are perfect in my opinion
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Reply By: Slider - Thursday, Jan 22, 2004 at 10:30

Thursday, Jan 22, 2004 at 10:30
Be careful going up a couple of sizes on standard as you could find your insurance void. Usually one size up is the limit on later model vehicles (I think the limit allowed is maximum of 15mm in diameter.) 275/70 x 16 would still be legal. I've also heard of balancing problems on the taller (75 aspect) BFGs especially on Patrols which seem to be susceptable to balancing issues.
Good luck.
AnswerID: 43936

Follow Up By: LBJ - Thursday, Jan 22, 2004 at 12:39

Thursday, Jan 22, 2004 at 12:39
hi slider i am not having a shot at you by all means, but why is every body so worried about there insurance all the time. in alot of these posts where everyone is asking about mods and so forth nearlly every time there will be someone saying "WATCH OUT FOR INSURANCE" or "VOID VOID VOID". you know what i mean. well dont everyone go crazy on me now i just wanted to point that out. no offence slider ok!!! i definately agree with you about the balancing side of things.......

p.s. if half the 4b's out there were to show the insurance companies what they have done i reckon no-one would have insurance(technically)
just my opinion guys, dont shoot me!!
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Follow Up By: Diamond(due to duck season) - Thursday, Jan 22, 2004 at 12:58

Thursday, Jan 22, 2004 at 12:58
gday lbj.
i one had a waranty clain knocked back on a clutch because they said the wheels were to wide there fore putting more strain on the clutch.
i argued with them and ended up putting stockys back on and took it to a diferent dealer.had no problems then.
cheers
due to duck season coming
ive decided to hide out
love jemima puddle duck
back after the season
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Follow Up By: LBJ - Thursday, Jan 22, 2004 at 13:04

Thursday, Jan 22, 2004 at 13:04
gday diamond, see i know exactly what you mean and i agree. you can have all these mods on your 4b but if we just take a little initiative when we have these problems and change a few things back THEN make the dealers awhere of the probs then we all will be ok. i'm sure after people do there mods most of us keep the original parts. i know that some mods are not as easy to change back to standard as some too!!
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Reply By: Mark - Thursday, Jan 22, 2004 at 12:13

Thursday, Jan 22, 2004 at 12:13
I have 285/75 Cooper ST's on my 3.0TD GU Patrol. I also tow a 1.6T offroad van. Very happy with the tyres, but at say 1000rpm there is a lack of power taking off uphill with the van on.

But, the tyre size makes only a 7% difference in gearing, not enough to make up for the low engine power at those low revs. Need a dtronic to make a notable improvement at those revs - Santa forgot mine this year :(

As for legality, the Ti came out with 275/70R16 so my understanding is that the 285's are legal here in WA. But would do it anyway!!! The gains offroad of the 33" (285/75) tyre compared to the standard 31" (265/70) are huge. But if only onroad, then no real advantage of a bigger tyre.

Cheers

Mark
AnswerID: 43946

Follow Up By: joshinthecity - Thursday, Jan 22, 2004 at 14:31

Thursday, Jan 22, 2004 at 14:31
Yeah, what he said.

I have same truck, with same sized rubber. and I can vouch for all of what Mark has just sead.

Josh.

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Follow Up By: 10 Para- Sunday, Jan 25, 2004 at 19:48

Sunday, Jan 25, 2004 at 19:48
So what would the gains be for a chnage from 275/70R16 to the 285/75R16 and can you get 275/75R16 which would seem to be a good size all round, having a look at the coopers tires they dont do that size why is that. Home For Xmas
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Follow Up By: Mark - Sunday, Jan 25, 2004 at 23:00

Sunday, Jan 25, 2004 at 23:00
A 275/70 is a smaller diameter than a 265/75, something like a 31.5" compared to a 32" tyre. I have not come across a 275/75 in a brand/type of tyre I would like to get, but it would be approximately a 32.5" tyre if made.

There are already so many different tyre sizes I suppose a manufacturer simply estimates whats more popular. The beauty of a 275 is that its the same width as fitted to some models of patrols, hence few legal issues.

The upside of a "70" profile is marginally better handling at the expense of ride softness. The downside of a "70" profile is that there is marginally less benefit when lower the tyre pressure (lb for lb).

I personally would prefer a 265/80 if it were made. Its a 33" tyre, but without the wider width that I personally do not favour. I looked at the 255/85 Cooper ST, but it looked too skinny.

If only the tyre manufacturers made every permutation of tyre sizes...

Cheers

Mark
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Follow Up By: 10 Para- Monday, Jan 26, 2004 at 08:05

Monday, Jan 26, 2004 at 08:05
Hi Mark i aggree that is my point, on the Cooper Tire spec they have a 265/75R16 which is 10Ply with a load of 1550Kgs and then go to a 285/75R16 which is 8Ply with a load of 1499Kgs both in the STT with the ST being about the same, now i would also prefer a slimer tire as it woul handle the sand better, not so much to push and pull through and the same foot print lengthsways which counts, and a little higher to get the roll over.
i hear that there is a new coopers on the way the STC this one is suppose to stop the chipping of the ST i wonder if they will bring out a 275 in that model it out in May so will be around the time i want to change.
RegardsHome For Xmas
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Reply By: Old Johno - Thursday, Jan 22, 2004 at 12:22

Thursday, Jan 22, 2004 at 12:22
Flatdog,
I fitted 265/75 BGF to my patrol, to date no noticable problems. One thing I have noticed is my speedo is now more accurate as the nissan speedo's are generally 4% below true pace. I have checked this with GPS and stopwatch over the measurerd KM's on the NSW F3 feeeway.

Good luck
AnswerID: 43948

Follow Up By: Michael - Thursday, Jan 22, 2004 at 15:28

Thursday, Jan 22, 2004 at 15:28
Gday Johno, I run bfg 265/75's on my GU, set cruise control on 120km/ph and pass radar on the freeway almost every day, never been booked. Can only suggest you are correct. Cheers Michael
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FollowupID: 306193

Reply By: Jonesy56 - Thursday, Jan 22, 2004 at 13:04

Thursday, Jan 22, 2004 at 13:04
Hi Flatdog,
I put the larger tyre on my '01 3l Patrol a few years ago. There was a noticable difference in town taking off. But out on the road and in the scrub in heavy grunt country there didn't seem to be a problem. I will probably put them on again if I can ever get over the problems with engine warning lights and loss of power on the '03 Patrol I have now.
Cheers
Jonesy
AnswerID: 43956

Follow Up By: Michael - Thursday, Jan 22, 2004 at 15:24

Thursday, Jan 22, 2004 at 15:24
Hi Jonesy, check the post back a week or so, guys with the same power problems, ended up being the air flow sensor, appears to be a very common problem with the 3.litre patrol. About $1200 someone said if it is the problem. Michael
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FollowupID: 306192

Follow Up By: Member -Bob & Lex (Sydney) - Thursday, Jan 22, 2004 at 18:40

Thursday, Jan 22, 2004 at 18:40
03 model warranty, but push them as the dealer didn't want to do mine on a 2000 model till HO told them to beacause they are so dear.Regards Bob
Where to next
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Reply By: Member - Andrew(WA) - Thursday, Feb 05, 2004 at 00:51

Thursday, Feb 05, 2004 at 00:51
Flatdog

For what its worth.....

I have just finished a 3 month trip around the country in my GU 3.0 2002 Manual.

I towed a van.....around 1500kg most of the way.

Prior to leaving I put Cooper 265/75 in the LT 8ply on the car, replacing the crappy Bridgestone 265/70's.

My experience was that the car had a noticable drop in low down power...off the mark, and towing was made more difficult because of it. Economy also suffered.

Not the sought of thing you notice as you drive away from the tyre shop, but after a bit of stop start stuff in traffic conditions, I found myself slipping the clutch more than before.

After getting half way around the country I actually looked at putting the 70's back on in Townsville but stood to loose to much on the Coopers. Nothing wrong with the coopers, they performed very well with excellent wear, hardly look like they have touched road.

I did Fraser Island and can say the bigger tyre on the sand was fantastic. I did the whole place at 24 pound in some extremely soft stuff......she cruised through it.

If you have an auto it would be a different story.....the torque converter would take up the difference without you knowing, I would guess.

cheers


AnswerID: 45513

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