GTR Tyres (opinions)

GTR Tyres (opinions)

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Discussion

christer

Original Poster:

2,804 posts

257 months

Thursday 7th October 2010
quotequote all
This is a bit of a cross-post from GTR forum to capture other owners' views.

My GTR currently has Dunlops on, and I have been quoted from £545 to 580 per tyre to replace from HPC's - presumably because they are the only ones selling them.

The alternative in the Run-Flat world is the Bridgestone RE070 tyre which is available in limited stock - and a set of 4 would cost around £1350 + fitting incl VAT.

My situation is that my car has half-worn Dunlops on the front, one 4k mile Dunlop on thenearside rear, and one 80% worn Dunlop on the other side. When I purchased the car the nearside rear had a nail in it and that tyre was replaced only because the other rear had 5mm+ left on it. Now, 4k miles further on the "unreplaced" rear is getting close to replacement.

On the non-RFT side, I can find PZero 100/101Y rated tyres in correct sizes for around £1050 + fitting. From other cars I have owned that had RFT's I have never heard that the non-RFT's are less good from a performance perspective and the ride is better. Some of these cars have been heavier than the GTR.

Dunlops cost £2250ish to replace all 4.

My question or dilemma is this. I can replace a single Dunlop for aorund £550 and postpone the problem for a year or so (providing I don't have a puncture of course!). I could replace all 4 with Bridgestone RFT's at a cost of £1400 odd all in or I could seriously consider a top non-RFT tyre (Pzero)for around £1100ish. The relative cost between Bridgestone and PZero is not really to much of a worry, but the following two points are clouding the decision:
1. At around £550 and £340 per tyre both RFT options will also be expensive to replace in the case of puncture, especially if you have a puncture at a time when the other tyre on the axle has less than 5mm left. You could even with Bridgeston option end up paying £7-800 when you get a puncture.
2. I drive occasionally for longer trips in Europe and Scandinavia. It would be a huge problem to find replacements of either RFT option in Europe and worse in Scandinavia. This then is also not just about cost, but being stranded for several days whilst replacements are shipped etc. The PZero's would be somewhere between no problem at all, and at worst perhaps not being available off the shelf everywhere. There are no HPC's in Scandinavia, so Dunlops are out of the question.

So as a summary, I simply refuse to pay £550 per tyre for the Dunlops so they are out of the question (unless I buy one last one). Between the other two the issues are balanced between cost, availability (security of supply across Europe and Scandinavia) and "maintenance" (in terms of punctures and so on).

I am not expecting anyone to decide for me in this particular instance, but would really appreciate hearing from people that use non-RFT's in terms of performance, cost, availability - and also in terms of carrying/using Tyreweld or similar (I hear there is a gel or something these days that don't make a mess).

Sorry for long post, hope to hear from someone!

Edited by christer on Thursday 7th October 11:37


Edited by christer on Thursday 7th October 11:38


Edited by christer on Thursday 7th October 11:39

liner33

10,763 posts

208 months

Thursday 7th October 2010
quotequote all
wheels in motion are doing Bridgestones for gtrs at a good rate

http://www.wheels-inmotion.co.uk/

christer

Original Poster:

2,804 posts

257 months

Thursday 7th October 2010
quotequote all
Thanks - but they do not even have the correct size for rears online - let alone Bridgestone RE070's......so I guess I will ring them if I decide the Bridgestone route is the right one....

rhinochopig

17,932 posts

204 months

Thursday 7th October 2010
quotequote all
Why do they need to be run-flats?

liner33

10,763 posts

208 months

Thursday 7th October 2010
quotequote all
They are meant to be main dealer only , so tyre stockists have trouble buying them

quote from their forum

"The Nissan GTR runflat tyres are now only available direct from the dealer, no outside company will be able to buy them..... I have four in stock and sell them for £550 all in each, the dealer sells them for £900 all in each angry.gif

I make a reasonable profit at £550 so the dealer in my opinion is taking the piss"

christer

Original Poster:

2,804 posts

257 months

Thursday 7th October 2010
quotequote all
rhinochopig said:
Why do they need to be run-flats?
Oh, they don't (I suppose - I can carry tyre sealant instead) - I am asking for opinions from people who do not use RFT's because I would like to know what they are like. Non-RFT's have always been a huge improvement in every other car I have owned but I wanted some feedback specific to the GTRsmileThe sizes are 255/40 and 285/35 and Pzero's seem to be the commonly available tyre in these sizes as far as I can see....

LaurenceFrost

691 posts

258 months

Friday 8th October 2010
quotequote all
christer said:
rhinochopig said:
Why do they need to be run-flats?
Oh, they don't (I suppose - I can carry tyre sealant instead) - I am asking for opinions from people who do not use RFT's because I would like to know what they are like. Non-RFT's have always been a huge improvement in every other car I have owned but I wanted some feedback specific to the GTRsmileThe sizes are 255/40 and 285/35 and Pzero's seem to be the commonly available tyre in these sizes as far as I can see....
The trouble with changing from a run flat to a non-run flat is that the suspension is designed with the run-flat tyre in mind. Some GT-R owners who have fitted a non-run flat (P-Zero I think) reported that the car felt horrible to drive. Way too soft and bouncy, even with the suspension in the hardest setting because the tyre has so much more give in it. I guess you could increase tyre pressures a bit, but personally I'll be staying with a run flat.

christer

Original Poster:

2,804 posts

257 months

Friday 8th October 2010
quotequote all
Thanks - I am coming to that conclusion although the R888's seem to be good because they have very stiff sidewalls anyway. The other "issue" is that they are available in 285 front and 315 rear sizes so thats not exactly standard! The price of R488's seem to be around £200 north of Bridgestones, but £600 south of Dunlops.

I think on the issue of "security of supply" I am going to have to admit defeat - or go back to Porsches, Lambos, Astons - basically anything that uses standard tyressmile

Thanks for the comments!

LaurenceFrost

691 posts

258 months

Friday 8th October 2010
quotequote all
christer said:
Thanks - I am coming to that conclusion although the R888's seem to be good because they have very stiff sidewalls anyway. The other "issue" is that they are available in 285 front and 315 rear sizes so thats not exactly standard! The price of R488's seem to be around £200 north of Bridgestones, but £600 south of Dunlops.

I think on the issue of "security of supply" I am going to have to admit defeat - or go back to Porsches, Lambos, Astons - basically anything that uses standard tyressmile

Thanks for the comments!
The problem with R888s is that they are not designed for general road use really. Absolutely fine for the summer months, but I want a tyre that can be used all year round. Take a look at this:

http://marktg.toyotires.com/file/TireStorage.pdf

christer

Original Poster:

2,804 posts

257 months

Friday 8th October 2010
quotequote all
Yeah - I had heard that.......as I say.....I think there are increasingly fewer options to consider - Dunlops, Bridgestones or sell carsmile

Thanks again!

BarryP

586 posts

150 months

Monday 11th November 2013
quotequote all
Nedzilla said:
Put them up on the GTROC forum and im sure they will get snapped up pretty quick providing they are cheaper than hpc's.
He's already got them advertised on there but very few people are now on Dunlops, most have swapped over to Michelin Pilot Sports.

sumo69

2,164 posts

226 months

Wednesday 13th November 2013
quotequote all
I have just put a set of MPSS on mine - 275 front and 305 back.

Anyone know what a recommended pressure is for both road and track (when cold)?

Cheers

David

tsinc

414 posts

158 months

Thursday 14th November 2013
quotequote all
35psi cold front and rear. Apparently removes any bouncyness in them. Have you noticed a difference from RFs straight away? I'm looking to change soon from Bridgestones that seem hard as nails!

deeps

5,409 posts

247 months

Monday 18th November 2013
quotequote all
35 psi sounds very high, I have run at the standard 29 psi cold in my MPSS (standard sizes) and the tyres have worn perfectly across the tread and handled great.


deeps

5,409 posts

247 months

Monday 18th November 2013
quotequote all
Christer, why don't you go for the MPSS (Michelin Pilot Super Sports) ?

I wouldn't pay the 2.2k the NHPC wanted for Dunlop's either, so fitted a set of MPSS and they've lasted 13k miles so far (original Dunlops lasted 8k) and still have 1mm of legal tread remaining that I can't seem to kill smile

I've decided though that I'm going back to RF's next, as although the MPSS handle great. are half the price and last far longer, the ride is a bit too 'normal' and comfortable for me, and I prefer a harsher ride. So I'll be trying the Bridgestone RF's which are far cheaper than the Dunlops, but a couple hundred more than the MPSS.

But if a harsh ride isn't important to you the MPSS are a no brainer IMO. smile

I carry a Dynaplug for the rarity of a puncture, and have tyre insurance and recovery for £50, but won't bother with that when I go back to RF's.

The only other plus side of RF's is the extremely remote chance of a high speed blow out, but the risk is extremely small.

don logan

3,549 posts

228 months

Monday 18th November 2013
quotequote all
Take a look at Yokohame AD08

Dynamic Turtle

112 posts

154 months

Thursday 28th November 2013
quotequote all
Bloody hell and I thought £200 quid a corner was painful...

To the OP, remember that time when you were driving too fast, had to brake suddenly to avoid the gramps pulling out of the junction suddenly? Remember how you managed to grind to a halt 6 inches short of his Yaris? All down to the fact you were running the correct tyres?

Yeah, they might be a few hundred quid more but they could save you a lot more in the long term.

Patronising post over :-)

DT

crazy about cars

4,454 posts

175 months

Thursday 28th November 2013
quotequote all
The non run flat choice would be MPSS (Michelin Pilot Super Sports). I now run 275/305 and noticed massive improvements in comfort and wet grip. I paid around £1300 fitting included for a set.

You can source OEM Dunlop from elsewhere but prices are about the same.

Head over to gtroc.co.uk for more in for.

sumo69

2,164 posts

226 months

Thursday 28th November 2013
quotequote all
crazy about cars said:
The non run flat choice would be MPSS (Michelin Pilot Super Sports). I now run 275/305 and noticed massive improvements in comfort and wet grip. I paid around £1300 fitting included for a set.

You can source OEM Dunlop from elsewhere but prices are about the same.

Head over to gtroc.co.uk for more in for.
What pressures are you running for day to say use?


Nedzilla

2,439 posts

180 months

Friday 29th November 2013
quotequote all
sumo69 said:
crazy about cars said:
The non run flat choice would be MPSS (Michelin Pilot Super Sports). I now run 275/305 and noticed massive improvements in comfort and wet grip. I paid around £1300 fitting included for a set.

You can source OEM Dunlop from elsewhere but prices are about the same.

Head over to gtroc.co.uk for more in for.
What pressures are you running for day to say use?
I run the same mpss set up on my GTR. People tend to run between 30-35psi cold for road use. Some people find them a bit bouncy at 30psi when pushing on as obviously they are not as stiff as the oe runflats yet others prefer the extra comfort at the lower pressure. I did mine the other day at 33psi as the pressures can drop a bit with the cold weather (normal air fill).