15" tyres

First topic message reminder :

Does anyone on here have 15" tyres on their van?
Are you plated at 3200 or 3500?

KSH wrote:

70 in the front? now that I would say is too much
What does the calculator I posted say for your weights?

15" wheels on A class vans with drop down beds! I'll bet Mick has it right

KSH wrote:

Have a play about with the pressure calculator I posted on here Bob
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Thanks for that Ken, sent Cotinental an emai asking correct Psi as Fiat and Swift handbooks both state over the max limit of tyres fitted. This states around what I thought

What do the handbooks and calculator give you?

5.0 bar front and 5.5bar rear the tyres state 69psi max


Not just me had problems but better to know correct pressure.

maybe they're not the original tyres?

Techno100 wrote:

KSH wrote:

70 in the front? now that I would say is too much
What does the calculator I posted say for your weights?

15" wheels on A class vans with drop down beds! I'll bet Mick has it right

Just had a play about with figures in the calculator, and to get to 70 psi on the front, assuming they are 109 rated, the front axle would need to be at 1800kg

SandJ wrote:

5.0 bar front and 5.5bar rear the tyres state 69psi max


Not just me had problems but better to know correct pressure.

I didn't find Continental very informative, unlike Michelin and Pirelli who were both VERY helpful

I guess that is possible

Mine is 1920 at the front without a bed

Techno100 wrote:

I guess that is possible

Mine is 1920 at the front without a bed

Geez, you'll need twins on soon

No I have 16" wheels and a limit of 2200kg on the front.
3 litre auto is a fair lump

whistlinggypsy wrote:

And I did not say she had that pressure I simply said 80 psi was to high for a m/h and I have 4 tyres on the rear

Bob, heres part of the email from Michelin

Quote :

Dear Mr Hacking



Thank you for your enquiry about tyres for your motorhome.



The Michelin Agilis Camping tyre is designed especially for motorhomes and would be the preferred fitment as it has the capacity to take the higher pressure of 80psi.

This is due to the construction of the tyre with 2 casing plies enabling the use of higher pressures. Its construction and the use of higher pressures is designed to cope with continual heavy loads sometimes found on Motorhomes and can help with wear pattern issues if lower pressures are used particularly on the rear axle.

I knew that, it says 80 psi on the tyre wall but you would only put 80 psi in if you were close to it's max payload.

Techno100 wrote:

maybe they're not the original tyres?

Brand new direct and not the only person asking it

Ken

This is handbook

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Page 8
1850kg front
2000kg rear


Which should mean it can be uprated from 3500 but what extra is needed?

Just send SVTech an email or give them a call, they are very helpful, they will tell you straight away what is needed
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KSH wrote:

Just send SVTech an email or give them a call, they are very helpful, they will tell you straight away what is needed
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I have already sent it Ken that is what I am awaiting a reply on

I was over there today, could have geed them up for ya :-)

Just speak to Steve Heap

Ken, Andy I had a speedy reply and have sent off the forms should have reply soon.

Reply from Continental

Hello Steve
based on the 215/70 R15CP 109R ContiVancoCamper and your axle weights the
inflation pressures are:


Front: 4.25 Bar
Rear: 5.5 bar

The 69 psi on the tyre is a marking for the North American market but in
some circumstances the inflation pressure may be higher.

Ignore the pressures as that is not of concern

Now the final sentence does have me confused!!!!

That's another reason why I use Michelin lol

Techno100 wrote:

That's another reason why I use Michelin lol

Why. ..? Michelin are crap tyres for a m/h always have been always will be .

Yes Barb LOL

SandJ wrote:

Reply from Continental

Hello Steve
based on the 215/70 R15CP 109R ContiVancoCamper and your axle weights the
inflation pressures are:


Front: 4.25 Bar
Rear: 5.5 bar

The 69 psi on the tyre is a marking for the North American market but in
some circumstances the inflation pressure may be higher.

Ignore the pressures as that is not of concern

Now the final sentence does have me confused!!!!

It is the part in red that confuses me, I have re read my post and this should clarify which part worries me.
Continental tyres I have used on numerous vehicles and have had good wear and mileage from them

Yes it confuses me too and I don't like ambiguity.
Mine are rated to 80 psi all over the world and I've not had a problem of any kind and great mileage. Yes they're a few quid more but to just say they're rubbish is nonsense.

Steve, I don't know much about tyres and pressures but Northern America - isn't that Alaska et al? Perhaps the altitude has something to do with why they are rated at 69 psi

Tugga wrote:

Steve, I don't know much about tyres and pressures but Northern America - isn't that Alaska et al? Perhaps the altitude has something to do with why they are rated at 69 psi

Could be Cheryl but still confusing I have put the rear to 5.5bar 79psi as instructed by the experts.

Airride fitted Tuesday so I wonder what the ride will be like then?

Lets hope its smoother Steve.

SandJ wrote:

Tugga wrote:

Steve, I don't know much about tyres and pressures but Northern America - isn't that Alaska et al? Perhaps the altitude has something to do with why they are rated at 69 psi

Could be Cheryl but still confusing I have put the rear to 5.5bar 79psi as instructed by the experts.

Airride fitted Tuesday so I wonder what the ride will be like then?

Had air ride fitted 2 years ago by as warrington best thing we have had fitted the ride is lot better no suspension banging when you hit bumps we had small compresor fited we can now lift each side helps with leveling a bit

Have you not heard owt yet Steve?
They were very quick with mine

Our van 3850 kg fully laden pay load 585 kg front axe 1850 kg rear 2120 on inners door post tyre presure 79psi front and rear have checked today as bean reding this tread and some would say this may be to high but as our van is close to max weight all the time they should be set at 79 psi as recomended by manafactor tyres 215 75 16c

KSH wrote:

Have you not heard owt yet Steve?
They were very quick with mine

Not over weight adjust yet

Couple I sold ASH to had him down plated to 3500kg so his wife could drive it.
What a waste

Techno100 wrote:

Couple I sold ASH to had him down plated to 3500kg so his wife could drive it.
What a waste

I can see that happening a lot in a few years time, people just won't have the right license to drive them and will want vans 3500 and under, not everyone will want to go through another driving test

Well we can go to 3850 if we get Airride wich we have so all can be done. We can go higher on rear if we fit new tyres but does it justify the cost?

Steve

Better weighing the axles before you pay Steve, just to make sure you are Ok with the axle weights you have now.
I could go to 2000kg with air ride fitted but I'd never get tyres for that without a lot of hassle so I just kept mine at 1900