MH Weight Uprating Tyre question (1 Viewer)

[Bart]

Further to me talking to John Ruffles regarding uprating our MH , one of the things he said i could do is put bigger tyres on the rear with Air suspension.
My question is , if i change to bigger Tyres , must i also buy bigger Rims for the tyres to fit on ??
or is the inside diameter of the tyre the same?

btw chassis is X250 2007 Fiat based and MH as per Sig

 

[Lorryman100]

Post up the tyre sizes currently fitted on your MoHo. I uprated the rear axle on our MoHo by having air assist fitted and fitting new tyres 225/75x15 with a higher load (112) rating but kept the original 15" rims.

 

[Minxy]

I think John will mean bigger as in higher load rating, not physical size!

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[Lorryman100]

Unfortunately I could not source a 215 width tyre with a load rating higher than 109 so after speaking to Brian&Jo went with the 112 load rating offered by the Michelin with a width of 225.

 

[Lorryman100]

I think John will mean bigger as in higher load rating, not physical size!

Maybe what he means but not what he wrote

My question is , if i change to bigger Tyres , must i also buy bigger Rims for the tyres to fit on ??

 

[ivorantony]

i uprated from 225/65/R16 109 to 235/65R16 121 load rating,
slightly larger rolling diameter, but that n
made the speedometer reading pretty much spot on,
i am much happier with the extra load they can carry if needed, my previous tyres only just meet the potential axel loads so now have tyres working well inside their rating,

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[DuxDeluxe]

Post up the tyre sizes currently fitted on your MoHo. I uprated the rear axle on our MoHo by having air assist fitted and fitting new tyres 225/75x15 with a higher load (112) rating but kept the original 15" rims.

Exactly what I did, plus the air assist at the rear. You don't need to uprate the front tyres

 

[Jaws]

When I did the Miller I was instructed to the effect it would have to have 16" wheels and suitable tyres.. Fortunately it already had them fitted
Oh, and the airbag suspension too, but that was only £230 ( ish ) and I fitted it in next to no time.. ( It had to be a really easy job as I did it on the road when there was snow on the ground ! )

 

[Geo]

When I did the Miller I was instructed to the effect it would have to have 16" wheels and suitable tyres.. Fortunately it already had them fitted
Oh, and the airbag suspension too, but that was only £230 ( ish ) and I fitted it in next to no time.. ( It had to be a really easy job as I did it on the road when there was snow on the ground ! )

Did it in August then

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[Minxy]

@Bart ... why don't you just ask John exactly what he means ...

 

[dave newell]

@Bart ... why don't you just ask John exactly what he means ...

What he means is you may need to fit tyres that are wider and have a higher load rating.

D.

 

[Jaws]

Did it in August then

LOL !!!
Did in January just before shooting off to Spain !

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[Minxy]

What he means is you may need to fit tyres that are wider and have a higher load rating.

D.

That's my thought too Dave, there's no way he'd be advising changing to bigger rims.

 

[Bart]

Sorry for the late replies had a busy day , if i remember ill look at the MH tyre size tomorrow , and yes looking back at the e.mails from John i would say he meant wider tyres, ill contact him again to get the ball rolling as ill have to buy 2 tyres anyways so best to get wider ones and uprate at same time.

BTW can you get Wider Snow and mud tyres with the higher load rating ??

 

[Lenny HB]

If you intend going to France or Spain you will need to buy 5 tyres as tyres on the same axle have to be same type and make. If you have a blowout they will not fit your spare if it does not conform and will make you buy 2 new tyres.

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[Lenny HB]

BTW can you get Wider Snow and mud tyres with the higher load rating ??

Yes, most 4 season M&S tyres do not have the snowflake rating and will not be legal in counties requiring winter tyres from Jan 2018.
If you intend traveling Europe in the winter could be worth fitting winter tyres.

 

[Bart]

If you intend going to France or Spain you will need to buy 5 tyres as tyres on the same axle have to be same type and make. If you have a blowout they will not fit your spare if it does not conform and will make you buy 2 new tyres.

so what you saying i should also change the two front tyres and the spare to 225 width ?

 

[Bart]

Yes, most 4 season M&S tyres do not have the snowflake rating and will not be legal in counties requiring winter tyres from Jan 2018.
If you intend traveling Europe in the winter could be worth fitting winter tyres.

i plan on only visiting warm places , buy having said that are you saying that come next year anyone who wants to go to spain for the good weather in the winter will need "winter tyres" or did i miss understand that Lenny ?

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[TerryL]

For transiting south to Spain etc. in the winter you can avoid having "winter" tyres by avoiding Germany and Austria, who insist on them, and any "mountain" roads elsewhere. If you come across any signs saying snowchains compulsory you'll need to turn back - the police will not let you through. However it's quite possible.

Not long after we bought our M/H I needed to uprate the weight and used SVTech who advised me that I would need air-assist suspension and uprated tyres, which I could only get in a size wider than the standard. I decided then to go the whole hog and fit alloys - Tyresave were very helpful and supplied wheels that would take the wider tyre, although I understand the standard tyres fitted okay too. As we intended to visit German Xmas markets we fitted winter tyres (Conti Vanco 2 Winter). Been running on those all round (the spare has one too, on a standard rim) ever since with absolutely no problem. Plenty of threads about the use of winter tyres.

 

[pappajohn]

so what you saying i should also change the two front tyres and the spare to 225 width ?

Snow chains for the front drive wheels are cheaper than 5 new tyres.

 

[pappajohn]

If you intend going to France or Spain you will need to buy 5 tyres as tyres on the same axle have to be same type and make. If you have a blowout they will not fit your spare if it does not conform and will make you buy 2 new tyres.

The daft thing is most cars today come with an aerosol of gunk or a glorified motorbike spare wheel....space saver....which is about 3 inches wide and legal to use.

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[Bart]

For transiting south to Spain etc. in the winter you can avoid having "winter" tyres by avoiding Germany and Austria, who insist on them, and any "mountain" roads elsewhere. If you come across any signs saying snowchains compulsory you'll need to turn back - the police will not let you through. However it's quite possible.

Not long after we bought our M/H I needed to uprate the weight and used SVTech who advised me that I would need air-assist suspension and uprated tyres, which I could only get in a size wider than the standard. I decided then to go the whole hog and fit alloys - Tyresave were very helpful and supplied wheels that would take the wider tyre, although I understand the standard tyres fitted okay too. As we intended to visit German Xmas markets we fitted winter tyres (Conti Vanco 2 Winter). Been running on those all round (the spare has one too, on a standard rim) ever since with absolutely no problem. Plenty of threads about the use of winter tyres.

I take it i could keep the normal M&S tyres on the front and egt snow chains,, for all the snow i would ever intend to drive in would me minimal ( well i think so atm , but that could change )
Also do you now get a rougher / more noisy ride with winter tyres on all the time when in normal roads and also get less MPG ??

 

[TerryL]

Snow chains go on the driving and steering wheels, i.e. the front in your case although I would always advocate them on all four. Not sure how the police would react to your idea.

The Conti Vanco 2 Winter were actually quieter than the factory-fitted originals (I think they were Michelin but it's been a while now). Can't really tell about the ride, although that is affected of course by tyre pressures and the air-assist makes a noticeable difference too. As for wear, over a couple of sets of tyres I've got 30000 out of the fronts, changed well before the warning bars, and over 50000 from the rears, changed as being out of date but plenty of tread left (note, I tend to do quite a bit above the average mileage). But it depends on how you drive; Jeremy Clarkson can manage nearly 10 miles out of a set of tyres!!!!

 

[Bart]

Jeremy Clarkson can manage nearly 10 miles out of a set of tyres!!!!

Lol Terry

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