is it legal to have a different load index on 2 tyres? - HotUKDeals
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is it legal to have a different load index on 2 tyres?

pyromania Avatar
banned5y, 7m agoPosted 5 years, 7 months ago
bought 2 michelin tyres -

195 55 15 87v
and
195 55 15 91v

guy i bought them from said this is perfectly fine to fit to the car.........is this correct?
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pyromania Avatar
banned5y, 7m agoPosted 5 years, 7 months ago
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#1
Isn't this the load they can take?
#2
Speed rating is the letter, load rating is the number.

Personally, I think it would be fine. :D
#3
Guess it would depend on the rating the car should have, they could both be wrong for all we know.

I'd go on one of the tyre sites where you put the reg in and it gives you the tyre required, if the load rating is above that then it should be fine.

Edited By: greg_68 on May 04, 2011 12:40
banned#4
car came with 87v

i wanted to keep it the same kinda tyre on it.

speed rating may scupper this
#5
It will be fine, unless you drive a mini? Then its probably best if you replace all 4 tyres and front & back brakes to be safe.
#6
why two different tyres, are they part worns?
banned#7
splat - 207 sport mate

greg, yea part worn. they cost over 100 quid new but have 5.5mm on them
#8
Basically what you have is:

the 87V are Load rated at 545kg @ 149mph
the 91V are Load rated at 615kg @ 149mph

So its not a case of legality as the rolling road of the tyres makes no difference as they are the same size.

As long as they are within the tolerances for your vehicle then there should be no issue in regards to safety.
#9
As far as I know you cant pass an mot with different load ratings on the same axle. I used to mot years ago but I have a peanut for a brain.
#10
gavjbrown
As far as I know you cant pass an mot with different load ratings on the same axle. I used to mot years ago but I have a peanut for a brain.



MOT Regs on Tyre Inspections

Only Class 5 & 7 are inspected for Load ratings it would appear.

Edited By: Celticsun on May 04, 2011 12:47
banned#11
Celticsun
gavjbrown
As far as I know you cant pass an mot with different load ratings on the same axle. I used to mot years ago but I have a peanut for a brain.



MOT Regs on Tyre Inspections

Only Class 5 & 7 are inspected for Load ratings it would appear.


how do i find out my class?

sorry for asking all the questions lol

i put 2 goodyears on the front n right away braking at 40mph or more i feel the shudder in the sterring wheel, garage said it could be the wheels

Edited By: pyromania on May 04, 2011 12:54
#12
Celticsun
gavjbrown
As far as I know you cant pass an mot with different load ratings on the same axle. I used to mot years ago but I have a peanut for a brain.



MOT Regs on Tyre Inspections

Only Class 5 & 7 are inspected for Load ratings it would appear.


Yes, youre right. Just about to reply with the same.
#13
in short, this is legal! (_;)
#14
pyromania
Celticsun
gavjbrown
As far as I know you cant pass an mot with different load ratings on the same axle. I used to mot years ago but I have a peanut for a brain.



MOT Regs on Tyre Inspections

Only Class 5 & 7 are inspected for Load ratings it would appear.


how do i find out my class?

sorry for asking all the questions lol

i put 2 bridgestones on the front n right away braking at 40mph or more i feel the shudder in the sterring wheel, garage said it could be the wheels


A Car is generally a class 4.

The shudder could be numerous things.

Poor Balance, warped rims or just a bad tyre, both don't have to be bad to cause a shudder it could have been one side.

It could even have been a warped brake disc or sticky caliper.
banned#15
Celticsun
pyromania
Celticsun
gavjbrown
As far as I know you cant pass an mot with different load ratings on the same axle. I used to mot years ago but I have a peanut for a brain.



MOT Regs on Tyre Inspections

Only Class 5 & 7 are inspected for Load ratings it would appear.


how do i find out my class?

sorry for asking all the questions lol

i put 2 bridgestones on the front n right away braking at 40mph or more i feel the shudder in the sterring wheel, garage said it could be the wheels


A Car is generally a class 4.

The shudder could be numerous things.

Poor Balance, warped rims or just a bad tyre, both don't have to be bad to cause a shudder it could have been one side.

It could even have been a warped brake disc or sticky caliper.


it passed its MOT the day i got them changed aswell lol

i assume its the tyres
#16
its legal.

but i would not do it cross axle... in fact i would not mix any tyres cross axle...

in fact... I would not use part worns!


Edited By: RickT on May 04, 2011 15:27: edit
#17
RickT
its legal.

but i would not do it cross axle... in fact i would not mix any tyres cross axle...

in fact... I would not use part worns!




Should make no difference as the original tyres on the car are a lower load rating tread pattern and rolling road identical so in theory these would be less likely to blow out at 149mph (haha)

I agree though its good practice to keep matching pairs per axle.

Agreed on the part worns though never been a fan.

Remoulds, Part Worns & Budgets all also known as Ditch Finders

Edited By: Celticsun on May 04, 2011 16:27
#18
Celticsun


Remoulds, Part Worns & Budgets all also known as Ditch Finders


They sure are..!

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