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Author Topic: Tyre construction ( bit boring! and pic heavy )  (Read 12136 times)

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feeutfo

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Re: Tyre construction ( bit boring! and pic heavy )
« Reply #120 on: 28 December 2012, 10:57:51 »

....and let's face it, GM's engineering is hardly faultless either.
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Re: Tyre construction ( bit boring! and pic heavy )
« Reply #121 on: 28 December 2012, 11:04:35 »

....and let's face it, GM's engineering is hardly faultless either.
Oh, indeed, yes, couldn't agree more.
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feeutfo

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Re: Tyre construction ( bit boring! and pic heavy )
« Reply #122 on: 28 December 2012, 11:10:24 »

If gm had tested an 18" tyre, maybe.

The only evidence we have of a tested 18" tyre has not been taken into account by either of us.

By coincidence, the one I bought is the correct type, and behaves well.

The one you bought is not to spec and misbehaves.
I had wondered if rim size would make a difference. But GM specifiy that for all the (standard - 15,16,17) sizes.

Irrespective of the rim size, if it is purely on weight and calculated forces, that will not vary with rim size.


I think you just happened to stumble upon a tyre that worked well on the car. Same as I did with the Rover...  ...I strayed to other brands, supposedly superior, only to end in a poorer tyre.

I'm sure somebody said that earlier, let me check... Oh yes, it was me. ;D happened to be the correct one too. ::)
I do fail to see how Irmscher feel they can specify a tyre that doesn't meet GM's spec. But then, our experience of Irmscher's engineering..... ;)
do gm produce an 18?
all on gay wheel drives in uk no doubt...?
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05omegav6

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Re: Tyre construction ( bit boring! and pic heavy )
« Reply #123 on: 28 December 2012, 11:41:11 »

Nothing in the Insignia Specs, come with 18" and 19" as standard on Elite and VXR, with 20" optional :-\

Is it summat that TIS might shed some light on :-\
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feeutfo

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Re: Tyre construction ( bit boring! and pic heavy )
« Reply #124 on: 28 December 2012, 14:35:46 »

I wonder... ::) TIS does seem to have a lot of answers, he did mention TIS didn't he. ::)

Does TIS specify anything? I do wonder you know...  About TIS.

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05omegav6

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Re: Tyre construction ( bit boring! and pic heavy )
« Reply #125 on: 28 December 2012, 16:48:18 »

Perhaps the resident Insignia Owner can shed some light :-\ Ought to be summat useful in the Owners Manual given that the grotbox is a similar size and weight to the Omega ...
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Re: Tyre construction ( bit boring! and pic heavy )
« Reply #126 on: 28 December 2012, 16:56:36 »

Perhaps the resident Insignia Owner can shed some light :-\ Ought to be summat useful in the Owners Manual given that the grotbox is a similar size and weight to the Omega ...

Did someone mention custard ? ::)
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05omegav6

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Re: Tyre construction ( bit boring! and pic heavy )
« Reply #127 on: 28 December 2012, 17:03:46 »

Ah ha, there you are :y

Does your owners manual say owt about suitable tyres and their respective load ratings for the various wheel sizes, specifically 18", 19" and 20"... :y
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Re: Tyre construction ( bit boring! and pic heavy )
« Reply #128 on: 28 December 2012, 17:05:06 »

Ah ha, there you are :y

Does your owners manual say owt about suitable tyres and their respective load ratings for the various wheel sizes, specifically 18", 19" and 20"... :y

It's in the car, will dig it out in a bit :y
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Re: Tyre construction ( bit boring! and pic heavy )
« Reply #129 on: 28 December 2012, 17:15:24 »

Ah ha, there you are :y

Does your owners manual say owt about suitable tyres and their respective load ratings for the various wheel sizes, specifically 18", 19" and 20"... :y

No.
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05omegav6

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Re: Tyre construction ( bit boring! and pic heavy )
« Reply #130 on: 28 December 2012, 17:27:45 »

Surprised face on.

Bugger.

Surprised face off.

Thanks for looking :y
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Re: Tyre construction ( bit boring! and pic heavy )
« Reply #131 on: 28 December 2012, 17:28:51 »

Surprised face on.

Bugger.

Surprised face off.

Thanks for looking :y

It was a pleasure :y
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Re: Tyre construction ( bit boring! and pic heavy )
« Reply #132 on: 28 December 2012, 18:11:42 »

Ah ha, there you are :y

Does your owners manual say owt about suitable tyres and their respective load ratings for the various wheel sizes, specifically 18", 19" and 20"... :y
I fail to see why the load rating should vary with rim size  :-\
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05omegav6

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Re: Tyre construction ( bit boring! and pic heavy )
« Reply #133 on: 28 December 2012, 18:18:56 »

I agree, the Runways I buy are all 97W XL regardless of size. Lateral forces are the dictating factor, and they don't reduce by changing the wheels...

Tunnie might get away with lower rated tyres, but I suspect the rest of us would probably be have a blowout a week if we're lucky :-\
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feeutfo

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Re: Tyre construction ( bit boring! and pic heavy )
« Reply #134 on: 28 December 2012, 19:35:56 »

Are wheels in motion still a member here?

I was going to pm Tony a link, but couldnt find them in the member search.
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