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Tyre speed rating

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McGuire:
 In Europe (over there) the speed rating of the tyre MUST match, or exceed, the top speed of the vehicle.
 Over here, the vehicle must not exceed the speed rating of the tyre.
 So, over here, the rating of the tyre does not have to match the top speed of the vehicle, as long as the vehicle doesn't exceed the tyre's speed rating.
 

Saffy:

--- Quote from: McGuire on December 10, 2009, 18:42:01 --- In Europe (over there) the speed rating of the tyre MUST match, or exceed, the top speed of the vehicle.
 Over here, the vehicle must not exceed the speed rating of the tyre.
 So, over here, the rating of the tyre does not have to match the top speed of the vehicle, as long as the vehicle doesn't exceed the tyre's speed rating.
 

--- End quote ---

that's the way I understand the situation to be too.

dxmedia:
I'll retract my initial post then ;) Thought that was EU wide.... give it couple of years then...

Range Rover Blues:
Striclty speaking, if the manufacturer says it has to have a tyre confroming to a certain standard, then it has to have it.

Later RR have a note in the handbvook that if certain types of tyre are fitted with lower speed ratings then the maximum speed of the vehicle must not exceed the speed rating of the tyre, the vehicle has been tested on these tyres and homologated to use them.

glaggs:
To quote the brochure for the new BF Goodrich (Michelin) Mud Terrain T/A km2 :-

" When fitting lower speed rated tyres than the origional tyres, vehicle handling may be different, and the tyres speed rating must be respected."

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