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Thread: Tyre load ratings.

  1. #1
    Regular Member Hyperhart's Avatar
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    Vehicle : Astra GTC VXR

    Trim : VXR

    Engine : 2.0t

    Year : 2013

    Default Tyre load ratings.

    Just seeing what peoples thoughts are on tyre ratings.

    As i'm now having problems with the tyre fouling the inside arch i've been looking at tyres when i need to replace them.
    Size at the moment is 235/35/19 with a load rating of 91 but was thinking of going for 225/35/19 but the load rating is 88.
    After some really good comments i will be going for some Neuton NT5000 and both these sizes are available at a very reasonable price.

    Will a load rating of 88 be too low on a GSi.

    Thanks people.

  2. #2
    Regular Member Grimy's Avatar
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    I would say so yes, way too low. You should by on extra load tyres at that size and with the big heavy steel v6. I looked into the same thing when choosing mine a while back and from memory I think you should have a min of 91 possibly higher.

    Looking back, Vauxhall fitted 95 as standard on the gsi so i read.
    Last edited by Grimy; 13th December 2010 at 20:34.

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    Regular Member Jezzy's Avatar
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    88 allows for 560 kg per tyre, or 2240 kg for the car. You need to know the max gross weight of the car (i.e. including passengers and luggage) and then add on 25% to account for extra loads put on one or two tyres during braking or cornering. If that figure exceeds 2240 kg then 88 isn't high enough.

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    To be on the safe side I would never fit a tyre that had a lower load (or speed) rating than what was originally fitted when new.

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    To be on the safe side I would never fit a tyre that had a lower load (or speed) rating than what was originally fitted when new. No niggling doubts that way.

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    Regular Member wardy's Avatar
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    235/35 is the correct size for 19s on the vec. So why are they catching? Have you lowered the car (too much)? Don't think the tyre size is the problem.

  7. #7
    Regular Member Hyperhart's Avatar
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    Vehicle : Astra GTC VXR

    Trim : VXR

    Engine : 2.0t

    Year : 2013

    Default

    Quote Originally Posted by wardy View Post
    235/35 is the correct size for 19s on the vec. So why are they catching? Have you lowered the car (too much)? Don't think the tyre size is the problem.
    Yeah, lowered 45mm (or 30mm as GSi) on PI springs. Only seems to be rubbing on the nearside.
    Got some 5mm spacers to see if that helps.

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