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Thread: Tyres / wheels... a few questions

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    Regular Member th3sundanc3kid's Avatar
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    Default Tyres / wheels... a few questions

    Hi Chaps,

    Got a couple of questions:

    1) I'm intending on checking my tyre pressure, the car is new so I'm not sure what it should be set to, and to be honest I'm struggling to tell from the manual. I've been on a few sites that ask you to put in your number plate and they tell you what the psi should be, example below:

    http://www.kwik-fit.com/tyre-pressure-search.asp

    They all tell me they should be 41 psi, does that sound about right? ('04 Vectra 1.9 CDTi SRi 150)

    2) I'll be looking at getting some new wheels / tyres soon, current wheels are 17", will 18" and 19" fit ok on the Vectra? Will be probably be looking at 18".

    Also regarding tyre sizes, I'm under the impression 225/40/18 or 235/40/18 would be about the right tyres to go for on 18", is this right? And would both of those sizes be ok?

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    Regular Member RobertHayman's Avatar
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    Vehicle : Insignia

    Trim : Elite

    Engine : 2.0 CDTI auto

    Year : 63

    Mileage : 8,500

    Default Tyre Pressures

    For mine straight out the manual.
    2008 Hatchback 1.9cdti 150 on 215/50 R17

    Front and Rear 33psi. upto 3 people

    Front and Rear 38psi Eco upto 3 people (Less rolling resistance, less fuel used)

    Front 35psi Rear 42psi Fully loaded

    Not far from you (Sidmouth)

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    Regular Member Hyperhart's Avatar
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    Vehicle : Astra GTC VXR

    Trim : VXR

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    Year : 2013

    Default

    You can fit upto 20" wheels on to a Vectra no problem so the sizes you mention will go on no sweat. As for tyres sizes for 18's thats about right.

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    Regular Member th3sundanc3kid's Avatar
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    Default

    Thanks for the replies guys.

    Having taken another look at the manual it seems to make more sense this morning, I think this is what I should be looking at:



    Sidmouth eh, you're just down the road!

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    Regular Member john_k_sri's Avatar
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    Vehicle : Insignia Grand Sport

    Trim : DESIGN

    Engine : 1.5T (165)

    Year : 2018

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    Default

    Kwik fit tyre pressures are BS.

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    On a Sabbatical
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    If you want bigger wheels go for 18s, loads on here have 19 inch snowflakes, and from what I have read they are very easily damaged because the tyre is so thin, and also they tram line like hell. Have seen a few people trtying to sell 19s to go back to 17 inch wheels. You may be better just looking for a set of 17s that you like better than the standard SRi alloys. TBH I think 17 is big enough looking on a Veccy.

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    Regular Member paul_sri150's Avatar
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    i have 38 in front and 39 in rear on my 19's

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    Regular Member Big Sig's Avatar
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    Default

    Quote Originally Posted by WilliamLX View Post
    If you want bigger wheels go for 18s, loads on here have 19 inch snowflakes, and from what I have read they are very easily damaged because the tyre is so thin, and also they tram line like hell. Have seen a few people trtying to sell 19s to go back to 17 inch wheels. You may be better just looking for a set of 17s that you like better than the standard SRi alloys. TBH I think 17 is big enough looking on a Veccy.
    Mostly agree. 18's are a good compromise is size and comfort.

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