Omega Owners Forum

Omega Help Area => Omega General Help => Topic started by: rdv on 06 December 2007, 10:02:12

Title: alloy wheel pcd
Post by: rdv on 06 December 2007, 10:02:12
Website guides to alloy wheel fitments all list the Omega as 5x 110. The MIM alloys on mine are marked ET 40  PCD 108 so presumably the published guides are wrong?
Title: Re: alloy wheel pcd
Post by: Jay w on 06 December 2007, 22:11:15
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Website guides to alloy wheel fitments all list the Omega as 5x 110. The MIM alloys on mine are marked ET 40  PCD 108 so presumably the published guides are wrong?

nope, Omega, like Zafira, Astra and Cav 5 stud are 5x110 PCD.


Title: Re: alloy wheel pcd
Post by: Entwood on 06 December 2007, 22:32:40
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Website guides to alloy wheel fitments all list the Omega as 5x 110. The MIM alloys on mine are marked ET 40  PCD 108 so presumably the published guides are wrong?


Because yours are different to the guides the guides are wrong ??? Odd point if view IMHO ... is it not more likely someone has put the wrong wheels on your motor? Probably for cosmetic reasons .....

:)
Title: Re: alloy wheel pcd
Post by: rdv on 08 December 2007, 13:35:36
Solved it. Yes the Omega wheels are 110 PCD and the MIM alloys on mine are 108 PCD. I did'nt realise that it was possible to fit these wheels using bolts specifically designed for just this purpose.
Title: Re: alloy wheel pcd
Post by: Andy B on 08 December 2007, 13:48:41
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Solved it. Yes the Omega wheels are 110 PCD and the MIM alloys on mine are 108 PCD. I did'nt realise that it was possible to fit these wheels using bolts specifically designed for just this purpose.

Wobble headed bolts. It means that your wheels are located centrally using the centre of the wheel only.  :-/
Title: Re: alloy wheel pcd
Post by: rdv on 08 December 2007, 14:04:07
Yes, the wheels have a reducer fitted to give the correct centre bore of 65.1 mm but I've never seen these bolts before and from the lack of response to the original post I guess not many members have.
Title: Re: alloy wheel pcd
Post by: Danny on 08 December 2007, 14:20:11
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Yes, the wheels have a reducer fitted to give the correct centre bore of 65.1 mm but I've never seen these bolts before and from the lack of response to the original post I guess not many members have.

cos its always safer to use the original wheel fitment, and gives greater peace of mind :D
Title: Re: alloy wheel pcd
Post by: Andy B on 08 December 2007, 14:21:08
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Yes, the wheels have a reducer fitted to give the correct centre bore of 65.1 mm but I've never seen these bolts before and from the lack of response to the original post I guess not many members have.

I'd heard of them but only saw them in the flesh very recently, coincidently on an Omega with aftermarkert alloys fitted. There's certainly one member here who isn't a fan of them. ;)
Title: Re: alloy wheel pcd
Post by: rdv on 08 December 2007, 14:30:03
Cant really see a problem with them as wheels should always rely on the hub to centre them anyway. I have come across cars where the wheel centre bore does not match the hub and therefore they are relying on the bolts to centre them. This usually causes vibration and with the whole load being taken on the bolts is not a great idea
Title: Re: alloy wheel pcd
Post by: Andy B on 08 December 2007, 14:33:25
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....... I have come across cars where the wheel centre bore does not match the hub and therefore they are relying on the bolts to centre them. This usually causes vibration and with the whole load being taken on the bolts is not a great idea

My caravan wheels are like that. No problems so far though.
Title: Re: alloy wheel pcd
Post by: rdv on 08 December 2007, 14:37:35
You might not notice vibration from the 'van unless you were riding in it
Title: Re: alloy wheel pcd
Post by: Andy B on 08 December 2007, 14:39:07
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You might not notice vibration from the 'van unless you were riding in it

True! But I'll never know as SWMBO won't tow.  ;D
Title: Re: alloy wheel pcd
Post by: rdv on 08 December 2007, 14:44:03
No problem there then :)