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8 & 10 cyl Bristol cars Type 407 onwards - restoration, repair, maintenance etc

Wheels and Tyres questions: planning for replacements

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  #21 (permalink)  
Old 06-08-24, 11:34 PM
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Now that I have fitted power steering to my 408 (huge improvement), I am once again turning my thoughts to wider wheel rims and tyres.

Yes, MB and Audi and VW use 5x112 pcd wheels that would fit except the front hubs of the 408 Mk1 are too big for the centre hole!!!!!!!! I can only assume the 409 and later hubs are smaller!!!!! IIRC, my hubs require wheels with a center bore of 72.3mm. I would really prefer 15 or 16 inch steel wheels but does anybody know of anything that will fit?

Thanks
David
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  #22 (permalink)  
Old 07-08-24, 06:40 AM
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Default 410 wheels

Hi David
I changed to graphite coloured Jaguar XJS lattice alloys on my 410. The change necessitated drilling out and re-tapping the jaguar wheel nuts as they are a different thread to the Bristol.
I am running 205.70.15 tyres on these rims. I have now driven about 4,000 miles with the 'new' wheels and tyres and have been very pleased with the performance and the looks. Many people have commented on how well they suit the car
Hope this helps
ATB
Andrew
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  #23 (permalink)  
Old 07-08-24, 08:28 AM
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Thanks, Andrew. Those wheels would look great but I am afraid they wouldn't fit my car.

Looking at the parts book there are hub changes between models. The front hub parts are different and I think the evolution may have been but stand to be corrected:

408 5x112 PCD and 72.3mm cap diameter,
409 5x112 PCD but a smaller cap diameter (thus MB wheels fit)
410 5x120 PCD like Jaguar.

In any case, my search continues.

Thanks again.

David
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  #24 (permalink)  
Old 07-08-24, 08:51 AM
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Hi David
Have you considered hub centric adapters? These would enable you to use 5 x 120 pcd wheels
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Old 07-08-24, 09:37 AM
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Andrew, thanks. I did look at that but not in depth. I will look again but the challenge is finding one that will not just change the bolt pattern but also allow fitting a smaller centre bore wheel without the adapter pushing the offset too far out and affecting steering.

David
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  #26 (permalink)  
Old 07-08-24, 09:37 AM
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Quote:
Originally Posted by Sam410 View Post
I have a spare set of 411 wheels, but I don't think they fit a 410 without changing the hubs also.
Just for the record, no, they do fit. PEU186F, the 410 I owned for quite a number of years, came to me with 411 wheels on the original hubs. But she did need a longer clamping bolt making up for the spare as the original was just that bit too short to be practical.

411 wheels allow one to choose from a wide range of modern SUV tyres. Modern tyres are required to meet EU noise requirements and are markedly quieter on the road whilst offering sharper handling.

I believe her subsequent curator has upgraded to Jaguar wheels
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