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Jun 22, 2014 23:13:36 GMT
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So I have a seat Ibiza cupra mk3 turbo which is 4x100 stud pattern.
Admittedly there is a good choice of wheel available but everything I really fancy is 5x100.
I've seen plenty of hub adaptors for sale that convert from one to another and I've even contemplated a hub swap out using polo/Fabia parts but the adaptors seem the easiest option.
I don't use the car in anger but I want them too be 100% safe as the other half regularly drives it also.
I'm intrigued to know what happens with the wheel studs/bolts? My thoughts were that you bolt the 4x100 part of the adaptor up to your existing hub using countersunk Allen bolts and then the 5x100 is studded out and the wheel bolts to that but I've seen them where the 5x100 is threaded and they use one of the 4x100 studs to hold them on?
Other conversions seem to be a nut and stud converter style with say 25mm into the 5x100 stud and then bolt through.
Just wanting opinions, in no rush to do this at all.
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stealthstylz
Club Retro Rides Member
Posts: 14,832
Club RR Member Number: 174
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Never had a problem with any of them and I give cars serious abuse.
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VIP
South East
Posts: 8,293
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Anyone here make PCD adapters ? I'm after a set for my quad to convert from 4x85 to 4x101.6 (4") or possibly 4x100 so I can fit road wheels & tyres for making legal and registering.
Paul h
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Jun 23, 2014 12:07:27 GMT
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Don't forget that running adapters will push the wheels further out, so you need to pay particular attention to the offset (et) or you could get some poke arch contact. I run a caddy van which is very similar front end wise to you Ibiza and there does not seem to be loads of room width wise, that's why I am drawing your attention to the et thing.
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Jul 18, 2014 21:58:34 GMT
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Hi all, thanks for the replies and apologies for the delay in replying. So all sounds pretty good. I think I may have resolved the issue with 4x100 alloys for now but well worth considering for the future.
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Jul 18, 2014 22:03:13 GMT
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I would look into using the later hubs like fabia, polo etc, I recall mk3 running gear on a mk2 is fairly common but further than that I don't know any details, I know they're wider.
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Jul 19, 2014 12:30:44 GMT
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Do a hub conversion, easy job and a lot safer
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stealthstylz
Club Retro Rides Member
Posts: 14,832
Club RR Member Number: 174
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Jul 19, 2014 22:53:33 GMT
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How can it be safer than something that's safe?
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Jul 20, 2014 17:49:31 GMT
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By moving the wheels out, you are changing the force applied to different components. This can and often does lead to breaking components
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RobinJI
Posted a lot
"Driven by the irony that only being shackled to the road could ever I be free"
Posts: 2,995
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Jul 20, 2014 19:11:46 GMT
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By moving the wheels out, you are changing the force applied to different components. This can and often does lead to breaking components While what you say makes perfect sense, I'm not so sure about the 'often does' part? I've never heard of anyone actually having issues beyond unwanted steering feedback and premature wheel bearing wear. Obviously some people will take things to extremes, but we're talking about ~25mm spacing on wheels that's offset probably started around 40. People wouldn't bat an eyelid at the idea of fitting et15 wheels, which would place exactly the same loading on everything as an et40 wheel and 25mm adapter. I wouldn't have any safety concerns about running most adapters as long as they're made well. In fact I run 25mm bolt of spacers on my daily that may as well be adapters (they're basically just 4x100 to 4x100 adapters.) They've not flinched at 32 miles of steep back roads every day with a healthy dose of torque through close gearing and decent tyres. Personally I'd say adapters are perfectly safe as long as they're used sensibly (i.e. the final offset's not insane, the material's sensible for the thickness and the bolt holes don't clash.) They are however one more cause for faffing around, and although safe when fitted right, it's one more connection for human error to potentially creep in. Plus they add unsprung weight. Safe yes, ideal no. |
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Last Edit: Jul 20, 2014 19:14:31 GMT by RobinJI
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Jul 21, 2014 16:55:18 GMT
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I agree, but from experience it has contributed to problems/failures. It probably will be fine, but hubs would be a better choice
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Jul 21, 2014 17:04:44 GMT
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Iirc something like the p100 pickup had adapters from the factory.
My bmw has a 15 mm spacer under a 9" wheel, the bearings are fine 10k miles later and they also havent fallen off.
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