Got this info out of streetdreams.org
Bolt Pattern: 5x112
Center Bore: 57.1
Hardware:14x1.50 Bolt
Offset: 34-42mm
Does it mean that any 18x8 with offset 34 - 42 will fit just fine without rubbing on hard cornering?
so the bigger the offset, the less likely it will rub? eg: ET45 VS ET35
The bigger the offset the further inwards the wheel will sit (compared to the same size wheel with a lower offset).
I.E. an ET35 will sit 10mm further out than an ET45 of the same wheel.
I wouldn't go over an 8.5 wide and ET45 if you can get away with it as it goes reasonably close to the suspension components.
I've been looking at wheel options, can't find much in 19" but a few possibilities in 20" which of course means skinny tyres (profile), not something I'm too keen on.
Using the following website ( Tire Size Calculator - tire & wheel plus sizing ) I understand I should be looking at 35 profile tyres but can probably get away with 40 as its close to 3% difference. My question is can I get away with 45 profile or is this just a crazy idea?
Yes the speedo will be out by quite a bit, can this be fixed? Is it worth it? Yes I will add quite a bit of weight at each corner, is this really bad? Can the standard brakes and 4motion cope? Will it rub? Any other issues I've missed?
Haven't decided on anything yet just looking at options. Can settle for 20" and 40 profile but don't want to go lower. I'm looking at different rims at 20"x8.5", tyres 255/40R20 or 255/45R20, offset 35-40.
Please feel free to call me a noob and blast my idea out of the water, just tell me why
Last edited by Tigman; 06-06-2011 at 05:05 PM. Reason: clarity
Why skinny tyres? 255/35/20 or 245/35/20 are a perfect fit, are easily available and both within 1% of standard. 255s are almost spot on from memory.
2008 VRS Wagon. Yellow, very yellow!
Forever blowing bubbles.
It's the profile that's skinny and my concern not the width, sorry if not clear.
It's the space-saver spare that's skinny! Wonder how well tiggy would corner with 4 of them on !?!?
Current: MY18 TRANSPORTER CrewVan, Indium Grey
Previous: MY10 Tiguan 2.0TSI, Silver Leaf, APR StgII tune + many mod's
Just remember that in order to keep the same overall diameter as standard, even if you go narrower to gain a higher profile, the overall sidewall height is still the same (profile represents a percentage of the width) E.g. 255mm/35%=89.25mm sidewall, 225mm/40%=90mm sidewall, this means you will feel little or no difference in the comfort level. You will find with a wide tyre like a 255/35 that because of the width and sidewall height the ride is nothing like say a 205/35 (71mm sidewall) for example, which would be hard as a rock. So going off profile alone doesn't tell the whole story.
2008 VRS Wagon. Yellow, very yellow!
Forever blowing bubbles.
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