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Location:
Madrid - Spain
Registered:
August 2002
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Re: FWD offsets
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Thu, 02 October 2003 07:39
 
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Any change to wheels, tyres and suspension is a deviation from what the manufacturer assessed as appropriate for the vehicle. Having said that, your idea of what is appropriate would have different criteria and accept different compromises than the manufacturer would.
The wider wheels and offset would give you a larger scrub radius which would make your steering heavier but probably more stable (wanting to go straight ahead).
Another side affect of doing this is you have increased the arm on the springs, effectively reducing the spring stiffness. You probably wouldn't notice this because you would have lower profile tyres to go with the wider rims and offset. You may notice it diving a little more under brakes.
If you have increased the rolling diameter of the tyres, you would affect the speedo/odometer accuracy. This will also change the effective caster. Once again this will change the feedback you would get through the wheel depending on whether you have increased or decreased the diameter.
The geometry changes you mention in themselves would probably make very little difference to the handling of your car. The reason why it understeers more with the stockers on has probably more to do with the stock tyres than anything else.
Shocks and unspring weight make more of a difference on rough roads. They affect how well your car can control the wheel movement. Having said that, by increasing the track, for a given tyre/wheel weight, you have increased the load on the spring/damper, so it may be a little more nervous on a rougher corner. I doubt the change would be noticeable though.
From what I have heard, early front wheel drive corollas have an oversteering tendancy from factory. You wouldn't happen to be driving a corolla would you?? It sounds like the bigger wheels might have tamed it a little.
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| | Subject | Poster | Date |
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FWD offsets
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strober | Tue, 30 September 2003 13:46 |
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Re: FWD offsets
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gold28 | Wed, 01 October 2003 03:30 |
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Re: FWD offsets
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strober | Wed, 01 October 2003 14:11 |
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Re: FWD offsets
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gold28 | Thu, 02 October 2003 07:39 |
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Re: FWD offsets
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strober | Thu, 02 October 2003 12:30 |
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Re: FWD offsets
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gold28 | Fri, 03 October 2003 00:18 |
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Re: FWD offsets
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strober | Fri, 03 October 2003 14:54 |
