Looking to get some 18 or 19's but they require spacers to clear the front hp2's, stupid question bu
07-28-2007, 12:31 AM
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Looking to get some 18 or 19's but they require spacers to clear the front hp2's, stupid question bu
t I'm pretty sure you have to add spacers on all 4 corners being its an AWD car right? Or can you just put spacers in the front only...I was wondering if that will change the functionality of Quattro...
07-28-2007, 05:15 AM
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Back up.
Spacers will have no impact on quattro. Quattro is in essence a center differential. It needs to see similar rolling circumferences front and rear. Spacers don't affect the circumference of the wheel, only their positioning vs the hub.
However, spacers change offset. Offset, desipte what you will read, should remain at or close to the factory spec. If the wheel does not fit, it does nto fit.
If you change offset, the steering geometry changes up front. It will have more (or less) scrub radius, scrub, kickback, bump steer and tendency to follow ruts. Tire camber changes will be more irregular. Generally not good.
In the rar its lerss bad, but it still affects the loads on the hub, ball jints, etc.
You should not only retain identical offset, but you should keep it very close to the factory spec. Typically up to -5mm is no problem. Note that offset is measured in negative mm, so going from 45 to 35 offset is PLUS 10mm, the opposite of what it appears to be.
So first, what's the offset of the wheel. Second decide if the spacer required is small enough for you to live with the deteriorated steering and handling.
OPh yea, spacers are evil. They cause problems.
Grant
However, spacers change offset. Offset, desipte what you will read, should remain at or close to the factory spec. If the wheel does not fit, it does nto fit.
If you change offset, the steering geometry changes up front. It will have more (or less) scrub radius, scrub, kickback, bump steer and tendency to follow ruts. Tire camber changes will be more irregular. Generally not good.
In the rar its lerss bad, but it still affects the loads on the hub, ball jints, etc.
You should not only retain identical offset, but you should keep it very close to the factory spec. Typically up to -5mm is no problem. Note that offset is measured in negative mm, so going from 45 to 35 offset is PLUS 10mm, the opposite of what it appears to be.
So first, what's the offset of the wheel. Second decide if the spacer required is small enough for you to live with the deteriorated steering and handling.
OPh yea, spacers are evil. They cause problems.
Grant
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