Thanks for the info GOJEEP.
I think the stuff I used for the bush won't allow too much movement. I did a bit of research before it was made up, and this is the stuff used to replace some solid metal bearings in certain applications. Anyway, I won't be putting a huge tyre on so not as much weight and it's not like it is rotating like a wheel constantly. The housing for it and bolt size is sufficiently thick enough to prevent much in the way of flex. I think you would get more flex in the arm - the longer it is, how it is supported at the other end and the weight applied. I believe that a small amount of flex or give is needed in a lot of situations, and a lot of vehicle are designed around this. My experience is mostly at sea with ships and this is certainly the case in big seas and the way a vessel rides. I know vehicles have suspension to counter the road surfaces, but the body and chassis have a certain amount of movement built in.
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Go custom - Ya know it will fit
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