I seem to remember a while back someone was talking about this and when they calculated the weight saving on the chassis alone it would have been about 25 percent lighter for the same stiffness but like twinturbo said hanging things off it may be a different matter I was thinking of just using round tube for the bracing parts did a search a while back for tube benders that you could make yourself and came across a contraption that uses the rear hub off a mk3 fiesta and a long length of bar dont know how well it would work but may be worth a try I will post a link when I get home tonight
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