When I said rubbing, I was referring to the fuel filler neck. That's not an easily modifiable area. Of course, they will still rub on the fenders, but that takes a few minutes with a sabre saw to fix. Also, my understanding of the SLR spring packs are that they are not simply an "add-a-leaf" like many products out there, but are designed from the ground up for the purpose they are used for. When you use the shackles, you are using the factory springs in a configuration that they were not designed for, causing extra stress (wear?) on the springs. The shackles are a workaround (albeit a fairly good quality one), whereas the spring paks are meant to be a permenant solution. Just my $0.02
~Chris

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