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It took some work to get the QA1 coil-overs, the wheelie bars, and the watts link all to fit and play nice with each other. Looks like plenty of room now but when I was first measuring the room available with all potential suspension movement and the size and optimal location of each component it was clear some compromises would have to be made. I wanted the springs mounted in the vertical as they are more efficient in that attitude but packaging constraints required they be on an angle. It ended up their motion ratio is not much different than the FFR design so whatever spring rate works for the FFR design should work here.