Originally Posted by acesandeights
So, if you don't flip the spring seat, only move the bolt from the bottom to top hole in the clevis, the result is the same amount of lowering, 1.6" ?
Yes, like Procycle said the lowering is the same regardless if you flip the spring seat or not. But you will risk the tire hitting the fender (or possibly other components hitting) if you don't limit the travel by flipping the spring seat which raises the bump stop to limit shock travel.
Remember the spring has to also be moved up the shock body (per the manual) when you flip the spring seat.
Personally (although I haven't done any measurements) I think the prelaod settings Suzuki states in the manual also play into their 1.6" claim. In other words you would have to adjust to their lowest preload setting to achieve the maximum height reduction.