Will this work for my top anchor?

I think the tension ratio on a ring is about 1.4 and a block is 1.1 to 1.2 so that's how much extra tension happens during a lift and how much aerial friction benefit you get during a lower.
so, 1400# tension on GRCS will lift ~1000# give or take a bit?
instead of using a block which is going to lift closer to 1100# at 1400# tension?
 
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