my 89 silvia K's has 4.08 out back I believe. On the highway in 5th at like 75-80 im revving at 4K! Sucks on the freeway, but awsome everywhere else. I have a U.S. final drive that I planned on trying out, and I was curious if both ring and pinion are different, or just the ring gear. My VLSD is gonna get swapped with a welded diff for the time being, and I wanted to try out some taller gears.
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