When I had my 60 with the transgo shift kit and a Fuddle 4k stall, it was a much firmer shift without being annoying in everyday use. It would chirp the tires on the 1-2 shift at WOT when I was just bolt-ons with 2.73 rear.
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12.6 at 109 on street tires
bolt-ons, stalled 80, gears |