3.9 vs 4.1
#22
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It's exactly the same curve, just shift that little pre-65mph hoop down another increment. All the difference is under 65mph where torque is still rising in 3rd gear.
Dyno chart: https://i.imgur.com/4A7HYhb.png
Dyno chart: https://i.imgur.com/4A7HYhb.png