Originally Posted by Joliet John
Anyone looked at a Dyno curve to see what you get by shifting at 6000 - 6200 vs 5600-5800? If it's falling off after 5800, you don't gain anything by upping the shift point.
Not true. Check out my dyno chart:
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The HP is still climbing. Torque is slowly tapering off, but it is gradual at that point. Sure it's not huge gains between 5800 and 6200, but it is more time that you're "in the zone" making max power and lots of torque.