Oh, your car has a stick shift? Just one?

You're watching a Lenco transmission in action. You can read how it all works right here, but it's basically like "slamming successive planetary gearsets together" to quote a particularly artful Jalopnik reader.

These things got outlawed for Pro Mod in the NHRA, but you still see them running, as with John Nilsson's Top Sportsman Dodge Daytona seen here.

BangShift reports that these things are coming back into popularity thanks to new NHRA eligibility. I just love the sound of the 588ci Chrysler wedge, and watching the Lenco shift away.

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