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JJ's 6+2 Sequential Gearbox

A six-speed Gearbox with a clutch and reverse. Created to fit into the beastliest of trucks, this compact unit is capable of shifting up to 8.5:1. It has an automatic idler -- when set in neutral, the clutch is engaged. This makes shifting from 1 to R possible while moving (previously the engine would face backtorque and stall.)

The shifting is the easiest shifting on the face of the planet. Hook a seat's hotkeys (or a push button) up to the labeled push buttons on the bottom, and you're done! The gearbox has an internal PSU, but you're going to want to supplement it with a generator or seperate battery.

Enjoy!

Credit to Taijin for his push-button logic.