Adds a fourth gear, with a ratio of 0.8.
Selectable in the parts menu.
Burnside were having trouble selling their car, especially with the oil crisis in full swing, many cars were more efficient at higher speeds, Burnside explored redesigning the car, but customers liked the shape and a redesign would be too costly, so one of the designers suggested an extra gear, to drop the revolutions-per-minute at higher speeds, it was the best of both worlds, same performance and aesthetic, but lower fuel consumption. And allowed this variant of the Burnside to be sold well into the 70's
Overdrive for Burnside 1.0
Adds a 4th gear, for 70mph cruising.