The changes will improve the Tesla Roadster's instant torque from 211 to 280 lb-ft while also improving its range by 10% to a shockingly impressive 244 miles.

Drivetrain 1.5 also means Tesla can finally ramp up production of its well-publicized roadster. Within the next few weeks, Tesla will begin producing 10 Roadsters per week.

By next March, that number will increase to 40 samples per week, which will go a long way toward satisfying demand for the sexy EV. The new, upgraded Drivetrain 1.5 is so much better than the mechanicals it replaces, Tesla will keep it's promise and retrofit the 38 models already produced and delivered with the new equipment. Hit the jump to view Tesla's official press release.