A team-bhpian(Cinclaturbo) has plonked a Gixxer engine into a Reva and the result is 0 to 100 kmph in 4.4 secs with a 12,000 RPM Redline. Insane, you bet! Power to weight is 390bhp/ton and turbo is on the way.
Here is a test run of the insane Reva.