Nope, it was a grocery getter from some old folks before me. They said it was all stock, and i had it at my buds, he used to work at nissan, he didn't know either. i have the vg30e, stock sized 28 inch tires moving to 31's soon. It is a stick, five speed. For gears i shift at 7, 15, 30, 45 mph. Would the manual say anything? ve read through it but saw nothing? ive had it for 6 months and have considered throwing in a new fifth gear to bump it to ~3300 at 70.