A friend of mine is offering me his 3.90 gears out of a 2000 regular C5. He said the gears were set up by Cartek in New Jersey. Will the housing setup fit my 2001 Z06. He said we could swap gears because he wants to revert back to the 3.42 gears in his 2000 corvette. Basically, is there any difference between a 2001 Z06 gear housing and a 2000 C5. Any help would be much appreciated. Anyone know if switching from 3.42 to 3.90 gears would raise the MPH in the 1/4 mile.