need help with speedo gears for turbo 400

[GANGSTER]

putting a turbo 400 in my gn and i want the speedo to be as close as possible. I still have the 3.42 gears in the rear and i know someone out there did this already and wrote it down.
Please help a brother out!!

 

[MeanBuicks]

This should help you: http://www.tciauto.com/tech_info/speedo_gears.htm

 

[GANGSTER]

THANKS,DID A SEARCH AND FOUND IT FROM AN OLD POST, DUH WHY DIDNT I THINK OF THAT BEFORE I POSTED.