My speedo seems about 10 to 15 mph slow too - I'm always passing people. Everybody drives so slow. But seriously - is this the speedo gear I need 16 tooth.
Here's the site where I found it:
http://www.speedometergears.com/
So, I have no clue - Where does it get installed?
Is this different than what came with the car/trans stock?
Vehicle info = SPF2693, TKO600, 15"wheels, dealer install 100%
Another dumb question - but would this problem effect the mileage count of the odometer?