Go to the speed replacement page http://simdynasty.com/privateavailable.jsp and sign up for any of the 3 teams
Here is a quick link to them.
http://simdynasty.com/privclaim.jsp?lea ... 0&id=10223
http://simdynasty.com/privclaim.jsp?lea ... 0&id=10224
http://simdynasty.com/privclaim.jsp?lea ... 0&id=10222