Please Click Here to download the '06 rule book.  Changes can be downloaded by Clicking Here.

Summary of 2006 Honda Challenge Rule Changes

a) Added 50lbs to certain cars in the H1 class
b) Adjusted H4 weights and added Prelude, Accord and Civic to class
c) Allowed another 50lbs of ballast
d) Allow Remote Reservoir shocks in H1 with 75lbs weight penalty
e) Allow Composite Hatch/trunk in H1
f) Disallow Canards, etc
g) H1 Restricted Prep cars get a 75 lbs. weight penalty, a reduction from last year's weight penalty of 150 lbs. for big brakes, since we bumped base weight
h) Allow tie rod ends/bump steer kits in H1
i) Allow aftermarket control arms of identical configuration as OEM in H1
j) Allow Data Aq systems up to $1800 in H1