400 & 520 ignition or wire mods

Apparently there is a mod for either the ignition wire or the box available, to make the engine run better (similar to WR 426) does anyone know anything about that?

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!


Register a new account

Sign in

Already have an account? Sign in here.


Sign In Now