This article informed me on the significance of wheel weight. Not a long read:
https://books.google.com/books?id=Y7P6BFss_0cC&pg=PA24&lpg=PA24&dq=understanding+wheel+weight&source=bl&ots=vC2UL47Mq-&sig=FX4EEXhGP_htzZLe2tNGrGVFYFA&hl=en&sa=X&ved=0CFcQ6AEwCWoVChMI-K6Kr6DsxgIVTTKICh3SLg0z#v=onepage&q=understanding%20wheel%20weight&f=false