More a sign of the bad geometry of the Gen 1 & 2 SHO which contributes to extreme front end dive.
Good point Paul. My rear (stockish) brake pads are wearing considerably more now with the Gen III front subframe upgrade that the NESHO folks welded up for me - so much less brake dive = bias valve stays open = more braking from the rear.
Eric I just don't see how no rear brakes at all can possibly improve laptimes - zak