I'd reduce that 1" free pedal down to 1/2" or so. Any extra stroke you can get on the M/C is going to be multiplied by the hydraulics before it gets to the wheel cylinders/caliper pistons, so a small change in effective pedal stroke should make a big difference. The lack of volume at the front bleeders is a big red flag, so I'd recommend trying to solve that problem first.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!