8722 osctune
Unfortunately, I never used 8722 so far.
Anyway here is my config for 8720. You might want to make a comparison.
#pragma config OSCS = OFF, OSC = HS
#pragma config PWRT = ON, BOR = ON, BORV = 25
#pragma config WDT = OFF, WDTPS = 2
#pragma config MODE = EM
#pragma config WAIT = OFF
#pragma config CCP2MUX = OFF
#pragma config DEBUG = ON, STVR = ON, LVP = OFF
#pragma config CP0 = OFF
#pragma config CP1 = OFF
#pragma config CP2 = OFF
#pragma config CP3 = OFF
#pragma config CP4 = OFF
#pragma config CP5 = OFF
#pragma config CP6 = OFF
#pragma config CP7 = OFF
#pragma config WRTB = OFF
#pragma config WRTC = OFF
#pragma config WRTD = OFF
#pragma config EBTR0 = OFF
#pragma config EBTR1 = OFF
#pragma config EBTR2 = OFF
#pragma config EBTR3 = OFF
#pragma config EBTR4 = OFF
#pragma config EBTR5 = OFF
#pragma config EBTR6 = OFF
#pragma config EBTR7 = OFF
#pragma config EBTRB = OFF