With 3.91's you shouldnt have an issue. My pat g cam specs are kinda close to NF but more overlap and I have a 112LSA and not 113 like nightfury. My car is my daily driver and I have no complaints on drivability with 3.91's
__________________
2010 Camaro 2SS/RS | 416 LS3 | FED stage 2 heads
|