Chrome ignition module vs rev-n-nator

Hmmmmm. Notice any difference between the rev n nator and chrome box drivability wise? Also did you have any timing changes after installing the rev.?
I got a .040 over 340 with eddy heads and intake lunati voodoo cam and 340 hi po manifolds around 400 hp and 400 ft lbs. it runs good with the orange box just looking to improve wherever i can