Hey guys I need your help on the correct way to set up the horizontal and vertical incidence of twin engine model aircraft .I can't tell you how many ways Iv'e herd how to do it. any help would be apperciated

Well you are about to get a bunch of responses with all the differences you have seen before. My sport/aerobatic twins are set up 0-0.
My HP O-400 has the engines and stab at 0-0 and about 2 degrees incidence on the wing.
Chuck

Ditto.
Chuck