One other thing you need to know...
The Arisaka round is slightly larger at the base, so unless the barrel was set back, the chamber is going to be oversized, meaning your .30-06 brass will swell at the base. Not a good combination for long-term case life.
"The gift which I am sending you is called a dog, and is in fact the most precious and valuable possession of mankind" -Theodorus Gaza
Baby Jesus cries when the fat redneck doesn't have military-grade firepower.