On Jan 10, 11:40*am, Bill Ventura wrote:
I'm changing out my kitchen ovens and the new one
needs an additional 3/8 to 1/2" of side clearance. *It is
a sheetrocked wall, 1/2". * *Because it will be hidden
doesn't matter about looks. *The oven is rated to be
installed in wood cabinets with essentially zero
clearance.

Don't forget that you need clearance to slide the oven into its space.
I'm not sure of your exact scenario, but if this oven is against a
long wall, this will be an issue. You can't just remove the drywall
from where the oven is going to be, and expect it to slide in there.