Superior - yes, but not necessarily by "light years". "Light years" relative to the Fox chassis, perhaps.
Having owned various Foxbodies for most of my driving life (including one right now), it wouldn't take much of a "light year" to be massively better. LOL!! Foxbodies are pretty raw. I read a description once calling the m the best 7/8 finished beer car on wheels. Has always amused me.