^^^I don’t understand why. Very similar if not the same weight, practically the same efficiency in my experience, and the power curve starts low and is WIDE and FLAT. I have liked them both but the 392 is a no brainer to me.
I’ll explain it to you. Cost, efficiency (you’re wrong there - have numerous friends who own both...) & reliability. The KISS principle applies here.
The 392 is overkill in a Wrangler. Doesn’t make sense to me.
I can see it in a Grand Cherokee or similar SUV, but Wrangler, a niche vehicle - No. YMMV