My engine moves around more than I would like, especially on bad washboard roads with full air pressure in the tires. Since I have a hole in the hood for the air cleaner tube I can see it move. I am running stock style rubber mounts.
I would say you will be fine most of the time.
Can you drop the air cleaner any. That assembly looks taller than it needs to be. Maybe a drop base or something?
42 MB, 225, T18, big kid go cart with clown tires
92 Dodge W250 daily driver on 39s