One of the best things about these 53 and older trucks is the beefy mounts bellhousing to crossmember. The cars has very wimpy light weight mounts at the bellhousing. The 216 should bolt in fine, just stick with the truck parts from flywheel back.
Best of luck


It's easier to get forgiveness than permission!
1946 1/2-Ton Chevy
1953 Chevy 3/4-ton Factory Stakebed