then set the engine into the mount.
Easy, but get used to it.
you may mount-unmount assemblies several times to check clearances and adjustments. Don't assume that when you put it in it's final.
Final happens after many checks and balances.
An old chassis will have flexed, and distorted.
Here is my most vital advise.
Relax, do not hurry, think about the machine. It should do it's job effortlessly for years so if it is not smooth and has to move..
IT'S WRONG.
Go back and re work the assembly.
