#KeeJay :
It's just as hard as making whole engine from scratch.
1st off, making a whole engine from scratch isnt hard. I made the alfa one and, even if it doesnt look 1:1 like the real deal, it's good enough
2nd, making an engine out of a fake part is definitely easier than modeling it from scratch, you just have to add a bit of detail such as cylinders and camshafts room and then drop internals from sl in
With so much drama in the V-S-T, it's kinda hard being Bigg B-O-double-S-ninetythree