What you see here is a very sophisticated piece made of cardboard, foam, and prints of the engine i sketched up.
I used this when i was building my front clip to give me some reference to motor mounts, intake/exhaust ports etc.
Yes very redneck, but effective
I looked all over at places that sell the plastic mock up small block chevy engines, and they did not have one of the 4200 LL8, not sure why
so this was my alternative method