Kerbal Space Program

I think you're supposed to use a larger engine shroud in that case. What you're doing is akin to trying to shove a 4 inch wide can into a 4 inch wide glass (measured from the outside). In this case, if the engine doesn't fit the shroud, step up to a bigger shroud. My only disappointment with the engine shrouds is you can't toggle the ability for fuel to transfer through them like you can a coupling. This means, you have to include your fuel tank in with the engine, or pipe fuel from tanks higher up.

I believe the diameter of the shrouds is meant to be flush with tanks and objects you connect them to so air can pass over them smoothly. You can't expect every shroud to be a bump that wraps around the engine parts. That's what protective shells do.

Galileo wrote:

The engine shrouds are offset with engine parts poking through. Some are worse than others. I included some imaged to highlight the issue.

Seeing this too on linux. Happens with stock and mod shrouds. Shroud-type parts, those objects that appear/disappear when stacked, are slightly offset both horizontally and vertically. If it helps, this problem is amplified when using SigmaDimensions/Kopernicus to increase the size of kerbin. In stock, it's a slight graphical bug. On plus-sized kerbin it's laughable.

This is fixed in 1.6.1 but I am unable to change the Status on this bugtracking software, there is no pulldown present.