[Unit327]

Problem: I want an engine that does x, y and z but none of the 4 can do that

Solution: make a new engine

Result: I want an engine that does x, y and z but none of the 5 can do that

[johnnyanmac]

it's more like 400. I'd be surprised if you couldn't find any engine that couldn't do XYZ.

but hey, your engine doesn't need to be a competeing "standard" if you do want to make a new engine.