Originally Posted by GARETH T
Originally Posted by JohnP001
In that first clip, with the shot from the top of the inlet manifold, surely those cannot be the fuel injectors working, as they seem to be a long way out of the manifold track? Also what's that mist? Can anyone explain?

they are injectors
how fast do you think the air is flowing into the engine?

That’s interesting. So the injectors sit the other side of the butterfly, in relation to the combustion chamber. I thought that in the interests of efficiency, it’s best to have the injector as close to the combustion chamber as possible. Well, I’ve learnt something new today.