What's the skinny on "big valve, ported aluminum head"? Is that really a thing, or a pipe dream? I've seen them for Jeep motors . . . .No!
Here in the US, the Barra Engine is a piece of junk. In the US, the Barra engine isn’t even a good boat anchor.
You can do a lot better with the GM inline six engine. Some may ask why? Because, you can get parts for it in the US.
Members, just wait for the 300 big valve, ported aluminum head to come out.