Thanks Fu. I'm aware of the difference between the LEO (175kw) engines and the LY7's (190kw) but when you ring around the LY7's are identified as engine number 10H7(something)- and then some more numbers. Ours is a 10H7L etc. but I've been told there's 10H7A, 10H7B, 10H7C, 10H7L ETC. I'm just...