Yes you most certainly did miss it all. He tested three different manifolds on the same engine, he WASN'T TESTING THE ENGINE! You’re calling him a liar and a cheat, he ‘rigged’ the test. Very childish. Why don’t you do the identical test, exactly the same, but first you’ll have to find out all about that engine, do a video then get back to us. Until you PROVE him wrong, you’re wrong.