Has anyone fitted one of these as a upgrade to an older 4.7? I've got a 2000 4.7 with 212x Cams and all the other "easy" upgraded bits and was wondering what the 08 onwards Inlet Manifold might do, as I've seen them being sold as a performance upgrade. I know that people who've fitted the H/O cams only get the full benifit if they also fit the H/O manifold.
I'm hoping that they might give me a bit of my Low - Mid range back that the cams moved higher up the rev range! I love the extra power at the top end but off the line, they're not so good. I had been looking a High(er) stall converter to let it get to power but if the manifold could fill in the bottom end, it would be a lot cheaper.

Thanks for any thoughts,

Paul.