Alumi-brite propaganda:
http://www.prod-chem.com/litsheets/4511.pdf
MSDS:
http://www.wesclean.com/catelog/MSDS/424809.pdf
Says here not to mix it with anything but WATER.
Random person on AF claiming it works wonders:
http://www.automotiveforums.com/t328...um_intake.html
Find out if he used a concentration or dilution. Your best bet is to drown your manifold in water and scrub scrub scrub, then buff buff polish.
Metal polish just does not work unless it is really worked in and like I mentioned the bumpy surface of the mani makes that very difficult.