I think this is the one he's looking for
Jeezzzzz, talk about jumping through hoops to find it

Was done by Hot Rod Engines

Part 1
http://www.hotrod.com/techarticles/hrdp_0712_mopar_intake_manifold_comparo/

Part 2
http://www.hotrod.com/techarticles/hrdp_0801_mopar_intake_manifolds/

Enjoy