Stock intake vs performer?

Here's some dyno result from two engine built the same, except one has an Air Gap on it the other has a performer 318/360 with the port exits opened up. Both with 1" open spacers.

Performer 318/360
See post 57
http://www.forabodiesonly.com/mopar/showthread.php?t=167893&page=3

Air Gap
www.forabodiesonly.com/mopar/showthread.php?t=158426

Right with the Air Gap for HP up top. The Air Gap had a better tq.