Originally Posted by Mr.Squeeze

Found it two key things I picked up in that video 1. it's on Forge Performance dyno dynamics that dyno has always been known to read low. It's been that way since the 350'z days way back to 2003. Also his car has a GTR manifold that is well known on our cars to loose power. I would be willing to bet for those reason right there alone that's why it's not a big difference from what you made on a dynojet.