Trick Flow 440 heads, The Real Deal?

AndyF said
The 470 works great, revs like chainsaw. The crankshaft is a SCAT superlight with all of the tricks and you can really tell the difference.

I don't sell brake parts anymore. I got rid of that part of the business a few years back.

Had a chance to dyno it yet? Curious how it compares to the Edelbrock, Stealth, and Sidewinder heads.