[GoatZillaRacing]

Originally Posted by mgarblik

Thank you for the visual evaluation of the new heads. Also for the complete list of specs and flow numbers. Several additional items that would be of interest would be: Could you please put one of these heads on a scale and get a bare casting weight of the head. Of course seats and guides would be installed, no problem there. It would be interesting to compare between these, E-heads and KRE. As we all know, sealing an aluminum head to an iron block with 10 head bolts is a challenge. Flimsy, lightweight heads make this an even more difficult task. Great cooling system layout helps, but there is no replacement for actual material in the head. Second, do you plan to cut one head up to inspect water jackets, thickness of the casting around the head bolt columns, meat in the bowl area, around the short turn, around the spark plug if you intend to make the chamber larger? Seems like all this would be necessary to fully evaluate. I realize you just got your hands on them and the initial look seems positive, but it seems like allot more destructive testing as well as dyno testing at a minimum would be needed to draw any real conclusions. I wish you the best in your efforts. Any chance you could 3D print a pair of these heads in IRON? (Which is what we really all need whether people want to admit it or not)

Lots more to do but one thing I can report is that the deck thickness looks to be .500 where Edelbrocks are .625. I don't see this as a huge drawback as these are street heads not our Arrow Injuneering Race Heads.
More to come for sure (including cast iron d-ports)