I have never heard of the rhs iron heads??? I spent alot of time porting my EQ heads and I like them and the price was right. The pushrod pinch is less than on the regular magnum heads but still looks like a restiction for higher HP engines. I removed a small amount of material from the pinch and it would be nice to be able to get a magnum style head with an offset rocker and eliminate that pinch.......

You made some great power and torque numbers and I hope my 390 surprises me as I have a similar setup with a little less cam/compression. TBF