Jpar, you seem to have a sense of entitlement. Do you think they owe you this information? They are posting their results to us for free and you are complaining. There is plenty of head porting info on the net if you look for it. With pictures too. https://www.hotrod.com/articles/mopp-0001-360-engine-head-porting/ https://www.hotrod.com/articles/mopp-0210-porting-383-440-aluminum-replacement-heads/ https://www.hotrod.com/articles/cylinder-heads-ii/