Thanks EdM !!!
I saw these a few months ago - got wrapped up with trying to move the last few months and didn't save this to my favs .
Bought a detailed performance rebuild book for the 4.6 & 5.4 coming in the mail soon .
https://www.diyford.com/how-to-assembly-ford-4-6l-5-4l-engines-step-by-step/Not looking for anything extreme 600-700 wheel HP max with controller for low/mid/high settings .
The numbers I quoted were from racing engine companies who build everything as perfect as possible . Some roadracing engines the live from 5000 to 8000+ RPM - no need for that .