Well if you go Carb you can use the HEMI-6 from MSD other than that there is MS3 https://www.diyautotune.com/support/tech/install/chrysler-dodge/megasquirt-your-hemi/
AEM Infinity Programmable ECUs (just released)
Plus a few other Hemi Tronix, Plus https://www.newhemiswap.com/

Truth has no agenda, but those with an agenda make their own truth.
Some of us are so open minded they only see their View