A blow through setup is in reference to a carburetor correct, or are you referring to something else?

I don't know what you would need for inputs/outputs. The HP system is nice if you don't need many.

https://www.holley.com/products/fuel_systems/fuel_injection/hp_efi/hp_ecu/parts/554-113

https://www.holley.com/products/fue...ominator_efi/dominator_ecu/parts/554-114


69 Charger. 438ci Gen2 hemi. Flex fuel. Holley HP efi. 650rwhp @7250 510rwtq @5700