NOT KNOWN FACTUAL STATEMENTS ABOUT CHILI POWDER & SWEET PAPRIKA POWDER

I've been endeavoring to make an authentic Szechuan chili oil but have a tough time acquiring out just what exactly chilis are used. I just viewed a YouTube that means I take advantage of Gochugaru. Most recipes say use chili flakes or chilies without being particular.I utilized it in the usual suspects similar to a pot of pumpkin chili, for a rub