I just put a Dodgezilla with a 16 ng housing on my truck over the weekend. It is an AWSOME turbo, I have basically stock fueling, stock manifold and a stock air box/fileter. With the edms pushing it I am hitting 36-38psi as soon as the tach hits 1,200rpm the turbo is screaming. My EGT's went down 150deg to 900, from my stock turbo/16. So even if you do leave your fueling alone get the Dodgezilla you wont be upset about it.