I like your idea if the intent is to build a fun cruiser with a blower sticking through the hood, but if you intend to race it please warn us before you pull the pin on that grenade!
:)
On early 80's police cars with A engines and aux. oil coolers , Chrysler used the fuel pump cavity. 1 of the fuel pump mouting bolts was hollow and had a threaded fitting in the bolt head for the oil return line to attach to.