I have a 318 ,904, 3.23 diff gears in a valiant coupe here in aus that's just a fun cruiser.
+030, ldb4 intake, voodoo 701 cam, edelbrock 500, currently has 675 heads decked .050 & cranking psi is 165, and is a fun package to drive, From memory the 675 heads on the car are at about the 63cc...