Use your 318 dist. Mount the HEI module under the dist with the
www.designedtodrive.com plate. reduce the axial play to .005 with speedway motors flat shims. use the FBO plate & mod the curve with light springs. use a furd E coil from rockauto (cheap) #CFD478 run straight thru with no ballast. set this up then spend your time dialing in the curve dead on. EDIT its
www.designed2drive.com & it is pricey & you can do the same for cheap with a piece of 3/8 aluminum plate. be sure to use some heat sink paste between the plate & the HEI