Old skool, but a 1650 rebore on STD 1600 rods (deseamed and shot peened), other usual bottom end work and arps as insurance. Suitable head work (blyndenstein b+), Kent ast2 cam and t40's will net 140 and not need to rev past 7250, and will do it all day long.
Odds on you can do the same with the efi system instead of carbs as the group a build did