318 build with XE268 AND 302 heads

Checking in as I am looking at a similar 318 build.
Reason for the 318;build...I did the exact same thing to a low compression 273. Comp 270S complete kit. Over cammed the damn thing. Has no bottom end.It now has LD4B eddy 1405. No bottom end.
Hope to not duplicate my stupidity on the 318 build.
Good luck!