BORE SHROUDING TEST: 4.03" vs 3.91" Edelbrock RPM Heads Really Fit a 318? Project Mission Impossible

sounds like the sort of thing i've thrown together in the past using what's 'here' or 'cheap', lol.
sounds a lot of fun, in the 1/8 at least. i just couldn't work out your link to lower compression limiting revs?
neil.