Afr were in the 11.5-12:1 range
Motor was rebuilt to oem specs about 18k miles ago with an hks MHG & arp head studs, I believe it has na cams
this was on a dynapack, it reads about 7% lower than the other dyno jets on the island
sorry, no mustang dyno's on the island, your afr is kinds of rich at 11.1 though, you may be able to gain a little more power by leaning it out a bit