Any bottom end work, or valve train changes?
yes it has a full long block and cams from supersixmotorsports in alanta ga. dished forged pistons that drop it down to 8.5 from almost 10.0.this is the only shop in the nation that builds for v6's for racing.
thier shop mustang is pushing 440rwhp out a bored 4.0 thats out to 4.3 and 14 pounds of push. check out thier web site.