Took delivery of a triple black SHO with 402A exactly 2 weeks ago. After a few days started making a groaning noise, pretty loud inside the car, but not at all outside the car, on accel and decel at around 1250-1750 RPM. This was either moving or stationary. Brought it in last week, dealer heard it, agreed it was a problem, could not find or solve it though. Does not seem to affect performance at all. Yesterday brought it back in at their request and they had a Ford SHO engineer on hand to help out. Diagnosed a fuel line rubbing up and vibrating against the underbody, so they wrapped the line with insulation. So I can still hear the noise if I listen hard and everything else is dead quiet, but I guess thats the fix. All in all, a minor problem. Anyway, if y'all hear a noise like that in your new SHO, now ya know! I am loving driving this thing. Traded in a 2008 G35S and the SHO feels so much more solid, better steering & handling, great road feel, brakes need help. 14" rotors and big azz calipers please.