I have no datalog experience... but how rich is rich?
Is your bumper covered with black specs?
Is your idle rough?
GTP Stage II heads/Intake, Borla,CC 218/224,chromoly pushrods, CG 1.6 rr's,Hooker 1 5/8 shorties,RapidFires, MSD 8.5mm wires,4L60e (w/TransGo shift kit,deep pan,B&M cooler,Vigilante 2800),Spohn.net->(Torque Arm,Drive haft,LCAs,Panhard Bar,front/rear sway bars),Superior 3.73 gears,TA rear cover, Kenny Brown D.D. S.F. connectors,Morosso CAI,MSD coil+6AL,95 opti,TB bypass,BMR F.T. strut brace, Nitto front-450,rear-555r, Ed Wright reprogram w/ LT1 Edit,LT4 K.M.,52mm BBk,Hypertech 160