SPEC SHEET
Car'03 Z06
OwnerDon Ondrejcak Sr.
BlockLS6
Displacement346 ci
Compression Ratio10.5:1
HeadsGM 243 with Texas Speed & Performance
 Stage 2.5 CNC porting
Valves2.02/1.60
CamshaftTSP Magic Stick V.3 (237/242-deg duration,
 0.603/0.609-in lift, 114-deg LSA)
Rocker ArmsYella Terra 1.7 shaft-mount
PistonsStock
CrankshaftStock
RodsStock
Intake ManifoldFAST 90mm, ported by Vengeance
Throttle BodyTPIS 90mm with coolant bypass
Fuel InjectorsFAST 36 lb/hr
Fuel PumpStock
IgnitionStock coils with NGK TR55IX spark plugs
 and Granatelli wires
Engine ManagementStock PCM, tuned by Jeremy Formato
Exhaust SystemDynatech 1.75-in long-tube headers, high-
 flow cats or off-road bypass pipes, 2 1/4-in
 cross-pipe, Borla Stingers
TransmissionStock T56 six-speed with B&M Ripper shifter
ClutchRPS Stage 3 clutch and Synergy aluminum
 flywheel
DriveshaftStock
Front SuspensionGMPP T1 sway bar, Pfadt Racing coilovers
Rear SuspensionGMPP T1 sway bar, Pfadt Racing coilovers
Rear EndStock 3.42
Front BrakesBrembo slotted-and-drilled rotors,
 Performance Friction Z pads
Rear BrakesBrembo slotted-and-drilled rotors,
 Performance Friction Z pads
Wheels18x10.5 C5 Z06 with black powdercoating
 (street)/stock C5 Z06 (track days)
Front TiresFalken Azenis RT-615 285-35-18 (street)/
 Hoosier slicks (track days)
Rear TiresFalken Azenis RT-615 315-30-18 (street)/
 Hoosier slicks (track days)
Fuel Octane93
WeightUnknown