SPEC SHEET
Car'58 Corvette
OwnerCarey McMahon
BlockLS6
Displacement346 ci
Compression Ratio10.5:1
HeadsAFR 205cc Mongoose
Valves2.02/1.60
CamshaftMTI B1 (0.558/0.558-in lift, 221/221-deg
 duration, 114-deg LSA)
Rocker ArmsYella Terra Stealth 1.7-ratio
PistonsDiamond-forged
CrankshaftStock GM
RodsEagle Forged H-beam
Intake ManifoldManifold Stock LS6
Throttle BodyPorted LS6
Fuel InjectorsGM 28.5-lb/hr
Fuel PumpWalbro, 255-lph
IgnitionStock coil packs, ACCEL 10mm wires
Engine ManagementStock ECU programmed by Howell Engine
 Development
Exhaust SystemCeramic-coated headers with 1.75-in
 primaries, 2.5-in polished stainless-steel
 pipes, Hi-line stainless-steel mufflers
TransmissionTremec T56 six-speed manual
ClutchStock Z06
DriveshaftCustom
Front SuspensionC4
Rear SuspensionC4
RearendDana 44 with 3.42 gears
Front Brakes'04 Z06 calipers, DBA 4000 slotted rotors
Rear Brakes'96 C4 calipers, DBA 4000 slotted rotors
WheelsPS Engineering, 17x8.5-in/17x9.5-in (front and
 rear)
Front TiresDaytona 245/45ZR17 whitewalls
Rear TiresDaytona 275/40ZR17 whitewalls
Fuel Octane93
WeightUnknown
Best ET/MPHUnknown
Best 60-ft. TimeUnknown
Current Mileage88,479
Miles Driven WeeklyApproximately 50