SPEC SHEET
Car 2009 Factory Five GTM
Owner Keith Bentzel
Block Stock LS1 aluminum
Displacement 346 ci
Compression Ratio 10.25:1
Heads Stock LS1 aluminum
Valves Stock 2.00/1.55
Camshaft Stock hydraulic roller
(0.500/0.500-in lift, 198/209-deg
duration, 116-deg LSA)
Rocker Arms Stock 1.7 ratio
Pistons Stock hypereutectic aluminum
Crankshaft Stock nodular iron
Rods Stock powdered-metal steel
Intake Manifold Stock composite
Throttle Body Stock, ported by Fasterproms
Fuel Injectors Stock
Fuel Pump Stock
Ignition Stock coil-on-plug
Engine Management Stock LS1
PCM programmed by Fasterproms
Exhaust System Kooks 13/4-in custom headers, high-flow cats, X crossover,
and 3-in pipes (all Jet-Hot coated)
Transmission Porsche G50/20
six-speed with taller Fifth and
Sixth gears, OS Giken LSD (inverted)
Clutch Centerforce
Front Suspension C5 Corvette upper
and lower control arms
with Koni coilovers
Rear Suspension C5 Corvette upper
and lower control arms
with Koni coilovers
Front Brakes Stock C5 Corvette
Rear Brakes Stock C5 Corvette
Wheels CCW 18x8 front, 19x10 rear
Front Tires Michelin Pilot Sport 2, 255/35ZR18
Rear Tires Michelin Pilot Sport 2, 315/25ZR19
Fuel Octane 93
Weight 2,600 lbs with driver
Current Mileage 3,500
Miles Driven Weekly Approximately 50