2010 Chevrolet Corvette ZR1 & 2007 Chevrolet Corvette Z06 - Two Sides To The Story

In which we learn that maximizing a ZR1’s racetrack performance requires more than a simple engine upgrade

Jack Criswell Aug 22, 2011 0 Comment(s)
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Spec Sheet

'10 ZR1

Owner Mark Osborne; North Little Rock, AR
Block Stock LS9 aluminum
Displacement 376 ci
Compression Ratio 9.1:1
Heads Stock LS9 aluminum
Valves Stock 2.160 titanium/1.590 sodium filled
Camshaft Stock hydraulic roller
Rocker Arms Stock 1.7-ratio
Pistons Stock forged aluminum
Crankshaft Stock forged steel
Rods Stock forged titanium
Intake Manifold LS9 supercharged with Katech intercooler and Mike Norris Motorsports ported throttle body
Fuel Pump Stock
Ignition Stock coil-on-plug
Engine Management Stock with EFI Live tuning by Gwaltney Performance Innovation
Maximum Boost 14 psi
Exhaust System Kook’s headers, Magnaflow after-cat with electric cutouts
Transmission Stock TR6060 six-speed manual with MGW shifter
Clutch Centerforce Dual Friction
Driveshaft Stock
Front Suspension Stock, lowered on factory bolts
Rear Suspension Stock, lowered on factory bolts
Front Brakes Stock carbon-ceramic 15.5-in rotors with six-piston calipers
Rear Brakes Stock carbon-ceramic 15-in rotors with four-piston calipers
Wheels ZR1-style black chrome; 10x19-in front, 12x20-in rear
Front Tires Michelin Pilot P285/30ZR19
Rear Tires Michelin Pilot P335/25ZR20
Fuel Octane 93
Current Mileage 6,000
Miles Driven Weekly Varies

Spec Sheet

'07 Z06

Owner SpeedSouth Active Power; Pelham, AL
Block LS7 aluminum
Displacement 427 ci
Compression Ratio 10.75:1
Heads LS7 aluminum
Valves Stock 2.200 titanium/1.610 sodium filled
Camshaft “Trade secret”
Rocker Arms Stock 1.8-ratio
Pistons Mahle forged aluminum
Crankshaft Lunati forged steel
Rods Lunati forged steel
Intake Manifold Stock LS7 composite
Fuel Pump Stock
Ignition “Trade secret”
Engine Management Vi PEC
Exhaust System LG Motorsports Pro Long Tube headers
Transmission Stock T-56 six-speed manual
Clutch McLeod twin-disc 8.25-in with aluminum flywheel
Driveshaft Stock with urethane couplers
Front Suspension Bilstein coilovers, LGM drop spindles, Pfadt competition sway bars
Rear Suspension Bilstein coilovers, LGM drop spindles, Pfadt competition sway bars
RearEnd OS Giken differential with stock 3.42 gears
Front Brakes Stop Tech six-piston calipers
Rear Brakes Wilwood four-piston calipers
Wheels CCW C10
Front Tires 285/660-18 Dunlop slicks
Rear Tires 310/710-18 Dunlop slicks
Fuel Octane 93
Weight 2,926 lbs
Miles Driven Weekly Weekend track use only


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