2006 Chevrolet Corvette Z06 - "Go At Throttle Up"

Reaching Escape Velocity in Next Level's Twin-Turbo Terror

Tom Shaw Sep 7, 2010 0 Comment(s)
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Body mods were kept conservative. An LG Motorsports heat extractor hood improves airflow through the engine compartment.

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Once the powertrain was assembled, Geoff applied his tuning skills to extract the system's potential. The goal was for the engine to make 1,000 hp. By dialing in the system on NLP's in-house Dyno Jet 224 XLC Load Control dyno, Geoff surpassed that mark, and recorded 914 peak rear wheel hp at just over 6,000 rpm, well beyond 1,000 engine hp when factoring in frictional driveline losses, normally around 18 percent. Check out the dyno sheet. The engine has more than 800 rwhp on tap from about 4,750 rpm on up. And this from a perfectly streetable engine content to idle in traffic with the air conditioner on.

But this Corvette was not built with American roads in mind. It was built to burn up European expressways like Germany's famed high-speed autobahn. You know the problem: You're enjoying some happy throttle time on the European super slab when you come up behind a bottleneck of slow-moving Lambos or Ferraris. What to do? In this high-speed hauler, it's never a problem. This Corvette has hit 219 mph with more to go. So just give 'em a courtesy flash or two of the headlights, then step into as much boost as you have nerve for. You are go at throttle up. Swing into the passing lane and watch the problem disappear in the rearview mirror. Maybe kick the air conditioner up a notch or two. Life is good. Should the slow movers catch up to you at your next exit, it's up to you if you want to pop the hood. You might as well. It'd take a keen eye to spot anything tell-tale. The looks on their faces would be suitable for framing.

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Data File: '06 Corvette Z06 Coupe
Owned by: Geigercars, Munchen, Germany
Modified by: Next Level Performance, Altamonte Springs, Florida

Modified production Corvette Z06
Modifications: LG Motorsports Heat extracting hood
Bodywork: Next Level Performance, Altamonte Springs, Florida
Paint: OE Paint

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Frame: OE C6 Corvette with hydroformed side rails; suspension OE C6 Corvette independent short/long arm with composite leaf spring front and rear
Steering: Production GM rack-and-pinion, power-assisted
Brakes: Stoptech four-wheel discs, slotted rotors
Wheels: OZ Racing 20-spoke alloy
Tires: Pirelli PZero Rassa 285/30 ZR19 front, 345/25 ZR20 rear

Twin-turbocharged 427
Built by: Dave Crume, Next Level Performance, Altamonte Springs, Florida
Modifications: World Products Warhawk block, Callies forged steel crankshaft, Oliver connecting rods, coated JE pistons and piston pins, Total Seal stainless steel file-fit rings, piston oilers, coated Clevite bearings
Displacement: 427 cubic inches (7.0 L)
Cylinder heads: World Products aluminum, ported
Ignition: Production coil-on-plug
Induction: APS twin-turbo system, 15 lbs. max boost
Exhaust: APS 3-inch stainless steel w/catalytic converters
Horsepower: 914 (measured on chassis dyno)
Torque: 906 lb-ft (measured on chassis dyno)

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RPM Stage 5 Z06 six-speed manual
Final drive ratio: 3.42:1

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OE '06 Z06 Corvette
Seats: OE '06 Z06 Corvette black leather
Carpets: OE '06 Z06 Corvette nylon cut-pile
Instrumentation: OE Corvette (0-200-mph speedometer, 0-8,000-rpm tach, plus ammeter, oil pressure, oil temperature, coolant temperature, and fuel level gauges) plus fuel pressure/boost gauges on A-pillar
HVAC: OE '06 Corvette


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