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This IROC has had many notable drivers behind the wheel.
Indy Champion and Dancing with the Stars champion Helio Castroneves ran the car at Texas Motor Speedway in 2005. His teammate, three-time Indy Champion and Nascar Sprint condenter, Sam Hornish Jr., also drove the car.
Road racing champion Max Papis (who also drove for Penske) was also behind the wheel of the IROC.
But perhaps one of the most notable drivers is five-time IROC Champion Mark Martin, who clinched his 5th IROC championship in 2005 while driving this car during the season finale at Atlanta Motor Speedway.
Note: This car was built in 2004 for the 2005-2006 racing season, but it is technically a 1996.
Engine:
- CNC Race Block V-8
- Bore and stroke: 4.00 x 3.480 in
- Displacement/Compression ratio: 350 Cubic inches / 9.0:1
- Power/Torque (SAE Net): 500 bhp @ 6800 rpm/435 lbs-ft@5600 rpm
- Cylinder heads: 867 Brodix aluminum CNC machined
- Connecting Rods: 6.0″ Carrillo
- Pistons: Wiseco Ceramic coated deck/DL coated skirts
- Camshaft: roller type cam motion
- Rocker arms/timing belt: Jesel
- Inlet and exhaust valve: titanimum intake and stainles steel exhaust
- Fuel system: 4bbl carburetor, mechanical fuel pump
- Intake manifold: brodix
- Headers: Stahl 1 3/4 tubing, 32 in. primary/dr. gas
- Dry sump: SCP pump/stef’s paan & tank
- Lines and fittings (oil and fuel): aeroquip
- Cooling system: fluidyne aluminum radiator
- Ignition system: MSD
Chassis:
- Laughlin Racing Products
- Wheelbase/Track: 105 in./ 61/5
Suspension:
Independent unequal lenth control arms, coil springs, anti-sway bar, quick change rear end, rigid axle.
Shocks: Penske
Brakes:
- Front/rear: Brembo 12.9 in frt/12.6 rear carbon vented disc
- Front/rear calipers: Brembo 6 piston fronts, 4 piston rears
Driveline:
- Flywheel, clutch & bell housing: Quarter Master
- Transmission, driveshaft & rear end: Jerrico 4 speed, Dana aluminum, Quick Change
Body:
- IROC body by Diversified Glass Products, inc.
- Lexan windows
- Simpson seatbelts
Wheels & Tires:
- Wheel size: 9.5 x 15
- Tires: Goodyear Easgle Radials
Instrumentation:
- Two way radio communications (supplied by Racing electronics)
- Auto-meter
Included/Spares:
- Race course conversion kit
- Brake duct cooling front and rear
- Brake bias adjuster
- Windshield wipers
- Windshield defogger
- Lights and wiring harness
- headlight and tail/stop light
- 4/ea springs
- 1/ea ront sway bar
- 2/ea rear bar assembly
- Race car dollies
- Race car wheel stands
- Race car cover
- Manual
- Race books
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