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IROC RACING IROC RACING
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IROC HISTORY & INFORMATION
The IROC race cars are "born" in the South Carolina shop of Mike Laughlin, one of the country's premier builders of stock cars. Laughlin uses steel tubing to form the cars' skeleton, then ships the completed 600-pound chassis to IROC headquarters.

The Engines are modified versions of a GM 350 cubic-inch small-block V-8. Horsepower is a conservative 500 at 6800 rpm in the interest of reliability and durability.

Bodywork is molded by Diversified Glass Products, Inc. of Marlette, Michigan.

Signore and crew assemble the pieces. The completed car weighs 3,500 pounds. The Ease of maintenance is a priority.

Veteran IROC test drivers Dave Marcis, Jim Sauter, Dick Trickle and Andy Hillenburg run the cars before each series event to ensure that chassis suspension settings are the same.

International Race of Champions co-founder, Barbara Signore dies August 7th 2013 at 80 Signore founded the IROC with her husband, Jay
View IROC Official Series Rules

GO

Past Winners of the IROC Races
Mark Donohue 1974
Bobby Unser 1975
AJ Foyt 1976
AJ Foyt 1977
Al Unser 1978
Mario Andretti 1979
Bobby Allison 1980
Cale Yarborough 1984
Harry Gant 1985
Al Unser Jr. 1986
Geoff Bodine 1987
Al Unser Jr. 1988
Terry Labonte 1989
Dale Earnhardt 1990
Rusty Wallace 1991
Ricky Rudd 1992
Davey Allison / Terry Labonte 1993
Mark Martin 1994
Dale Earnhardt 1995
Mark Martin 1996
Mark Martin 1997
Mark Martin 1998
Dale Earnhardt 1999
Dale Earnhardt 2000
Bobby Labonte 2001
Kevin Harvick 2002
Kurt Busch 2003
Matt Kenseth 2004
Mark Martin 2005
Tony Stewart 2006
Delayed until Further Notice or Sponsership 2007

131 LEGENDARY CHAMPIONS THAT HAVE
COMPETED IN THE INTERNATIONAL RACE OF CHAMPIONS


BOBBY ALLISON
DAVEY ALLISON
DONNIE ALLISON
MARIO ANDRETTI
MICHAEL ANDRETTI
MAX ANGELELLI
BUDDY BAKER
JACK BALDWIN
DEREK BELL
JOHNNY BENSON JR.
GREG BIFFLE
MIKE BLISS
GEOFF BODINE
NEIL BONNETT
SEBASTIEN BOURDAIS
GEOFF BRABHAM
KENNY BRACK
MARTIN BRUNDLE
JEFF BURTON
KURT BUSCH
HELIO CASTRONEVES
EDDIE CHEEVER JR.
CHRIS CORD
WALLY DALLENBACH
WALLY DALLENBACH JR.
PATRICK DEPAILLER
MARK DISMORE
SCOTT DIXON
MARK DONOHUE
DALE EARNHARDT
DALE EARNHARDT JR.
BILL ELLIOTT
JUAN FANGIO II
ADRIAN FERNANDEZ
EMERSON FITTIPALDI
GEORGE FOLLMER
A.J. FOYT
HARRY GANT
FELIPE GIAFFONE
TOM GLOY
SCOTT GOODYEAR
JEFF GORDON
ROBBY GORDON
JEFF GREEN
PETER GREGG
ROBERTO GUERRERO
PETE HALSMER
BOBBY HAMILTON
KEVIN HARVICK
HURLEY HAYWOOD
GRAHAM HILL
DAVID HOBBS
AL HOLBERT
SAM HORNISH JR.
DENIS HULME
JAMES HUNT
JACKY ICKX
DALE JARRETT
GORDON JOHNCOCK
JIMMIE JOHNSON
ALAN JONES
DAVY JONES
TOM KENDALL
MATT KENSETH
FRANK KIMMEL
STEVE KINSER
ALAN KULWICKI
TRAVIS KVAPIL
BOBBY LABONTE
TERRY LABONTE
RANDY LaJOIE
DANNY LASOSKI
NIKI LAUDA
BUDDY LAZIER
KLAUS LUDWIG
ARIE LUYENDYK
DAVE MARCIS
STERLING MARLIN
MARK MARTIN
JOCHEN MASS
ROGER McCLUSKEY
RICK MEARS
STEVE MILLEN
GREG MOORE
MIKE MOSLEY
TED MUSGRAVE
RYAN NEWMAN
GUNNER NILSSON
DANNY ONGAIAS
MAX PAPIS
BENNY PARSONS
DAVID PEARSON
RONNIE PETERSON
KYLE PETTY
RICHARD PETTY
SCOTT PRUETT
BOBBY RAHAL
GREG RAY
BRIAN REDMAN
CLAY REGAZZONI
PETER REVSON
BUDDY RICE
CHIP ROBINSON
KEKE ROSBERG
RICKY RUDD
JOHNNY RUTHERFORD
JODY SCHECKTER
KEN SCHRADER
DORSEY SCHROEDER
SCOTT SHARP
TOM SNEVA
JACK SPRAGUE
TONY STEWART
HANS STUCK
DANNY SULLIVAN
WAYNE TAYLOR
MARTIN TRUEX JR.
AL UNSER
AL UNSER JR.
BOBBY UNSER
JIMMY VASSER
RUSTY WALLACE
DARRELL WALTRIP
JOHN WATSON
DON WHITTINGTON
BOB WOLLEK
CALE YARBOROUGH
J.J. YELEY
ALEX ZANARDI

Meet the IROC Racing Car Testing & Setup Crew
Dave Marcus Dick Trickle Jim Sauter Jay Sauter
Dave Marcus Dick Trickle Jim Sauter Jay Sauter


Specifications: 2002 True Value IROC Race Car & Engine
Engine Specifications
Type GM V-8 Cast Iron Block
Bore and Stroke 4.00 X 3.480 in
Displacement 350 cubic inches
Compression Ratio 9.0:1
Power (SAE Net) 500bhp @ 6800 rpm
Torque (SAE Net) 435 lbs-ft @ 5600 rpm
Cylinder Heads 867 Brodix aluminum Weld Tech CNC machined
Engine Gaskets Fel-Pro
Belts and Hoses Dayco
Connecting Rods 6.0" Carillo
Pistons Wiseco Ceramic coated deck with DL coated skirts and pin bores (PolyDyn)
Rings and Bearings Enginetech
Camshaft Roller type Cam Motion
Timing Chain Cloyes Hex-A-Just
Rocker Arms Jesel Roller
Inlet and Exhaust valve Titanium Intake and Stainless Steel Exhaust
Fuel System Variable CFM Race Demon RS (Removable Sleeve Venturi) 4bbl carburetor, Mechanical Fuel Pump
Fuel Cell 33 gallon ATL
Intake Manifold Brodix
Headers 1 3/4 tubing, 32 in. primary
Exhaust System Dr. Gas
Dry Sump Pump SCP
Oil Pan/Tank Stef's
Lines and Fittings (oil and fuel) Aeroquip
Filtration System (oil and fuel) Oberg
Canister Oil Filter Mobil 1
Air Filter 14" X 3" Pleated High Performance
Cooling System Fluidyne aluminum radiator
Ignition System MSD
Spark Plugs Bosch
Instruments Auto Meter
Battery Group 24
Spark plug wires/battery cable Taylor Cable
Specialty Coatings Polymer Dynamics includes pistons, engine bearings, valve covers, oil pans, headers and shifters
Dimensions and Capacities
Wheelbase 105 in.
Track, front/rear 61.5 / 61.5
Length 195 in.
Width 74 in.
Height 49 in.
Ground Clearance 5 in.
Weight 3,500 lbs
Alternator Capacity 578 watts
Fuel Capacity 33 U.S. gallons
Oil Capacity 14 quarts
Water Capacity 24 quarts
Suspension
Iindependent unequal-length control arms, coil springs, anti-sway bar, quick change rear end, rigid axle.
Suspension Components Moog
Shock Absorbers Penske
Steering
Type Power 16.5:1 ratio
Turns lock-to-lock 2.5
Turning Diameter 36.9 feet
Brakes
Front and Rear Carbone Industry 12 in. carbon vented disc
Pads Carbon
Calipers Alcon 4 piston
Wheels and Tires
Wheel Size 9.5 X 15
Wheel Type Aero Steel
Tire Make Goodyear Eagle Radials
Test inflation LF/RF/LR/RR (ovals) 35, 55, 35, 50 psi
Performance
Fuel Mileage 4.5 miles per gallon on Unocal premium fuel
Driveline
Flywheel, clutch Quarter Master
Bell housing Aluminum Quarter Master
Transmission Jerico four-speed
Drive Shaft Dana, aluminum
Differential Quick Change
Bodywork
True Value IROC body DGP, Inc.
Windows Front light: Lexan Rear light: Lexan
Safety Equipment (seat belts) Simpson


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