built to conquer the greatest battle of all. your ... - World Challenge

The Cars
BMW 328i
Class: SPEED TOURING CAR
Years Eligible: 2006 -
Vehicle Type: Front engine, rear wheel drive, two or four door sedan
Engine Layout: Inline 6, aluminum/magnesium block, aluminum head.
Displacement: 2554cc (156 ci)
Valves: 24
Compression: 11:1
Induction: Naturally Aspirated
Maximum Boost: N.A.
Maximum Engine Speed: 8300 rpm
Horsepower (Estimated): 275 bhp
Torque (Estimated): 225 lb-ft.
Wheelbase: 106.3"
Wheel Size: 8x17"
Tire Size: 235/40/17
Forward Gears: 5
Differential: Limited Slip.
Other modifications: Suspension arms and links may be replaced with alternate,
adjustable links. The 330i 3.0 liter engine may also be used, with substantially fewer modifications
and similar power output to the 2.5 liter engine.
History: Replacing the older 3-series body style, which won 17 races and nine poles, the
E46 3-series made its debut in 2000. It won both the Drivers' and Manufacturers'
Championships for BMW in the 2003 and 2004 Touring Car seasons.
Poles (Most Recent): 14 (Sebring, 2006)
Wins (Most Recent): 14 (Road America, 2008)
142 2009 SCCA Pro Racing SPEED World Challenge Media Guide
DODGE SRT-4
Class: SPEED TOURING CAR
Years Eligible: 2004 - 2006
Vehicle Type: Front engine, front wheel drive, four door sedan
Engine Layout: Inline 4, Iron block and aluminum head
Displacement: 2458cc (150 ci)
Valves: 16
Compression: 8.8:1
Induction: Turbocharged
Maximum Boost: 1400 mbar (20.3 psi)
Maximum Engine Speed: 6600 rpm
Horsepower (Estimated): 275 bhp
Torque (Estimated): 225 lb-ft.
Wheelbase: 105"
Wheel Size: 8x17"
Tire Size: 235/40/17
Forward Gears: 5
Differential: Limited Slip
Other modifications: Alternate control arms and suspension brackets are permitted.
History: Became eligible in 2005 and ran first full season.
Best Qualifying: 5 (Road America, 2006)
Best Result: 3 (Road America, 2006)
2009 SCCA Pro Racing SPEED World Challenge Media Guide 143
The Cars