Realm Runner Chassis

DR-4 for CSR

Specifications

• Chassis construction: tubeframe
• Body construction: hand laid composite
• Engine: Suzuki Hayabusa 1300cc to turbocharged 1600cc
• Front Suspension: unequal A arms
• Rear Suspension: three link
• Shocks: AFCO
• Springs: AFCO coilovers
• Wheels: Kodiak 8.5" & 10.5"
• Brakes: Wilwood
• Gearbox: 6 speed sequential
• Anti-Roll Bars: front and rear
• Instrumentation: tach, oil pressure, water temperature
• Special Features: front engine; low cost and maintenance; minimum race prep necessary
• Changes for 2004: new bodywork, aerodynamic improvements; new frame with lighter weight, more rear weight bias, and greater torsional stiffness
• Price: $29,500 complete
  $28,500 complete (listed on Downs' web site)

Contact

Downs Engineering
19564 Eighth St East
Sonoma, CA 95476
(707) 938-1011
fax (707) 935-0481

Specifications from the
Downs Engineering web site

• VEHICLE:
  • Type: front-engine, rear wheel drive
    Full Body Single Seat
• BODY:
  • Body material: fiberglass with light gel coat
• CHASSIS:
  • Lower Frame Rails: 1.25"x 1.25" x .065 wall
  • Main Roll Cage: 1.5"x .095 wall round tube
• ENGINE: Suzuki Hayabusa:
  • Type: 4-in-line, aluminum block and head, Water-cooled
  • Displacement: 1298 cc
  • Carburetion: Electronic Fuel Injection
  • Power: 185 bhp
• DRIVE SYSTEM:
  • Transmission: 6-speed
  • Automotive drive shaft
  • Final-drive ratio: 4.11:1
• BRAKES:
  • Front: 10.25 x .75 inch disc
  • Rear: 10.25 x .75 inch disc
• WHEELS and TIRES:
  • Wheel size:
     8.5" x 13 inch Front
    10.5"x 13 inch Rear
  • Wheel type: Alloy
  • Race Tires
• SUSPENSION:
  • F/R fully adjustable mounting points, coil springs, adjustable shock absorbers
  • Front individual unequal-length control arms
  • Rear: live axle located by 2 trailing links, 1 center link.
• STEERING:
  • Type: racing rack and pinion 12:1 ratio
• DIMENSIONS AND CAPACITIES:
  • Wheelbase: 80.0 inches
  • Track: F/R: 55.0/53.0 in.
  • Length: 135.0 inches
  • Width: 66.0 inches
  • Height: 42.5 inches
  • Oil capacity: 5.0 qt.
• FUEL:
  • Fuel capacity: 8.0 gallons
  • Fuel type: pump gas
• WEIGHT:
  • Curb weight: 975 lbs.
  • Weight distribution, F/R:
    46% front / 54% rear
• SAFETY:
  • Roll Over Bar structures built to a 2000-lb car spec
  • Restraint system: manual 5-point harness
  • Fire system: 5-lb. Halon remote fire system
  • Fuel: 8-gallon fuel cell
  • Brakes: dual master cylinder and balance bar
  • Driver side anti-intrusion bar
• SEAT:
  • Front Seat: Aluminum racing bucket style