BMW Racing ...
Publié : 05 févr. 2009, 22:09 PM
Alpina Returns to Racing with B6 GT3
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gnico a écrit :
Chassis Specifications
Weight
-1150 kg
Fuel Tank capacity:
-110 Litres
Chassis:
- Unitary construction steel body with welded safety cell made of extremely rigid precision steel tubing
- Safety fuel tank in CRP sandwich tray
- Pneumatic four-stamp jack system
Aerodynamics:
- Front fenders, rear apron, hood, roof, trunk lid, rear wing, front wings, and flared rear wheel arches in CRP
Transmission:
- Carbon fiber clutch with hydraulic central slave cylinder
- 6-speed sequential racing transmission with straight-cut, unsynchronized gears
- Additional oil/air cooler
- Quick shift system with ignition cut-out controlled by shifting force
- Mechanical limited slip differential with additional oil/air cooler
Front axle:
- Based on production version
- Increased wheel caster angle
- Enlarged track width and enhanced wheel camber
- Five-way adjustable shock absorbers
- Tubular stabilizer bar
Rear axle:
- Based on production version
- Enlarged track width and enhanced wheel camber
- Five-way adjustable shock absorbers
- Tubular stabilizer bar
Front brake system:
- Six-piston aluminum brake calipers
- Inner-vented grey-cast iron brake disks
- 15.0 in./380mm in diameter
Rear brake system:
- Four-piston aluminum brake calipers
- Grey-cast iron brake disk
- 13.1 in./332mm in diameter
Steering:
- Rack and pinion steering with electro-hydraulic power
Wheels:
- 18 in. Volk Racing Forged Magnesium
Motor Specifications
Type:
- BMW P65 32-Valve All Aluminum DOHC V8
- 8 throttle bodies with CRP load-charge optimized ram tubes
- Single Cylinder Multi-Point Injection
- Dry Sump Lubrication System
Capacity:
- 3.9 liter/3999 cc
Bore x stroke:
- 92 x 75.2 mm/3.62 x 2.96 in.
Max. output:
- Approx. 485 bhp / 368 lb-ft
Engine management:
- BMW Motorsport ECU 408 with two high-performance micro-processors
- Individual cylinder injection and ignition
- BMW Motorsport Lambda Controller
- Pit speed limiter
- Quick Shift function;
- Engine data memory system
http://www.youtube.com/watch?v=Jhy6dln_SjU
http://www.youtube.com/watch?v=Z7aDRm0mokk
