C-West S2k sets new FR record at Buttonwillow with stock JDM Motor
Here's the spec of the Cobalt from GM's website
Chevy Cobalt SS Supercharged Time Attack Unlimited Specifications
Body/chassis structure Unibody
Body material Two sided galvanized steel; carbon fiber doors, hood, decklid, rear wing, front and side rocker extensions, roof
Chassis material Two sided galvanized steel, carbon fiber roof
Suspension (Front) Macpherson strut, no front bar, increased spring rates, Ohlins double adjustable struts
Suspension (Rear) Twisting beam with adjustable sway bar, increased spring rate, Ohlins double adjustable shocks
Wheels 9.5 x 17
Tire size (Front) 245/40R17
Tire size (Rear) Same as front
Tire brand Hoosier DOT
Brakes 310 x 26 - vented discs front
270 x 14 - solid discs rear
Powertrain
Engine Stage 2+ equipped 2.0L ECOTEC LSJ with Eaton M-62 Gen 5 Hybrid supercharger , larger injectors and 77.9 mm pulley
Engine displacement (cu. in / cc) 122 / 2000
Horsepower maximum (hp) 283 @ 6840 rpm
380 @ 6700 rpm with nitrous
Torque maximum (lb.-ft.) 243 @ 4200 rpm
387 @ 3500 rpm with nitrous
Transmission F35 5-speed manual with 4.45 final drive
Dimensions
Height (inches) 55.7
Length (inches) 180.3
Width (inches) 67.9
Wheelbase (inches) 103.3
Track Front / rear (inches) 57.1 / 58.1 nominal
Weight (lbs / kg) 2350 / 1066
Chevy Cobalt SS Supercharged Time Attack Unlimited Specifications
Body/chassis structure Unibody
Body material Two sided galvanized steel; carbon fiber doors, hood, decklid, rear wing, front and side rocker extensions, roof
Chassis material Two sided galvanized steel, carbon fiber roof
Suspension (Front) Macpherson strut, no front bar, increased spring rates, Ohlins double adjustable struts
Suspension (Rear) Twisting beam with adjustable sway bar, increased spring rate, Ohlins double adjustable shocks
Wheels 9.5 x 17
Tire size (Front) 245/40R17
Tire size (Rear) Same as front
Tire brand Hoosier DOT
Brakes 310 x 26 - vented discs front
270 x 14 - solid discs rear
Powertrain
Engine Stage 2+ equipped 2.0L ECOTEC LSJ with Eaton M-62 Gen 5 Hybrid supercharger , larger injectors and 77.9 mm pulley
Engine displacement (cu. in / cc) 122 / 2000
Horsepower maximum (hp) 283 @ 6840 rpm
380 @ 6700 rpm with nitrous
Torque maximum (lb.-ft.) 243 @ 4200 rpm
387 @ 3500 rpm with nitrous
Transmission F35 5-speed manual with 4.45 final drive
Dimensions
Height (inches) 55.7
Length (inches) 180.3
Width (inches) 67.9
Wheelbase (inches) 103.3
Track Front / rear (inches) 57.1 / 58.1 nominal
Weight (lbs / kg) 2350 / 1066
remember it's time attack sessions, so they can go back to the docks and swap bottles if needed
most of the cars in these TA will not last endurance races or be safe for that type of event.
most of the cars in these TA will not last endurance races or be safe for that type of event.
Originally Posted by 350ZNV
I have never heard of a track car using nitrous. I wonder how many laps it takes for the bottle to run out?
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Perhaps even more impressive is that Chevy Cobalt's time...

