COMPARING APPLES TO ORANGES
NHRA Pro Stock Car vs. NASCAR Stock Car
A comparison between Kurt Johnson’s
ACDelco Chevrolet NHRA Pro Stock Cobalt and a Chevrolet NASCAR Sprint Cup Series Impala SS COT
NHRA Pro Stock Car vs. NASCAR Stock Car
A comparison between Kurt Johnson’s
ACDelco Chevrolet NHRA Pro Stock Cobalt and a Chevrolet NASCAR Sprint Cup Series Impala SS COT
NHRA |
Year |
NASCAR |
GENERAL |
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Chevrolet |
Manufacturer |
Chevrolet |
Cobalt |
Model |
Impala SS |
2,350 lbs. w/driver |
Vehicle Weight |
3,400 lbs. w/o driver |
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|
|
ENGINE |
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General Motors DRCE (Drag Racing Competition Engine) |
Type |
General Motors SB2 V-8 |
500 cubic inches |
Displacement |
358 cubic inches |
1,400 @ 9,800 rpm |
Horsepower |
825 @ 8,500 rpm |
835 ft/lb @ 8,000 rpm |
Torque |
525 ft/lb @ 7,500 rpm |
14.7:1 |
Compression Ratio |
12:1 |
Dry sump, 8 qt. capacity |
Lubrication System |
Dry sump, 16 qt. capacity |
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|
|
CHASSIS |
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Chrome moly steel tubing |
Chassis |
Rectangular steel tubing w/ integral roll cage |
Carbon fiber/Kevlar composite |
Body |
Fabricated Steel |
198” |
Overall Length |
200.7” |
67” |
Width |
72.5 “ |
105” |
Wheelbase |
110” |
MacPherson Strut |
Suspension (front) |
Independent coil springs,Twin control arms |
Four-link with axle-mounted wheelie bars |
Suspension (rear) |
Trailing arm with, coil springs, Panhard bar, full-floating axle |
Rack-and-pinion |
Steering |
Power rack-and-pinion |
Carbon fiber discs |
Brakes (front) |
Vented Steel Discs |
Carbon fiber discs |
Brakes (rear) |
Vented Steel Discs |
Computerized system with multiple reference pts. |
Data Acquisition System |
Not Allowed |
Front air dam, adjustable rear spoiler w/wickerbill |
Aerodynamics |
Front air dam, adjustable rear wing |
25.0 x 4.5 x 15 |
Tires (front) |
27.5 x 12 x 15 |
33 x 17 x15 |
Tires (rear) |
27.5 x 12 x15 |
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|
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PERFORMANCE/MISCELLANEOUS |
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3 gallons |
Fuel Capacity |
17.75 gallons |
Under 1 sec. |
0-60 time |
6.21 sec. (app.) |
209.92 mph (1/4 mi.) |
Top Speed |
189.70 mph (October Talladega pole) |
$270,000 |
Cost to build car |
$200,000* |
5 |
At-track Crew Members |
18 |
* - Note: The Sprint Cup Series Team bring two complete race cars to each event and usually have a fleet of over 15, while the NHRA team has the one car which they will use for the entire 24-race season.