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



http://www.competitionplus.com/2006_08/photos/brainerd/saturday-k-johnsonDSD_851010.JPG

 

 

 

 

 

 

 

 

 

 

 


NHRA

Year

NASCAR

GENERAL

Chevrolet

Manufacturer

Chevrolet

Cobalt

Model

Impala SS

2,350 lbs. w/driver

Vehicle Weight

3,400 lbs. w/o driver

 

 

 

ENGINE

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

 

 

 

CHASSIS

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

 

 

 

PERFORMANCE/MISCELLANEOUS

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.

Categories: