1958 Packard Hawk

Specifications

Base Price$3,995

ENGINE

TypeCast iron 90° V8, Silver Light dish-type pistons
Displacement289 cubic inches

Bore X stroke3 9/16 X 3 5/8 inches

Compression ratio7.5:1

Horsepower @ rpm275 @ 4,800

Torque @ rpm333 @ 3,200

ValvetrainIn-head valves, solid lifters

Main bearings5

Fuel system2-bbl Stromberg downdraft carburetor, McCulloch supercharger, 5 p.s.i. max

Ignition systemDelco

Lubrication systemFull-pressure, gear-driven

Electrical system12-volt, 60 amps

Exhaust systemCast iron, dual exhaust

TRANSMISSION

TypeBorg-Warner Flight-O-Matic automatic
Ratios: 1st2.40:1

2nd1.47:1

3rd1.0:1

Reverse2.0:1

DIFFERENTIAL

TypeSemi-floating hypoid, Twin-Traction Spicer-Thornton limited slip

Ratio3.31:1 standard - 3.54, 3.73, 3.92, 4.27:1 optional

STEERING

TypePower assist, Saginaw recirculating ball

Ratio19.2:1

Turns, lock-to-lock4.5

Turning circle41 feet

BRAKES

TypeFour wheel, power-assist Wagner hydraulic

FrontCast-iron finned drum, 11 X 2.5-inches

RearCast-iron drum, 10 X 2-inches

Swept area172.8 square inches

CHASSIS & BODY

ConstructionAll-steel, box section, double-drop side rails, 5 cross members

Body styleTwo-door, five passenger hardtop

LayoutFront engine, rear-wheel drive

SUSPENSION

FrontIndividual unequal-length upper and lower control arms, coil springs, hydraulic shocks, anti-sway bar

RearLive axle, semi-elliptic leaf springs, hydraulic shocks

WHEELS & TIRES

WheelsKelsey-Hays tubeless 5-lug stamped steel

Front/rear5.5 X 14 inches 

TiresBias-ply

Front/rear8.00 X 14 inches

WEIGHTS & MEASURES

Wheelbase120.5 inches

Overall length205.2 inches

Overall width71.3 inches

Overall height54.6 inches

Front track56.7 inches

Rear track55.7 inches

Shipping weight3,470 pounds

CAPACITIES

Crankcase5 quarts

Cooling system18 quarts

Fuel tank18 gallons

Transmission19 pints

CALCULATED DATA

Bhp per c.i.d.1.06

Weight per bhp12.62 pounds

Weight per c.i.d.11.88 pounds

PERFORMANCE

0-6012.0 seconds

¼ mile ET16.7 seconds @ 82.3 mph

Top speed122 mph

Fuel mileage12 mpg city, 20 mpg highway

PRODUCTION

1958 Packard Hawk588