1983-87 Impulse Non-turbo

General Information
Manufacturer
Isuzu Motors, Ltd., Fujisawa, Japan
Importer
American Isuzu Motors, Inc., Whitier, California
Body Style
4-passenger, 2-door hatchback coupe
Drivetrain Layout
Front Engine, Rear Drive
Body/Frame
Uni-body
Price
$9,998-11,696
Options
Carpet floormats, four speed automatic transmission
Typical Market Competition
Toyota Celica, Nissan 200 SX
Dimensions
Wheelbase
96.1 in / 2438 mm
Track
Front
53.4 in / 1356 mm
Rear
53.7 in / 1369 mm
Length
172.6 in / 4385 mm
Width
65.2 in / 1656 mm
Height
51.4 in / 1306 mm
Ground Clearance
5.5 in / 140 mm
Curb Weight
2710-2750 lb
Weight Distribution
65.5/43.5
Cargo Capacity
9.3 cu ft, 16.5 cu ft
Fuel Capacity
15.1 gal
Weight/Power Ratio
30.38 lb/hp
Engine
Type
Inline 4, liquid cooled, cast iron block, cast aluminum head
Bore x Stroke
3.43 in x 3.23 in / 87.0 mm x 82.0 mm
Displacement
119 ci / 1949 cc
Compression Ratio
9.2:1
Valve Gear
SOHC 2 valves per cylinder
Fuel/Induction System
Multipoint EFI
Horsepower
90 HP @ 5000 RPM
Torque
108 lb/ft @ 3000 RPM
Horsepower/Liter
46.2
Maximum Engine Speed
6500 RPM
Recommended Fuel
Unleaded Regular
Driveline
Transmission Type
5-speed Manual
Gear Ratios
First
3.785
Second
2.165
Third
1.413
Fourth
1.000
Fifth
0.787
Axle Ratio
Final Drive Ratio
3.909
Chassis
Suspension
Front
Independent, unequal-length A-arms, coil springs, hydraulic tube shock absorbers, anti-roll bar
Rear
Three link, live axle, torque tube, trailing arm, panhard rod, coil springs, hydraulic tube shock absorbers, anti-roll bar
Steering
Type
Rack and pinion, power assist
Ratio
16.6:1
Turns Lock to Lock
3.1
Turning Circle
34.1 ft
Brakes
Front Type/Diameter
Vented discs, 9.84 in
Rear Type/Diameter
Vented discs, 10.47 in
Anti-Lock
Not offered
Wheels and Tires
Wheel Size
14 x 6
Wheel Type/Material
Cast aluminum
Tire Size
195/60HR14
Tire Manufacturer and Model
Bridgeston Potenza

1985-89 Impulse Turbo, Including 1987 Impulse RS

General Information
Manufacturer
Isuzu Motors, Ltd., Fujisawa, Japan
Importer
American Isuzu Motors, Inc., Whitier, California
Body Style
4-passenger, 2-door hatchback coupe
Drivetrain Layout
Front Engine, Rear Drive
Body/Frame
Uni-body
Price
$13,000-15,054
Options
Carpet floormats, four speed automatic transmission
Typical Market Competition
Honda Prelude Si, Mazda MX-6 GT, Mitsubishi Cordia Turbo, Nissan 200 SX SE, Subaru XT6, Toyota Celica GT-S, Plymouth Laser RS
Dimensions
Wheelbase
96.1 in / 2438 mm
Track
Front
53.3 in / 1353 mm
Rear
53.7 in / 1384 mm
Length
172.6 in / 4385 mm
Width
65.2 in / 1656 mm
Height
51.4 in / 1306 mm
Ground Clearance
5.0 in
Curb Weight
2780-2961 lb
Weight Distribution
57.2/42.8
Cargo Capacity
9.3 cu ft, 16.5 cu ft
Fuel Capacity
15.1 gal
Weight/Power Ratio
21.8 lb/hp
Engine
Type
Inline 4, liquid cooled, cast iron block, cast aluminum head
Bore x Stroke
3.46 in x 3.23 in / 88.0 mm x 82.0 mm
Displacement
122 ci / 1994 cc
Compression Ratio
7.9:1
Valve Gear
SOHC 2 valves per cylinder
Fuel/Induction System
Multipoint EFI, Water-cooled turbocharger with air-to-air intercooler
Horsepower
140 HP @ 5400 RPM
Torque
166 lb/ft @ 3000 RPM
Horsepower/Liter
70.2
Maximum Engine Speed
6500 RPM
Recommended Fuel
Unleaded Regular
Driveline
Transmission Type
5-speed Manual
Gear Ratios
First
3.431
Second
1.963
Third
1.364
Fourth
1.000
Fifth
0.775
Axle Ratio
Final Drive Ratio
3.909
Chassis
Suspension
Front
Independent, unequal-length A-arms, coil springs, hydraulic tube shock absorbers, anti-roll bar
Rear
Five link, live axle, 4 trailing links, trailing arm, panhard rod, coil springs, hydraulic tube shock absorbers, anti-roll bar
Steering
Type
Rack and pinion, power assist
Ratio
16.6:1
Turns Lock to Lock
3.07
Turning Circle
31.5 ft
Brakes
Front Type/Diameter
Vented discs, 9.84 in
Rear Type/Diameter
Vented discs, 10.47 in
Anti-Lock
Not offered
Wheels and Tires
Wheel Size
14 x 6
Wheel Type/Material
Cast aluminum
Tire Size
195/60HR14 or 205/60R14
Tire Manufacturer and Model
Bridgeston Potenza RE71 or Regno

1988-89 Impulse Non-turbo

General Information
Manufacturer
Isuzu Motors, Ltd., Fujisawa, Japan
Importer
American Isuzu Motors, Inc., Whitier, California
Body Style
4-passenger, 2-door hatchback coupe
Drivetrain Layout
Front Engine, Rear Drive
Body/Frame
Uni-body
Price
Options
Carpet floormats, four speed automatic transmission
Typical Market Competition
Toyota Celica, Nissan 200 SX
Dimensions
Wheelbase
96.1 in / 2438 mm
Track
Front
53.3 in / 1353 mm
Rear
53.7 in / 1384 mm
Length
172.6 in / 4385 mm
Width
65.2 in / 1656 mm
Height
51.4 in / 1306 mm
Ground Clearance
5.0 in
Curb Weight
2780-2961 lb
Weight Distribution
57.2/42.8
Cargo Capacity
9.3 cu ft, 16.5 cu ft
Fuel Capacity
15.1 gal
Weight/Power Ratio
26.2 lb/hp
Engine
Type
Inline 4, liquid cooled, cast iron block, cast aluminum head
Bore x Stroke
3.52 in x 3.54 in / 83.9 mm x 90.0 mm
Displacement
138 ci / 2254 cc
Compression Ratio
8.6:1
Valve Gear
SOHC 2 valves per cylinder
Fuel/Induction System
Multipoint EFI
Horsepower
110 HP @ 5000 RPM
Torque
127 lb/ft @ 3000 RPM
Horsepower/Liter
48.8
Maximum Engine Speed
6500 RPM
Recommended Fuel
Unleaded Regular
Driveline
Transmission Type
5-speed Manual
Gear Ratios
First
3.431
Second
1.963
Third
1.364
Fourth
1.000
Fifth
0.775
Axle Ratio
Final Drive Ratio
3.909
Chassis
Suspension
Front
Independent, unequal-length A-arms, coil springs, hydraulic tube shock absorbers, anti-roll bar
Rear
Five link, live axle, 4 trailing links, trailing arm, panhard rod, coil springs, hydraulic tube shock absorbers, anti-roll bar
Steering
Type
Rack and pinion, power assist
Ratio
16.6:1
Turns Lock to Lock
3.07
Turning Circle
31.5 ft
Brakes
Front Type/Diameter
Vented discs, 9.84 in
Rear Type/Diameter
Vented discs, 10.47 in
Anti-Lock
Not offered
Wheels and Tires
Wheel Size
14 x 6
Wheel Type/Material
Cast aluminum
Tire Size
195/60HR14
Tire Manufacturer and Model
Bridgeston Potenza