1978 Triumph TR7 Specifications

Specifications

1975 1976 1978 1979 1980

Features

Engine Location :	Front
Drive Type :	Rear Wheel
Body / Chassis :	Steel unibody
Production Years for Series :	1975 - 1981
Price :	$5,150
Weight :	2250 lbs \| 1020.583 kg

Engine & Transmission

Inline 4
Displacement :	1998 cc \| 121.9 cu in. \| 2.0 L.
Power :	85 BHP (62.56 KW) @ 5000 RPM
Torque :	102 Ft-Lbs (138 NM) @ 3000 RPM
Bore :	3.6 in \| 90 mm.
Stroke :	3.1 in \| 78 mm.
Compression :	8.0:1
Main Bearings :	5
Cylinder Block :	Cast-iron
Cylinder Head :	Light Alloy
2 Stromberg carburetors

Transmission:
5 Manual , 3 Automatic

Production Figures

Total Triumph Production for 1978 :	16,447
TR7 Production (1975-1981) :	112,368
1978 Triumph TR7

Handling

Recall

Component	SEAT BELTS:FRONT
Manufacturer	JAGUAR CARS
NHTSA Campaign ID	85V059000
Summary	WIDESPREAD LACK OF UNDERSTANDING ABOUT THE OPERATION OF WEBBING SENSITIVE AND DUAL SENSITIVE SEAT BELTS HAS LEAD TO NON-USE OF BELTS BY A NUMBER OF OWNERS. SOME BELTS RETRACTORS MAY JAM, BIND OR LOCK. THIS MAY DISCOURAGE THE USE OF THE SAFETY BELTS. CONSEQUENCE OF DEFECT: NON-USE OF SEAT BELTS SUBJECTS OCCUPANTS TO RISK OF INJURY IN EVENT OF AN ACCIDENT OR SUDDEN BRAKING.
Remedy	INSTRUCTINS ON PROPER BELT USAGE AND SIMPLE CHECKS WILL BE SENT TO OWNERS AND WILL REPLACE ANY MALFUNCTIONING RETRACTOR.
Notes	VEHICLE DESCRIPTION:TWO DOOR ROADSTERS AND COUPES PASSENGER CARS.SYSTEM: SEAT BELTS.

Component	EXTERIOR LIGHTING:HEADLIGHTS
Manufacturer	JAGUAR CARS
Mfr Report Date	19750201
NHTSA Campaign ID	79V166000
Summary	THE HEADLAMP MOTOR COULD FAIL DUE TO CORROSION OF THE MOTOR AND LIMIT SWITCH ASSEMBLY. SHOULD THE MOTOR OR THE LIMIT SWITCH FAIL, THE HEADLAMP ASSEMBLY COULD STICK IN EITHER THE UP OR DOWN POSITION.
Remedy	DEALER WILL INSTALL AN IMPROVED SEALED LIMIT SWITCH OR A NEW HEADLAMP MOTOR, IF NECESSARY, WITHOUT CHARGE TO OWNER.
Notes	VEHICLE DESCRIPTION: PASSENGER VEHICLES.SYSTEM: ELECTRICAL; HEADLAMP MOTOR.CONSEQUENCES OF DEFECT: SHOULD THE HEADLAMP SWITCH BECOME STUCK IN THE DOWNPOSITION, DECREASED VISIBILITY DURING ADVERSE WEATHER OR NIGHT DRIVINGCONDITIONS COULD RESULT IN AN ACCIDENT.NOTE: IF MOTOR OR LIMIT SWITCH FAILURE OCCURS, THE HEADLAMP ASSEMBLY CAN BERAISED OR LOWERED MANUALLY BY ROTATING THE KNOB SITUATED BELOW THE HEADLAMPMOTOR; THE UNDERHOOD LABEL AND OWNER'S HANDBOOK CONTAIN INSTRUCTIONS FOR THISPROCEDURE.

Component	VISIBILITY:WINDSHIELD WIPER/WASHER
Manufacturer	JAGUAR CARS
Mfr Report Date	19750201
NHTSA Campaign ID	78V012000
Summary	THERE MAY BE A MALFUNCTION IN THE WINDSHIELD WIPER SYSTEM DUE TO ANY OF THE FOLLOWING: (1) INCORRECT TIGHTENING OF THE WIPER WHEEL BOXES DURING VEHICLE ASSEMBLY, (2) EXCESSIVELY HIGH FRICTION/DRAG OF WIPER BLADES OR (3) WATER ENTRY INTO WINDSHIELD WIPER MOTOR.
Remedy	DEALER WILL LUBRICATE AND RETIGHTEN WIPERS AND FIT THE WIPER WHEELBOXES WITH SPACERS. A PROTECTIVE SHROUD WILL ALSO BE FITTED OVER THE WIPER MOTOR TO PREVENT WATER ENTRY.
Notes	VEHICLE DESCRIPTION: PASSENGER VEHICLES.SYSTEM: VISUAL; WINDSHIELD WIPER.CONSEQUENCES OF DEFECT: FAILURE OF THE WINDSHIELD WIPER SYSTEM MAY OCCUR,WITHOUT WARNING. THIS WOULD INTERFERE WITH DRIVER VISIBILITY IN BAD WEATHER,AND COULD LEAD TO A VEHICLE ACCIDENT.

Information provided by NHTSA
Data updated June 2024

1978 Averages

Avg. Household Income :	$17,000
Avg. Home :	$54,800
Avg. Gallon of Gas :	$0.63

1978 Triumph TR7 FAQs (show)

Popular frequently asked questions include:

What are the dimension and mechanical specifications of the 1978 Triumph TR7?
How many 1978 Triumph TR7 were produced?
How powerful was the 1978 Triumph TR7? Was the 1978 Triumph TR7 popular? Was the 1978 Triumph TR7 expensive? What was the fuel economy of the 1978 Triumph TR7?

Q: What is the wheelbase size of the 1978 Triumph TR7? A: The 1978 Triumph TR7 has a wheelbase size of 85.00 inches.

Q: What is the length of the 1978 Triumph TR7? A: The 1978 Triumph TR7 has a length of 164.50 inches.

Q: What is the width of the 1978 Triumph TR7? A: The 1978 Triumph TR7 has a width of 66.20 inches.

Q: How much did the 1978 Triumph TR7 cost when new?A: The 1978 Triumph TR7 had a base price of approximately $5,150 (USD).

Q: What is the bodystyle of the 1978 Triumph TR7? A: The 1978 Triumph TR7 was a Coupe.

Q: How many vehicles did Triumph produce in 1978? A: Triumph produced 16,447 automobiles in 1978.

Q: How many TR7 were produced? A: Triumph produced 112,368 examples of the TR7 from 1975 to 1981.

Q: What engine did the 1978 Triumph TR7 have? A: The engine powering the 1978 Triumph TR7 was a Inline 4 (1998 cc | 121.9 cu in. | 2.0 L.) with 85 BHP (62.56 KW) @ 5000 RPM and 102 Ft-Lbs (138 NM) @ 3000 RPM.

Q: What transmissions did the 1978 Triumph TR7 have? A: The 1978 Triumph TR7 had the following gearbox options: 5 speed Manual, 3 speed Automatic.