These are standard specifications for the 1977 MG MGB, not necessarily specifications for the vehicle(s) in the photo(s).
Transmission:
4 Manual Floor lever, all-synchro
Information provided by NHTSA
Data updated June 2024
Features
| Engine Location : | Front |
| Drive Type : | Rear Wheel |
| Body / Chassis : | Steel unibody |
| Production Years for Series : | 1972 - 1980 |
| Price : | $4,355 |
| Weight : | 2285 lbs | 1036.459 kg |
Engine & Transmission
| Inline 4 | |
|---|---|
| Displacement : | 1798 cc | 109.7 cu in. | 1.8 L. |
| Power : | 63 BHP (46 KW) @ 5500 RPM |
| Torque : | 86 Ft-Lbs (117 NM) @ 2500 RPM |
| Bore : | 3.2 in | 80 mm. |
| Stroke : | 3.5 in | 89 mm. |
| Compression : | 8.0:1 |
| Main Bearings : | 5 |
| Construction : | Cast-iron block and head |
| 1 Zenith 175CD5T carburetor | |
| V 8 | |
|---|---|
| Displacement : | 3528 cc | 215.3 cu in. | 3.5 L. |
| Power : | 137 BHP (100.832 KW) @ 5000 RPM |
| Torque : | 193 Ft-Lbs (262 NM) @ 2900 RPM |
| Bore : | 3.5 in | 89 mm. |
| Stroke : | 2.8 in | 71 mm. |
| Compression : | 8.25:1 |
| Cylinder Block : | Aluminum |
| 2 SU Horizontal carburetors | |
4 Manual Floor lever, all-synchro
Gear Ratios
| 1st Gear : | 3.3:1 |
| 2nd Gear : | 2.21:1 |
| 3rd Gear : | 1.40:1 |
| 4th Gear : | 1.00:1 |
Production Figures
| Total MG Production for 1977 : | 34,794 |
| 1977 MG MGB | |
Handling
Recall
| Component | ELECTRICAL SYSTEM:WIRING |
|---|---|
| Manufacturer | JAGUAR CARS |
| NHTSA Campaign ID | 78V164000 |
| Summary | THE OVERDRIVE WIRING HARNESS COULD CHAFE AND CAUSE AN ELECTRICAL SHORT CIRCUIT. |
| Remedy | THE DEALER WILL INSTALL A PROTECTIVE SLEEVE TO THE OVERDRIVE WIRING HARNESS AT THE BASE OF THE GEAR LEVER TO PRECLUDE CHAFING. |
| Notes | VEHICLE DESCRIPTION: PASSENGER VEHICLES.SYSTEM: ELECTRICAL; WIRING HARNESS.CONSEQUENCES OF DEFECT: A SHORT CIRCUIT COULD LEAD TO A VEHICLE FIRE ANDPASSENGER INJURY. |
| 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 | FUEL SYSTEM, GASOLINE:CARBURETOR SYSTEM |
|---|---|
| Manufacturer | JAGUAR CARS |
| Mfr Report Date | 19750601 |
| NHTSA Campaign ID | 78V089000 |
| Summary | THE RETAINING SCREWS ON THE FUEL BOWL HAVE THE POTENTIAL TO LOOSEN, ALLOWING SEEPAGE OF GASOLINE FROM THE CARBURETOR. |
| Remedy | THE DEALER WILL CHECK THE EXHAUST MANIFOLD/CATALYST SYSTEM AND CARBURETOR AND MAKE ANY NECESSARY REPAIRS WITHOUT CHARGE TO OWNER. |
| Notes | VEHICLE DESCRIPTION: PASSENGER VEHICLES.SYSTEM: FUEL; CARBURETOR.CONSEQUENCES OF DEFECT: THIS WOULD CREATE A POTENTIAL RISK OF FIRE AND, IF THEVEHICLE IS IN MOTION, AN ACCIDENT. |
Data updated June 2024
1977 Averages
| Avg. Household Income : | $15,000 |
| Avg. Home : | $49,300 |
| Avg. Gallon of Gas : | $0.65 |
Popular frequently asked questions include:
What are the dimension and mechanical specifications of the 1977 MG MGB?
Q: What is the wheelbase size of the 1977 MG MGB? A: The 1977 MG MGB has a wheelbase size of 91.10 inches.Q: What is the length of the 1977 MG MGB? A: The 1977 MG MGB has a length of 158.30 inches.Q: What is the width of the 1977 MG MGB? A: The 1977 MG MGB has a width of 59.90 inches.Q: How much did the 1977 MG MGB cost when new?A: The 1977 MG MGB had a base price of approximately $4,355 (USD).Q: What is the bodystyle of the 1977 MG MGB? A: The 1977 MG MGB was a Roadster.Q: How many vehicles did MG produce in 1977? A: MG produced 34,794 automobiles in 1977.Q: What engines did the 1977 MG MGB have? A: The 1977 MG MGB had the following engine options: Inline 4 (1798 cc | 109.7 cu in. | 1.8 L.) with 63 BHP (46 KW) @ 5500 RPM and 86 Ft-Lbs (117 NM) @ 2500 RPM V 8 (3528 cc | 215.3 cu in. | 3.5 L.) with 137 BHP (100.832 KW) @ 5000 RPM and 193 Ft-Lbs (262 NM) @ 2900 RPM Q: What transmission did the 1977 MG MGB have? A: The 1977 MG MGB had a 4 speed Manual Floor lever, all-synchro gearbox.