CAR SPECIFICATIONS - TRIUMPH TR7 1975-1981
| VEHICLE IDENTIFICATION | |
|---|---|
| Vin Plate | On front turrent |
| Vehicle Number Location | Adjacent to the left hand door striker plate. |
| Body Number Location | On a plate fixed to the center of the upper horizontal radiator support. |
| Engine Number Location | On the cylinder block between the carburetors. |
| Gearbox Number Location | Upper right hand side of the gearbox casing |
| Rear Axle Number Location | Bottom flange of the axle housing. |
| TUNE UP | |
| Engine Firing Order | 1-3-4-2 (#1 is closest to the radiator) |
| Valve Rocker Clearance | Inlet 0.008 in. (0.2 mm), Exhaust 0.018 (0.457mm) |
| Idle Speed | 800 RPM +/- 100 RPM |
| Fast Idle Speed (engine hot) | 1500 to 1700 RPM |
| Static Ignition Timing | 10 degrees BTDC |
| Dynamic Ignition Timing | (1975) 10 degrees BTDC @ 800 RPM, (1976-1980) 2 degrees ATDC @ 800 RPM |
| Timing Mark Location | Located on the crankshaft pulley |
| Distributor Make/Type | Delco Remy Series D302, Lucas 47DE4 Opus electronic |
| Contact Breaker (points) Gap | Delco - Points gap 0.014-0.016 in. (0.34-0.41 mm), Lucas - Pick-up air gap 0.014-0.016 in. (0.34-0.4 |
| Rotation of Rotor | Anti-Clockwise |
| Dwell Angle | 39 degrees |
| Ignition Coil Make/Type | AC Delco coil, Lucas 15C6 coil |
| Primary Resistance | 1.3 -1.5 ohms |
| Spark Plug Make/Type | (Early models) Champion N-11Y, (Late models) Champion N-12Y |
| Spark Plug Gap | 0.025 in. (0.64 mm) |
| Carburetor Make/Type | (1975-1976 California) Dual Zenith Stromberg 175CD-4TV, (1975-1976 Federal) Dual Zenith Stromberg 175CD-SEVX, (1977) Dual Zenith Stromberg 175CD-FEVX, (1978-1979) Dual Zenith Stromberg 175CD-FVX, (1980-1981) Bosch electronic fuel injection |
| Carburetor Main Jet | |
| Carburetor Main Jet Needle | (1975-1976) 45C, (1977-1979 Federal) B1DH, (1977-1979 California) B1EP, (1980) B1EP |
| Carburetor Piston Spring | Zenith B18277 in Red (Moss Motors part # 365-780) |
| VEHICLE & ENGINE | |
| Length | 164.3 in.(4173 mm) |
| Width | 66.2in. (1681 mm) |
| Height | 49.9 in. (1268 mm) |
| Ground Clearance | 3.5-4.5 in. (90-114 mm) depending on mode land loading |
| Track Front | 55.5 in. (1409 mm) |
| Track Rear | 55.3 in. (1404 mm) |
| Wheelbase | 85 in. (2160 mm) |
| Turning Circle | 31.5 feet (9.5 m) |
| Toe-In | 0-1/16 in. (0-1.6 mm) |
| Unladen Weight | 4-Speed 2158 lbs. (979 kgs.), 5-speed 2264 lbs. (1027 kgs.) |
| Curb Weight | 4-Speed 2249 lbs. (1020 kgs.), 5-speed 2355 lbs. (1068 kgs.) |
| Gross Weight | 4-Speed 2820 lbs. (1279 kgs.), 5-speed 2906 lbs. (1318 kgs.) |
| Original Tire Size | 175/70 HR 13 |
| Original Tire Pressure Front (Cold) | 24 lb./in. square (1.68 kg/square cm) |
| Original Tire Pressure Rear (Cold) | 28 lb./in. square (1.96 kg/square cm) |
| Replacement Tire Size | 175/70 HR -13 |
| Engine Type | (Early model) SOHC, 4-cyl, inclined 40 degrees to vertical. (Late model) SOHC, 4-cyl, inclined 45 degrees to vertical. |
| Engine Displacement | 122 cu.in.(1998 cc) |
| Compresssion Ratio | 8.0:1 |
| Engine Bore | 3.56 in. (90.3 mm) |
| Engine Stroke | 3.07 in. (78.0mm) |
| Number of Cylinders | Four |
| Oil Pressure Idle | |
| Oil Pressure Normal | 50 lb/in2 or 3.5kgf/cm2 (nominal) |
| Oil Pressure. Warning Light | Goes out at 3 to 5 Lbs/in2 or 0.21 to 0.35 kgf / cm2 |
| Ignition Type | (Early models) Contact Breaker type AC Delco ignition, (Late model) Opus electronic ignition Lucas 47DE4 |
| Fuel System Type | (1975-1979) Dual Zentih Stromberg side draft carburetors, (1980-1981) Lucas electronic fuel injection |
| Fuel Pump Make/Type | AC mechanically operated diaphragm type. |
| Fuel Tank Capacity | 14.4 US gallons, 12.0 Imperial gallons, or 55.5 liters |
| Cooling System Capacity (2 valves) | 16.0 pints with heater (7.7 litres) |
| Cooling System Capacity (4 valves) | 16.9 US pints, 14.1 Imperial pints, or 8 liters with reservoir & heater |
| Sump Capacity (drain & refill with oil filter) | 9.5 US pints, 8.0 Imperial pints, or 4.5 liters. |
| Sump Capacity (drain & refill with oil filter) | 8.4 US pints, 7.0 Imperial pints, or 4.0 liters |
| Gearbox Capacity, 4-speed, from dry | 2.4 US pints, 2.0 Imperial Pints, or 1.1 liters |
| Gearbox Capacity, 5-speed, from dry | 3.3 US pints, 2.7 Imperial pints, or 1.5 liters |
| Gearbox Capacity, automatic, w/cooler | 11.4 US pints, 9.5 Imperial pints, or 5.4 liters (all cars w/automatic trans had trans fluid coolers) |
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