Morris Eight generations: what changed, and what did not
The cylinder count is 4 and the layout is Inline — those labels are from the data, not from a guessed engine family. Valves per cylinder: 2. Boost: No. Fuel system: Carburetor. Compression: 6.5. Bore and stroke: 57 × 90, so stroke is 90 ÷ 57 ≈ 1.58 times bore (a long-stroke ratio from the given pair, not an extra measurement). Engine position is not measured.
1 generation ran from 1935-01-01 to 1937-12-31. Body: Sedan. Versions in this generation: 1 — 0.9 MT. There is no second generation to compare, no restyle recorded as a separate generation, and no later Morris Eight row in this dataset. Arithmetic between generations is therefore empty: years in production are 1935 through 1937, modification count is 1, and every measured figure below belongs to that single row. If you are choosing “which generation,” the catalogue answer is 1 generation or nothing; there is no later Eight with more hp, a different gearbox, or a different drive.
Morris Eight specs and engine: the only version, named exactly
| Version | hp | Nm | Displacement (cm³) | Fuel | Cylinders | Layout | Boost | Gearbox | Drive |
|---|---|---|---|---|---|---|---|---|---|
| 0.9 MT | 23 | not measured | 919 | Gasoline | 4 | Inline | No | Manual 4 | RWD |
0.9 MT is the only row. Specific output from the given numbers is 23 hp ÷ 0.919 L ≈ 25.0 hp per litre, or 17 kW ÷ 0.919 L ≈ 18.5 kW per litre. Peak power is quoted at 4300 rpm; torque and the rpm of peak torque are not measured, so you cannot rank this engine on pulling power, only on the 23 hp / 17 kW peak and the 919 cm³ size.
The cylinder count is 4 and the layout is Inline — those labels are from the data, not from a guessed engine family. Valves per cylinder: 2. Boost: No. Fuel system: Carburetor. Compression: 6.5. Bore and stroke: 57 × 90, so stroke is 90 ÷ 57 ≈ 1.58 times bore (a long-stroke ratio from the given pair, not an extra measurement). Engine position is not measured.
Gearbox is Manual with 4 gears. Drive is RWD. There is no Automatic, no extra ratio count, and no second driven-axle option in the table, so “what the extra money buys” cannot be a second gearbox or a second drive: those columns do not change because there is only 0.9 MT.
Performance, top speed, and mpg: what is measured
0–100 is not measured for 0.9 MT. Top speed is 93. City, highway, and combined consumption are not measured; mpg is therefore not measured. CO2 is not measured. Eco class is not measured.
What you can still compare is mass versus the 23 hp peak. Kerb weight 780 kg ÷ 23 hp ≈ 33.9 kg per horsepower. Equivalently, 23 hp ÷ 780 kg ≈ 0.0295 hp per kg. Those ratios are arithmetic on catalogue figures; they are not a 0–100 time. Without a measured 0–100, do not treat 33.9 kg/hp as a sprint ranking against cars that have a timed run — it only says how much kerb mass sits on each of the 23 hp.
Fuel economy is not measured, so tank size is the only energy-store number: 25 L. You cannot convert 25 L into range without a consumption figure. If a listing quotes mpg or a 0–100 for this model, that figure is outside this dataset.
Dimensions, weight, tank, and clearance
Kerb weight: 780 kg (0.9 MT). Gross vehicle weight: not measured. Ground clearance: not measured. Wheel size: not measured. Fuel tank: 25 L.
Front suspension: Dependent, leaf spring. Rear suspension: Dependent, leaf spring. Front brakes: Drum. Rear brakes: Drum. Those labels are the same at both ends; there is no second Morris Eight version with a different axle or brake type to buy “up” into.
Because gross weight is not measured, payload is not measured (you cannot subtract kerb from a missing gross). Because wheels are not measured, you cannot specify tyre diameter or load index. The 780 kg kerb and 25 L tank are the only size-adjacent numbers a buyer can use from this catalogue.
Which Morris Eight version to buy and why
There is one version: 0.9 MT. The buying question collapses to whether these numbers are the car you want.
Power and engine. You get 23 hp and 17 kW at 4300 rpm from 919 cm³ Gasoline, Inline 4, 2 valves per cylinder, boost No, Carburetor, compression 6.5. Specific output ≈ 25.0 hp/L. If you need more than 23 hp, a different gearbox, or a drive other than RWD, this catalogue has no other Eight to step to.
Mass versus power. 780 kg kerb on 23 hp is ≈ 33.9 kg/hp. That is the only weight-to-power figure in the range. A lighter or heavier Eight is not listed.
Speed and acceleration. Top speed 93 is measured. 0–100 is not measured. Do not infer a 0–100 from 93 or from 33.9 kg/hp.
Economy. mpg / L/100 km city, highway, and combined are not measured. The tank is 25 L. Range is not measured.
Chassis. Manual 4, RWD, Dependent leaf spring front and rear, Drum front and Drum rear. No alternative chassis pack exists in 1 generation.
What extra money cannot buy here. With one row, there is no arithmetic of “+X hp for version B” and no generation-to-generation change in displacement, gears, or drive. The only named specification to match on a listing is 0.9 MT (23 hp, 919 cm³, Manual 4, RWD, 1935-01-01 to 1937-12-31, Sedan). If a car is labelled Morris Eight but is not this engine/gearbox/drive set, it is outside the versions in this data.
Reliability and problems. This dataset does not measure reliability, common faults, or service intervals. Those topics are not in the numbers; treat them as not measured rather than as absent from the car.
Practical check against a listing. Confirm the badge 0.9 MT, Gasoline 919 cm³, 23 hp / 17 kW at 4300 rpm, Inline 4, 2 valves per cylinder, boost No, Carburetor, compression 6.5, 57 × 90, Manual 4, RWD, kerb 780 kg, tank 25 L, top speed 93, Sedan, 1 generation 1935–1937. Nm, 0–100, mpg, CO2, eco class, gross weight, clearance, wheels, engine position, and fuel grade: not measured — so a seller’s extra figures are not catalogue facts from this source.
Bottom line. Buy 0.9 MT if you want the only Morris Eight specification in this catalogue: 23 hp from 919 cm³, ≈ 25.0 hp/L, 780 kg kerb (≈ 33.9 kg/hp), Manual 4, RWD, top speed 93, 25 L tank, Sedan, 1935–1937. There is no second version and no later generation to prefer on power, economy, or weight.