So far, I was looking for an Andoria 2.4l 4C90 engine based Żuk: recent, as fitted since 1991, and diesel with 7L/100km consumption instead of 14L/100km for the 2.1l S-21.
S-21 itself is an improvement of the M-20, original engine of the FSO Warszawa, basis of both FSC Żuk and ZSD Nysa van. So we are talking about quite an old design.
| Żuk A 03 ’58 | Żuk A11B ’76 | Żuk A 07 ’91 | |
|---|---|---|---|
| Total lenght (Długość całkowita): | 4310 mm | 4400 mm | 4400 mm |
| Engine (Silnik): | M-20 | S-21 | 4C90 |
| Cylinders (Liczba cylindrów): | 4 | 4 | 4 |
| Układ rozrządu: | SV | OHV | SOHC |
| Displacement (Pojemność skokowa): | 2120 cm³ | 2120 cm³ | 2417 cm³ |
| Maximum power (Moc maksymalna): | 54 KM | 70 KM | 70 KM |
| Maximum torque (Moment maks.): | 122 Nm/2200 rpm. | 150 Nm/2500 rpm. | 146 Nm/2500 rpm. |
| Fuel consumption (Zużycie paliwa): | 14 l/100 km | 14 l/100 km | 7 l/100 km |
| Maximum speed (Prędkość maksymalna): | 90 km/h | 100 km/h | 95 km/h |
| Pow. skrzyni ładunkowej: | 4 m² | 4,6 m² | 4 m² |
| Ładowność: | 800 kg | 950 kg | 900 kg |
| Masa własna: | 1340 kg | 1400 kg | 1400 kg |
| Number of gears (Liczba biegów): | 3+1 | 3+1 | 4+1 |
Clearly, an M-20 based Żuk is not an option: no power (54 bhp), not much torque and mad fuel consumption.
However S-21 is said to be reliable, easy to maintain and fix. The fuel consumption is a no-go, obviously, but a fair amount of Żuk are fitted with LPG system. That could be a valid alternative to a 4C90.
A 4C90 being diesel SOHC, Single OverHead Camshaft, requires, by principle, less attention than petrol OVH, OverHead Valve (no ignition/timing issue, etc).
Great to see someone else has gone through engine alternatives! This engine is stunning. I only hope after my conversion and testing, I can re-assemble to make my engine as clean as this! Congrats. Do you have pictures fitted also?
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Ahem Andy, this video is not mine. It was made before I even bought my Żuk. For now, I am still at the prepare-for-paint step. Engine tuning will come later.
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