ISUZU PIAZZA TURBO - Specifications
Engine
| ENGINE CODE | 4ZC1-T |
| CONFIGURATION | 4-CYL INLINE |
| CAPACITY | 1994cc |
| BORE/STROKE | 88/82mm |
| MAX POWER | 147.5bhp @ 5400rpm |
| MAX TORQUE | 167lb ft @ 3000rpm |
| BLOCK | CAST IRON |
| CYLINDER HEAD | ALUMINIUM ALLOY |
| VALVE TRAIN | SOHC, BELT DRIVEN, 2-VALVES PER CYL |
| COMPRESSION | 7.9:1 |
| VALVE CLEARANCE INLET (COLD) | 0.15mm |
| VALVE CLEARANCE EXHAUST (COLD) | 0.25mm |
| ENGINE OIL | 10W/30 OR 10W/40 MINERAL OR SEMI-SYNTHETIC |
| OIL CAPACITY | 3.6 LITRES WITH OIL FILTER 3.2 LITRES WITHOUT OIL FILTER |
Performance and Fuel Consumption
| 0-60MPH | 8.3 SECONDS |
| TOP SPEED | 127.5MPH |
| URBAN MPG | 21.7 |
| CONSTANT 56MPH | 37.7 |
| CONSTANT 75MPH | 30.1 |
| DRAG COEFFICIENT | 0.33 |
| FUEL TANK CAPACITY GAL/LTR | 12.8/58 |
| FUEL TYPE | 97 RON PETROL |
| UNLEADED | YES |
Suspension
| FRONT | DOUBLE WISHBONES, COIL SPRINGS, ANTI-ROLL BAR |
| REAR | LIVE AXLE LOCATED BY FOUR TRAILING LINKS AND PANHARD ROD, COIL SPRINGS, ANTI-ROLL BAR |
Brakes
| FRONT | VENTILATED DISCS DIAMETER 250mm (PRE-LOTUS) DIAMETER 260mm (LOTUS) |
| REAR | VENTILATED DISCS DIAMETER 260mm |
| HANDBRAKE | SHOES INSIDE HUB OF REAR BRAKE DISCS |
| SERVO | SINGLE DIAPHRAGM ON MANUALS >FJ7199999 TANDEM DIAPHRAGM ON MANUALS FK7100001> AND ALL AUTOMATICS |
| CIRCUIT | DIAGONAL SPLIT |
Transmission
Manual
| CONFIGURATION | LONGITUDINAL FRONT ENGINE/REAR DRIVE |
| 1st GEAR RATIO | 0.78 |
| 2nd | 1.00 |
| 3rd | 1.36 |
| 4th | 1.96 |
| 5th | 3.43 |
| REVERSE | 3.40 |
| GEARBOX FLUID | 10W/30 ENGINE OIL |
| GEARBOX CAPACITY | 1.55 LITRES |
| CLUTCH | 3 PIECE, DRY PLATE, RECESSED FLYWHEEL |
| CLUTCH ACTUATION | HYDRAULIC |
| CLUTCH FLUID | DoT3 BRAKE & CLUTCH FLUID |
Automatic
| "R" RATIO | 2.704 |
| "D" RATIOS | FIRST - 2.826 SECOND - 1.493 THIRD - 1.000 OVERDRIVE - 0.688 |
| GEARBOX FLUID | DEXRON II |
| GEARBOX CAPACITY | 6.5 LITRES |
Rear Axle
| AXLE TYPE | BANJO TYPE, SEMI-FLOATING |
| FINAL GEAR TYPE | HYPOID |
| FINAL GEAR RATIO | 3.909 |
| OIL CAPACITY | 1.5 LITRES |
| AXLE OIL (NON-LSD) | EP80W/90 |
| AXLE OIL (LSD)* | CASTROL HYPOY LS |
*All pre-Lotus cars with manual transmission were fitted with a Limited Slip Differential; this feature was an extra-cost option on manual transmission Handling by Lotus models and is identified on both variants by the option code "G80" on the specification plate, riveted to the engine compartment firewall directly behind the engine. None of the automatic transmission Piazzas were fitted with LSDs.