Comparison
| Engine Model | Jethrow 4.3 Non-Turbo | Jethrow 4.3 Turbo | Mercruiser 4.3L | Volvo Penta V6-4.3 | Indmar 6.2L | PCM 8.2L |
|---|---|---|---|---|---|---|
| Horsepower | 375 @ 5000 RPM | 600 @ 5500 RPM | 215 @ 4400 RPM | 225 @ 4400 RPM | 330 @ 5600 RPM | 400 @ 4600 RPM |
| Price | $19,700 | $29,700 | $10,500 | $11,000 | $15,000 | $20,000 |
| Weight (lbs) | 470 | 500 | 380 | 385 | 540 | 600 |
| HP/lb | 0.80 | 1.20 | 0.57 | 0.58 | 0.61 | 0.67 |
| Displacement | 4300cc | 4300cc | 4300cc | 4300cc | 6200cc | 8300cc |
| Bore x Stroke | 86x86mm | 86x86mm | 99x84mm | 99x85mm | 105x105mm | 106x104mm |
| Valving | 16V DOHC | 16V DOHC | 12V pushrod | 12V pushrod | 16V pushrod | 16V pushrod |
| Cooling | Liquid | Liquid | Raw Water | Raw Water | Raw Water | Raw Water |
| Compression | 9:1 | 9:1 | 8.0:1 | 8.5:1 | 9.0:1 | 9.2:1 |
| Fuel Delivery | EFI | EFI | MPI | MPI | MPI | MPI |
| TBO hours | 2000 | 2000 | 1500 | 1500 | 1500 | 1500 |