Seven Marine 575 V8 vs Ilmor MV8 520 (High Performance)
575 V8
MV8 520 (High Performance)
| Spec | Seven Marine 575 V8 | Ilmor MV8 520 (High Performance) |
|---|---|---|
| Power & Performance | ||
| Horsepower | 575 HP | 520 HP |
| Displacement | 6162 cc | 7440 cc ← |
| Configuration | 8 Cyl / V8 (90°) | 8 Cyl / V8 (90°) |
| Weights & Dimensions | ||
| Dry Weight | 496 kg (1094 lbs) | 465 kg (1025 lbs) ← |
| Mechanical & Electrical | ||
| Gear Ratio | 1.75 | 1.56 |
| Alternator | 2160 W ← | 1197 W |
| Fuel Delivery | Supercharged EFI | EFI |
| Maintenance | ||
| Spark Plug | ACDelco 41-104 | ACDelco 41-110 |
| Engine Oil | 15W-50 Synthetic | 15W-50 Synthetic |
Technical Comparison Analysis
Power & Displacement
Comparing the Seven Marine 575 V8 and Ilmor MV8 520 (High Performance) shows a displacement difference of 1278cc. The Ilmor features a larger 7440cc block, which typically provides superior low-end torque and better hole-shot performance when pushing heavy loads or reaching planning speeds.
Weight & Rigging
In terms of transom weight, the Ilmor is the lighter option at 465kg, offering a weight saving of 31kg over its competitor. This weight reduction is critical for smaller hulls or boats with limited transom capacity where every kilogram affects the center of gravity and drainage efficiency.
Electrical & Features
For boats equipped with modern electronics, sonar, and shallow-water anchors, the Seven Marine offers the best charging performance with a 2160W alternator. Choosing the right power-to-weight profile between these two 4-stroke engines depends heavily on your specific boat's displacement and daily power requirements.