Ilmor MV8 630 Supercharged vs Seven Marine 627 GT
MV8 630 Supercharged
627 GT
| Spec | Ilmor MV8 630 Supercharged | Seven Marine 627 GT |
|---|---|---|
| Power & Performance | ||
| Horsepower | 630 HP | 627 HP |
| Displacement | 6200 cc ← | 6162 cc |
| Configuration | 8 Cyl / V8 (90°) | 8 Cyl / V8 (90°) |
| Weights & Dimensions | ||
| Dry Weight | 450 kg (992 lbs) ← | 496 kg (1094 lbs) |
| Mechanical & Electrical | ||
| Gear Ratio | 1.56 | 1.75 |
| Alternator | 1197 W | 2160 W ← |
| Fuel Delivery | Supercharged EFI | Supercharged EFI |
| Maintenance | ||
| Spark Plug | ACDelco 41-104 | ACDelco 41-104 |
| Engine Oil | 15W-50 Synthetic | 15W-50 Synthetic |
Technical Comparison Analysis
Power & Displacement
Comparing the Ilmor MV8 630 Supercharged and Seven Marine 627 GT shows a displacement difference of 38cc. The Ilmor features a larger 6200cc 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 450kg, offering a weight saving of 46kg 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.