1. Small Block V8:
- 283 cubic inch (4.6L): Approximately 400-450 lbs (181-204 kg)
- 305 cubic inch (5.0L): Approximately 450-500 lbs (204-227 kg)
- 350 cubic inch (5.7L): Approximately 500-550 lbs (227-249 kg)
2. Big Block V8:
- 396 cubic inch (6.5L): Approximately 550-600 lbs (249-272 kg)
- 427 cubic inch (7.0L): Approximately 600-650 lbs (272-295 kg)
- 454 cubic inch (7.4L): Approximately 650-700 lbs (295-318 kg)
3. Inline-Four:
- 1.6L (Ecotec): Approximately 250-275 lbs (113-125 kg)
- 2.0L (Ecotec): Approximately 300-325 lbs (136-148 kg)
4. Inline-Six:
- 235 cubic inch (3.8L): Approximately 350-400 lbs (159-181 kg)
- 250 cubic inch (4.1L): Approximately 400-450 lbs (181-204 kg)
It's important to note that these weights can vary depending on factors such as the specific engine variant, the year of production, and any additional components or modifications that may have been made to the engine.