1) The Chevy Spark has 70 HP/L, which isn't outside any norm for a naturally aspirated engine.
2) Same.
3) The manufacturers establish which oils should be used, same in "Murrica" as in the enlightened Europe.
4) Varies by manufacturer.
Don't forget, in the future you can look these things up.
2) Same.
3) The manufacturers establish which oils should be used, same in "Murrica" as in the enlightened Europe.
4) Varies by manufacturer.
Don't forget, in the future you can look these things up.