What does the LS stand for in Chevy engines?

Related questions

1. What LS engine has the most horsepower?
2. Is the LSX 454 a small block?
3. Can you put ls3 heads on a lq4?
4. Is the LSX 454 a big block?
5. What's the difference between ls7 and LSX?
6. What is an LSX?
7. What is the strongest Chevy engine?
8. What is the difference between an LSX and a LS?
9. What year did the lq4 come out?
10. What's better lq4 or lq9?

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2. #drive
3. #block
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5. #primary
6. #generation
7. #trucks
8. #small
9. #motors
10. #beginning
11. #designation
12. #engine
13. #recycled
14. #based