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1. In 1980, Alfa Romeo introduced the first:

A. exaggerated valve-timing
B. static valve-timing
C. inverted valve-timing
D. variable valve-timing

system to smooth a rough idle caused by ignition and camshaft timing changes.


Sagot :

Final answer:

Alfa Romeo introduced variable valve-timing in 1980 to improve engine performance by adjusting valve timing.


Explanation:

Variable valve-timing was introduced by Alfa Romeo in 1980 to address rough idle issues caused by ignition and camshaft timing changes. This system allowed for adjustments in the timing of valve opening and closing to optimize engine performance.


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