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1981
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Corvette Standard Trans
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Tune-Up - V8
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Replacement Intervals
Replacement Intervals
Component
Interval (Miles)
Oil Filter
4.91 (301") Turbo (Every oil change)
3, 000
All Other Engines (Every other oil change)
15, 000
Air Filter
30, 000
PCV Valve & Filter
30, 000
Spark Plugs
30, 000