1998 Chevrolet Corvette Owner's Manual - Page 83

Shift Speeds (Manual Transmission) This chart shows when to shift to thenext higher gear for best fuel economy. Manual Transmission Recommended Shift Speeds in mph (kmih) NOTICE: When you are shifting gears, don't move the gearshift lever around needlessly. This can damage parts of the transmission and may require costly repair. Shift directly into the next appropriate gear. Engine .Acceleration Shift Speed One to Four Light (Manual Transmission) When this light comes on, you can only shift from F'IRST (1) to FOURTH (4) instead of FIRST (1) to SECOND (2). You must complete the shift into FOURTH (4) to deactivate this feature. This helps you get the best possible fuel economy. Engines If your engine speed drops below 900 rpm, or if the engine isnot running smoothly, you should downshift to the next lower gear. You may have to downshift two or more gears to keep the engine running smoothly or for good performance. IT04 SHIFT to After shifting to FOURTH (4), you may downshift a lower gear if you prefer. 2-30