1993 Pontiac Firebird Owner's Manual - Page 71
1993 Pontiac Firebird Manual
Page 71 highlights
Features 81Controls Shift Speeds (MANUAL TRANSMISSION) This chart shows when toshift to the next higher gear for best fuel economy. MANUAL TRANSMISSION RECOMMEINDED SHIFT SPEEDS, IN MIPH (kmlh) Engine 3.4L L32 (Code S) 5.7L LTI (Code P) Acceleration .Shift Speed 1 to2 13-1 6 (21-25) 2 to 3 21-28 (34-35) 25 (40) 3 to 4 I 4to5 5 to 8 6 W/A 50 32-37 (51-59) 40 (64) 1 dW 8 If your speed drops below 20 mph (30 km/h), or if the engine is not running smoothly, you should downshift to the next lower gear. You. may have to downshifl two or more gears to keep the engine running smoothly or for g o d performance. 15 (24) 45-47 (72-75) 45 (72) II 2 when you downshift, you could lose control of your vehicle. And you could injure yourself or others, Don't shift from 6 to 3,s to 2 or 4 to 1. . I . 70 I