Once optimized, repeat the same procedure for the 2-3 shift
and the 3-4 shift.
NOTE: These tables are for general reference ONLY.
Vehicles will vary slightly depending on tire height
and accuracy of the tachometer.
14
Camaro/Firebird/Corvette automatic transmission shift tables*
Rear gear ratios 2.59:1 & 2.73:1 1-2 shift 1 mph = 110 rpm
2-3 shift 1 mph = 55 rpm
3-4 shift 1 mph = 35 rpm
Rear gear ratios 3.07:1 & 3.23:1 1-2 shift 1 mph = 130 rpm
2-3 shift 1 mph = 70 rpm
3-4 shift 1 mph = 40 rpm
Rear gear ratios 3.42:1 & 3.45:1 1-2 shift 1 mph = 135 rpm
2-3 shift 1 mph = 70 rpm
3-4 shift 1 mph = 40 rpm
Rear gear ratios 3.70:1 & 3.73:1 1-2 shift 1 mph = 150 rpm
2-3 shift 1 mph = 80 rpm
3-4 shift 1 mph = 50 rpm
Rear gear ratios 4.09:1 & 4.10:1 1-2 shift 1 mph = 165 rpm
2-3 shift 1 mph = 90 rpm
3-4 shift 1 mph = 55 rpm
Rear gear ratio 4.56:1 1-2 shift 1 mph = 185 rpm
2-3 shift 1 mph = 100 rpm
3-4 shift 1 mph = 60 rpm
Impala SS/Caprice/Roadmaster automatic transmission shift tables*
Rear gear ratios 2.93:1 & 3.08:1 1-2 shift 1 mph = 120 rpm
2-3 shift 1 mph = 65 rpm
3-4 shift 1 mph = 40 rpm
Rear gear ratio 3.23:1 1-2 shift 1 mph = 125 rpm
2-3 shift 1 mph = 65 rpm
3-4 shift 1 mph = 40 rpm
Rear gear ratio 3.42:1 1-2 shift 1 mph = 135 rpm
2-3 shift 1 mph = 70 rpm
3-4 shift 1 mph = 45 rpm
Rear gear ratio 3.73:1 1-2 shift 1 mph = 145 rpm
2-3 shift 1 mph = 75 rpm
3-4 shift 1 mph = 50 rpm
Rear gear ratio 4.10:1 1-2 shift 1 mph = 160 rpm
2-3 shift 1 mph = 85 rpm
3-4 shift 1 mph = 55 rpm
*Shift tables based on stock tire height
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