For Tire Dia 28 in. (Software says thats 735 Rev/Mile)
Rear end ratio 4.30:1
StockSpeed Sensor
F or B Body
Auto
Speedometer Scalar: 32
Speedometer Scalar Fraction: 1.012
Speedometer Scalar Scantool: 52.675
Time Between Pulses for Stop: 15.625
Pulses Per Driveshaft Rev: 40
Speed Correction Factor: 0.3892
For 740 Rev/Mile
Rear end ratio 4.30:1
StockSpeed Sensor
F or B Body
Auto
Speedometer Scalar: 32
Speedometer Scalar Fraction: 1.006
Speedometer Scalar Scantool: 53.033
Time Between Pulses for Stop: 15.625
Pulses Per Driveshaft Rev: 40
Speed Correction Factor: 0.3869