Gearbox numbers and ratios manual transmission

Tire size195/60-15
Gearbox numberGM 55806
Primary drive number8
Final drive3.89
RPMSpeed km/h
1.2.3.4.5.
10008.715.222.931.839.8
125010.91928.639.749.8
150013.122.834.447.659.7
175015.326.640.155.669.7
200017.430.445.863.579.7
225019.634.251.571.489.6
250021.83857.379.499.6
27502441.86387.3109.5
300026.245.668.795.3119.5
325028.449.474.5103.2129.4
350030.553.280.2111.1139.4
375032.75785.9119.1149.4
400034.960.891.6127159.3
425037.164.697.4134.9169.3
450039.368.4103.1142.9179.2
475041.472.2108.8150.8189.2
500043.676114.6158.8199.2
525045.879.8120.3166.7209.1
55004883.6126174.6219.1
575050.287.4131.7182.6229
600052.391.1137.5190.5239
625054.594.9143.2198.5248.9
650056.798.7148.9206.4258.9
Primary drive number45678
Number of teeth drive/output31/3030/2731/2632/2533/24
Gear ratio0.970.90.840.780.72
<– shorter longer –>
Gearbox #Gearbox individual ratio    Original gear Total gear ratio    
1er2er3er4er5erPrimaryAxle1er2er3er4er5er
GM 344083.882.21.47111.0333.6713.787.795.223.553.55
GM 345063.882.191.47111.1113.6712.817.244.863.33.3
GM 344083.882.191.47111.1113.6712.817.244.863.33.3
GM 455104.532.561.721.2411.1113.6714.968.465.674.083.3
GM 456064.532.561.721.2411.1923.6713.947.885.293.83.08
GM 456014.532.561.721.2411.1923.6713.947.885.283.83.07
GM 456124.552.651.741.2511.1923.8914.858.645.664.093.26
GM 456144.572.621.741.2611.1923.8914.918.565.684.13.26
GM 457104.392.481.671.20.971.243.6712.997.344.933.542.86
GM 457124.412.571.681.210.971.243.8913.848.055.273.813.04
GM 457144.432.541.691.220.971.243.8913.897.985.293.823.04
GM 547144.432.541.691.220.971.243.8913.897.985.293.823.04
GM 546024.532.561.721.2411.1923.6713.947.885.283.83.07
GM 547024.392.481.671.20.971.243.6712.997.344.933.542.86
GM 547044.412.571.681.210.971.243.8913.848.055.273.813.04
GM 547064.432.541.691.220.971.243.8913.897.985.293.823.04
GM 547124.392.481.671.20.971.243.6712.997.344.933.542.86
GM 548044.552.651.741.2611.3753.8912.887.494.913.552.83
GM 548064.572.621.741.2611.3753.8912.927.424.923.552.83

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