“InTheKnow” Pages Useful Tranny Info
Most all Saginaw & Muncie Trannies have “rings” or lines on the input shaft. The number of rings tell you the gear ratios. The chart below gives you the ratio info for respective rings.
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Gear Ratios |
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Saginaw 3 Speed |
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Lines |
1st |
2.nd |
3rd |
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No |
2.85 |
1.68 |
1.00 |
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1 |
2.54 |
1.50 |
1.00 |
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2 |
3.11 |
1.84 |
1.00 |
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3 |
3.50 |
1.89 |
1.00 |
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Saginaw 4 Speed |
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Lines |
1st |
2.nd |
3rd |
4th |
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No |
2.84 |
2.01 |
1.35 |
1.00 |
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1 |
2.54 |
1.80 |
1.44 |
1.00 |
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2 |
3.11 |
2.20 |
1.47 |
1.00 |
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3 |
3.50 |
2.47 |
1.65 |
1.00 |
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Muncie 4 Speed |
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Lines |
1st |
2.nd |
3rd |
4th |
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No |
2.56 |
1.91 |
1.48 |
1.00 |
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1 |
2.20 |
1.84 |
1.28 |
1.00 |
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2 |
2.52 |
1.88 |
1.46 |
1.00 |
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Second Design T-10 (Super T-10) |
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Lines |
1st |
2.nd |
3rd |
4th |
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2 |
2.43 |
1.61 |
1.23 |
1.00 |
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3 |
2.64 |
1.75 |
1.33 |
1.00 |
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5 |
3.42 |
2.28 |
1.46 |
1.00 |
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6 |
2.88 |
1.91 |
1.33 |
1.00 |
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