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Wheel/tire info:Tranny info:Total GearRPM input:
Overrides RPM input for selected gear
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Tire width:275First gear ratio:2.66% drop10.906Max RPM (all gears):6250<-- either/or -->Max RPM by gear
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Aspect ratio:40Second gear ratio:1.7833.1%7.2981st
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Wheel diameter:17Third gear ratio:1.327.0%5.332nd
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Known Tire Diameter
(overrides above):
Fourth gear ratio:123.1%4.13rd
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Tire diameter:25.661Fifth gear ratio:0.7426.0%3.034MPH input:4th
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Tire circumference:80.618Sixth gear ratio:0.532.4%2.05MPH:655th
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Width10.827Driveshaft RPM: 3,491 6th
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Revs/mile785.931Rear end:
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Drive ratio:4.10Target Mph (4th Gr)
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Speedo drive gear6MPH:128
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Speedo driven gear needed19.334Results:Rear Gear Needed:3.728
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Driven gear recommended19MPH inputRPM inputRPM Input
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Driven gear selected19Resulting RPM'sResulting MPHNext gear's rpm
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Speedo error (+ reads high)1.76%First gear 9,286 44 4,182
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Second gear 6,214 65 4,565
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speedo vs. actual101.76%Third gear 4,538 90 4,808
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Actual speed65Fourth gear 3,491 116 4,625
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Speedometer offset0Fifth gear 2,583 157 4,223
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My reading66.14233448Sixth gear 1,745 233 vs. T5 (equiv rear):3.037037037
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COLLECTED DATA9" Gear Ratios8.8" Gear Ratios
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9" Gear RatiosTiresTransmissionsAvailable RatiosAvailable Ratios
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Ring and Pinion RatioC5 Corvette rear275/40/18
C6 Corvette Std/Z06/Viperspec
3550/TKO(10in28out/26in31out)&TKO500
T56 Mag1 (same as '03 Cobra)
G-force 1ZF6-650F250MP3SL2 (1995-2002)3.00:1 (4)2.73
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2013 GT500285/35/202.666 or 73.272.662.985.793.253.25:1 (3)3.08
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3.00:1 (4)Cobra R 9"275/40/171.7833.08%1.9839.45%1.7833.08%1.9933.22%3.343.01%1.9540.00%3.40:1 (1)3.27
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3.25:1 (3)Stock 5.0225/60/151.326.97%1.3432.32%1.326.97%1.3532.16%2.136.36%1.42327.03%3.45:1 (1)3.31?
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3.40:1 (1)225/55/16123.08%125.37%123.08%125.93%1.3137.62%1.03327.41%3.50:1 (15)3.55
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3.45:1 (1)Hoosier 17" DRs335/35/17 (25.7")0.7426.00%0.67532.50%0.820.00%0.8317.00%123.66%0.7329.33%3.55:1 (2)3.73
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3.50:1 (15)M&H 17" DRs325/45/170.532.43%0.6321.25%0.6324.10%0.7228.00%4.0633.60:1 (1)3.90
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3.55:1 (2)390/40/173.423.70:1 (14)4.10
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3.60:1 (1)Toyo DRs345/40/17C6 Corvette (Z51)3550/TKO(10in28out/26in31out)&TKO500T56 Mag2G-force 33.75:1 (1)4.30
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3.70:1 (14)Mickey T's295/45/17 (11" wheel)2.973.272.972.623.80:1 (1)
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3.75:1 (1)285/40/182.0730.30%1.9839.45%2.129.29%1.7333.97%3.82:1 (1)
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3.80:1 (1)F250265/75/16-E1.4330.92%1.3432.32%1.4630.48%1.3521.97%3.89:1 (15)
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3.82:1 (1)BFG DR295/35/18 (old)130.07%125.37%131.51%125.93%4.00:1 (1)
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3.89:1 (15)Nitto295/35/180.7129.00%0.67532.50%0.7426.00%0.8317.00%4.11:1 (16)
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4.00:1 (1)275/40/180.5719.72%0.532.43%0.6324.10%4.22:1 (1)
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4.11:1 (16)3.424.29:1 (3)
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4.22:1 (1)G-force 2
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4.29:1 (3)C6 Corvette 4L65-E
WC T5 86.5-89 Mustang (rated 265 ft-lbs)
WC T5 90-93(2.95 1st for T5Z)
2.714.30:1 (2)
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3.063.357(83-89) or 8(90+)3.357(83-89) or 8(90+)1.7933.95%4.33:1 (2)
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4.30:1 (2)1.6346.73%1.9342.39%1.9342.39%1.327.37%4.44:1 (1)
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4.33:1 (2)138.65%1.2933.16%1.2634.72%123.08%4.50:1 (1)
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4.44:1 (1)0.730.00%122.48%120.63%0.8614.00%4.56:1 (8)
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4.50:1 (1)100.00%0.67532.50%0.67532.50%0.6623.26%4.57:1 (7)
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4.56:1 (8)#DIV/0!4.63:1 (1)
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4.57:1 (7)2.73 or 3.15Gforce 44.71:1 (4)
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4.63:1 (1)2013 GT500TKO 6002.294.78:1 (1)
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4.71:1 (4)2.662.871.5831.00%4.86:1 (14)
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4.78:1 (1)1.8231.58%1.8934.15%1.224.05%5.00:1 (7)
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4.86:1 (14)1.328.57%1.2832.28%116.67%5.13:1 (1)
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5.00:1 (7)123.08%121.88%0.8614.00%5.14:1 (8)
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5.13:1 (1)0.7723.00%.82 or .6418% or 36%0.7611.63%5.25:1 (2)
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5.14:1 (8)0.535.06%5.29:1 (11)
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5.25:1 (2)
3.315.37:1 (1)
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5.29:1 (11)
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5.37:1 (1)
True Gear ratios5.43:1 (12)
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NameactualRingpinion5.50:1 (1)
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5.43:1 (12)2.732.72727272730115.57:1 (1)
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5.50:1 (1)
3.083.08333333337125.67:1 (10)
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5.57:1 (1)
3.273.27272727336115.83:1 (9)
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5.67:1 (10)3.313.30769230843136.00:1 (8)
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5.83:1 (9)3.553.54545454539116.14:1 (1)
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6.00:1 (8)3.733.72727272741116.20:1 (8)
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6.14:1 (1)3.913.90909090943116.33:1 (6)
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6.20:1 (8)4.104.141106.50:1 (8)
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6.33:1 (6)
4.304.343106.66:1 (2)
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6.50:1 (8)
4.564.5555555564196.80:1 (1)
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6.66:1 (2)
4.884.8753986.83:1 (2)
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6.80:1 (1)7.00:1 (3)
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6.83:1 (2)7.16:1 (1)
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7.00:1 (3)7.33:1 (1)
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7.16:1 (1)
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7.33:1 (1)
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