2005 Jaguar XK8 4.2 Coupe Automatic gear ratio calculator

With 2005 Jaguar XK8 4.2 Coupe Automatic Gear Ratio Calculator you can see the theoretical top speeds in all gears. You can change tire dimensions to calculate the effect on top speed and gearing. It will help you to find the best gear ratios for your racing car and to understand when it is the best time to change a gear.

Maximum Power RPM:		Revolutions per minute when reaching the top of the power curve.
			Width	Profile	Wheel diameter
Tire Diameter [mm]:		OR
	Numbers of teeth		Gear Ratio
Final Drive Ratio:	x	OR
1st Gear Ratio:	x	OR
2nd Gear Ratio:	x	OR
3rd Gear Ratio:	x	OR
4th Gear Ratio:	x	OR
5th Gear Ratio:	x	OR
6th Gear Ratio:	x	OR
Speed in:
https://cargister.websys.sk/calculator-gear-ratio?rpm=4000&final_ratio_teeths[]=&final_ratio_teeths[]=&fdr=2.1&diameter=676.8&ratio[1]=4.2&ratio[2]=2.3&ratio[3]=1.5&ratio[4]=1.1&ratio[5]=0.9&ratio[6]=0.7&speed_in=kmh&width=245&profile=50&wheel_diameter=17&teeths[1][]=&teeths[2][]=&teeths[1][]=&teeths[2][]=&teeths[1][]=&teeths[2][]=&teeths[1][]=&teeths[2][]=&teeths[1][]=&teeths[2][]=&teeths[1][]=&teeths[2][]=

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Gear shift	Difference after shifting	RPM after shifting
from 1st Gear to 2nd Gear	1810	2190
from 2nd Gear to 3rd Gear	1391	2609
from 3rd Gear to 4th Gear	1067	2933
from 4th Gear to 5th Gear	727	3273
from 5th Gear to 6th Gear	889	3111

kmh / RPM	1000	2000	3000	4000
1st Gear	14.5	28.9	43.4	57.9
2nd Gear	26.4	52.8	79.2	105.7
3rd Gear	40.5	81	121.5	162
4th Gear	55.2	110.5	165.7	220.9
5th Gear	67.5	135	202.5	270
6th Gear	86.8	173.6	260.4	347.1

This calculator is completely based on mathematical formulas to be useful to you. Try the Transmission Gear Ratio Calculator now.