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Discussion Starter #1
I found this formula that works most of the time:

weight of car kilogrammes
0-60 time = ----------------------
maximum bhp of car * 0.9

For example the 3.5L= 3800lbs/2.205= 1723 kg/250x0.9= 7.66 sec

The 5.7L = 4100lbs/2.205= 1859 kg/350x0.9= 5.90 sec

SRT8 = 4200lbs/2.205= 1905/425x0.9= 4.98 sec
 

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Another one that works is take half the weight of the car in pounds divided by the engine horsepower. Ex.

Charger:

3.5: (3800/2)/250 = 7.60 seconds
5.7: (4100/2)/340 = 6.03 seconds
6.1: (4200/2)/425 = 4.94 seconds
 
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