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SVTPerformance's Chain of Restaurants
Road Side Pub
Rear Gears
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<blockquote data-quote="Torch10th" data-source="post: 15529305" data-attributes="member: 15703"><p>Lower numerical gearing applies greater torque multiplication. This effect is throughout the rpm band and regardless speed. Increasing torque will always increase acceleration. The downside is you lower your maximum possible speed.</p><p></p><p>You can do the math for all of the gears, but if you take your 1:1 gear you can kind of see how it'll effect your car at speed.</p><p></p><p>Stock you have your engine making 650 ft lbs of torque multiplied only by the final drive ratio of 2.63 which gives you effective torque of 1709.5 ft lbs. Going to a 3.09 gear set, increases your effective torque to 2008.5 ft lbs. A difference of almost 300 ft lbs of torque in your 1:1 drive gear.</p><p></p><p>Which gear do you think is going to accelerate the car quicker? Overall speed is reduced however. the 1:1 gear in a Hellcat with stock gearing will move the car to around 184 mph based on a 28" tall tire, the factory gear and a 5800rpm redline. Moving to the 3.09 will bring your 1:1 gear top speed down to 156 based on those same factors.</p></blockquote><p></p>
[QUOTE="Torch10th, post: 15529305, member: 15703"] Lower numerical gearing applies greater torque multiplication. This effect is throughout the rpm band and regardless speed. Increasing torque will always increase acceleration. The downside is you lower your maximum possible speed. You can do the math for all of the gears, but if you take your 1:1 gear you can kind of see how it'll effect your car at speed. Stock you have your engine making 650 ft lbs of torque multiplied only by the final drive ratio of 2.63 which gives you effective torque of 1709.5 ft lbs. Going to a 3.09 gear set, increases your effective torque to 2008.5 ft lbs. A difference of almost 300 ft lbs of torque in your 1:1 drive gear. Which gear do you think is going to accelerate the car quicker? Overall speed is reduced however. the 1:1 gear in a Hellcat with stock gearing will move the car to around 184 mph based on a 28" tall tire, the factory gear and a 5800rpm redline. Moving to the 3.09 will bring your 1:1 gear top speed down to 156 based on those same factors. [/QUOTE]
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SVTPerformance's Chain of Restaurants
Road Side Pub
Rear Gears
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