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Discussion Starter #1
I currently have a 3.15 gear auto trans 2013
What is the best gears for drag racing, after all my research i believe its 4.10s
Installation is free for me, but would i need a tune when i put gears, thanks for any info given
 

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IMO 4.10 is too much for a DD, i would do 3.73 have the best of both worlds :)
The difference between a 3.31 and 3.73 is about .2 in the 1/4 mile so its not a BIG improvement but with 3.73 will be more responsive and more fun for the street.
Plus 4.10 on a long trip will get annoying as HELL
 

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McQueen said:
IMO 4.10 is too much for a DD, i would do 3.73 have the best of both worlds :)
The difference between a 3.31 and 3.73 is about .2 in the 1/4 mile so its not a BIG improvement but with 3.73 will be more responsive and more fun for the street.
Plus 4.10 on a long trip will get annoying as HELL
I have 3.73
 

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I'd drag racing is your only goal go big. 4.56 or higher. If you need to drive it around town the 3.73 are great and a nice tradeoff would be 3.90.
 

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I had 4.10's on my 1984 with AOD, and drove all over with no complaints, on the 2013 I'd say it's even easier with the 2 overdrives to get away with it. Thats my next step, in the spring, along with lightweight weld wheels and slicks.
 

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Also depends on if a SC or turbo is in your future. That shorter gear will end up hurting your ET if you go taller than a 3.73. If your staying NA than go for the 4.10, if boosting go with a 3.53 or 3.73 max. I'm also a 2011 auto, chose 3.73. RPMs went from 75mph @ 2,000, to about 2,400. Eat a bit more gas but eff it. I love the response!
 
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