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willthrill

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Nov 20, 2015
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Ram Year
2015
Engine
hemi 5.7
just purchase a new 2015 ram sport crew cab 4x4 gear ratio 3.21. what mods can I do to make it faster off the line or even make the tires burn a little rubber?
 

MADDOG

Living in a Firepit
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Well, welcome to the forum to begin with.

You can add a cold air intake and freer flowing exhaust to start.

Programming is available but it's an expensive proposition right now, consisting of a programmer and a second PCM that is modified by DiabloSport. Once folks figure out how to get past the program encryption placed on the PCM by Ram more, and less expensive, options will result.

3.21:1 gears aren't optimum for performance but they are great for mileage. I assume you have the 8-speed transmission? You can do a gear swap to improve torque + off the line performance.

That's about it as far as programming and bolt ons at this point.

Good luck!
 

clh1220

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st Louis
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2016
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hemi 5.7
The exhaust and intake are good for some awesome go fast sound. The 3.21 with the 8 speed is no slouch. Try to calibrate the gas pedal. Turn the ignition to run wait for the the warning light in the dash to go off, push the pedal down slow and then let it up slow. Turn it off and start it. I have to do that to the Durango every so often. The truck too.
 

Paluby

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Best bang for your buck is going to be a tuner. Granted since you'll have to have a DS PCM it will cost more, BUT, modding your truck with even just bolt ons is a slippery slope cause you'll constantly be seeking more. It's fun but at the end of it all you'll need a tuner to bring it all together to give you that punch you want. Start with a tuner from Moe's and Hemifever tuning and go from there. That would be my advice. Sets up a solid foundation for future mods.
Good luck and welcome to the forums!!
 

HammerHead

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2019 4Runner
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4.0
just purchase a new 2015 ram sport crew cab 4x4 gear ratio 3.21. what mods can I do to make it faster off the line or even make the tires burn a little rubber?

First thing is get a tuner and a custom tune. Money well spent:)
 
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