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Hello everyone! Glad to finally be on the forum. Any way I purchased my first brand new truck a few months ago. A 2013 RAM 1500 4x4 crew cab 6-speed. Absolutely love it, but as some one coming from nothing but modified diesels, I need more power and have absolutely no idea what I am doing quite honestly to get the most out of these trucks without going too extreme. Thanks to research on this forum I had decided on tuning from Hemifever, vararam intake, 87mm TB from Moe's, and a Mufflex muffler delete. But before I pulled the trigger on ordering this stuff I need a little help.

I wasn't paying attention when I bought my truck on the gearing, as it took a little while to find 1 equipped with everything else exactly how I wanted it slipped my mind and now I am cursed with the 3.55 gearing. I love the mileage being around 17, but I want it to be quicker .. and am considering 3.92, 4.10, or maybe even 4.56s. I don't want my mileage to drop below around 15 avg mixed driving, and can't seem to find much of what people are getting with 4.10s or 4.56s though.. I will be keeping stock sized tires and know the other mods will help mileage but would like some personal experience on this as I cannot decide on what gears to get. And I know it might be a long shot (since my truck is about as heavy as the half-tons can get) but would like high 13s in the 1/4.

Also, how reliable are these trucks overall when modded? I know it has warranty but if the programmer or something winds up getting rid of that, should I expect to have problems? I do have a somewhat heavy foot, and make trips to the track when I can. since this is my only means of transportation I really need it to stay reliable while being as fast as it can while doing so.

And what about a converter?? I don't tow much, just a fourwheeler every now and then, so would a 2800-3000 stall be suitable? What works best on these trucks for a daily driver?

Sorry for such a long post but I wanted to make sure to cover all the info I thought ya'll might need. Thanks in advance for any help!
 

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Alright, that is around what I was figuring. Would 4.10s or 4.56s completely destroy my mileage? Would it even be worth the change to 3.92s as far as acceleration goes?
 

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A gear change in a 2012+ Ram is closer to $3500. You need to get a front diff from a 09-11 in order to do it, then have it machined out for the larger gears (if you're going with 4.10's or 4.56's) and then have the new gears installed. It definitely isn't a cheap or easy task.
 

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Yeah the gears are gonna be a nice chuck of change. Maybe 2500 to 3000 if you already have limited slip and just need the gears. I went from 3.55 to 4.10 with stock tires and lost about .5 mpg overall. Closer to 2 mpg on the highway. 0 to 60 it pulls much better but I dont think I gained much in the 1/4 mile because it shifts into another gear. Also its hard to get traction. :)

You have a good plan with your mod list: intake, TB, muffler delete and hemifever. Maybe wait for a set of longtube headers instead of the gear change. With the custom tune you would get a good gain from the longtube headers.

Torque converter. I had a 3000 stall that was to high, I now have 2600 stall and think it is perfect for my truck. Stick to an 11 inch TC.
 

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It was rated as 3000 but was more like 3500, so even at part throttle the truck would be at 4000 rpms causing the trans to shift through all the gears to fast and bog the motor. WOT on these trucks is set at 5600, I cant really figure out what the part throttle shifts are at but going to high in the stall seems to cause it to shift through all the gears before you get any speed going. But then again I may have just gotten a bad converter. It is out now.
 

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I recommend going through Cdnoilram's build thread for some ideas. His build is right HERE.
Might not be the same here, but he still has some solid mods and ideas of what you want to do.. Another Ram to look at is BlackRamHemi and his build thread here.
 
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