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Custom Dodge Ram Performance Mods - Engine - 5.7 HEMI V8 Discuss modifying your Dodge Ram with Performance Parts and Accessories!
Factory Spec: 5.7-liter HEMI® V8 engine - 390 horsepower, 407 lb-ft of torque.


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  #1  
Old 01-21-2010, 09:32 PM
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Question 4.10 Gears

Hey guys! I wanted to know some more about the gear ratio thats currently in the truck. Now replacing the stock gears with a 4.10 ratio will help out quite a bit do you think?
The biggest question I have is, I have a programmer (DSP) now if I get the 4.10 gears put in will this affect the programme? Will they not work together, thats the question.

Any help would be great since I think this will be a new addition to my truck. What do you think of Motive Gears? Thats the company that I found that makes them heres the link http://moesperformance.com/index.php...oducts_id=1147
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  #2  
Old 01-21-2010, 09:34 PM
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I am not too sure if it will affect the tuner, but if I had to take a shot in the dark, i'd say no it will not simply because that thing is so amazing at what it does.

What is the stock ratio? 4.10s will make it get up there a hell of a lot faster, thats for sure.
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Old 01-21-2010, 09:48 PM
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Yep thats why I want to do it haha. I'm going to look into this. Do you think I will need to get an LSD as well. Or is that more of a personal option. I would definatley want one too but $$$$$ always comes in
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Old 01-21-2010, 10:24 PM
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If you already have the 3.92 gears it wouldn't be worth it.
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Old 01-21-2010, 10:33 PM
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sorry not trying to thread jack, just one question. my brother said he would sell me the front and rear end out of his old truck to put in mine. its has 4:56 gears in it. what could i exspect out of my truck then? thanks a ton.
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Old 01-22-2010, 01:46 AM
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... if you have 3.55's, the upgrade is to 4.10's.... 3.92's to 4.56's...
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Old 01-22-2010, 01:54 AM
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Quote:
Originally Posted by DODGE4x4 View Post
sorry not trying to thread jack, just one question. my brother said he would sell me the front and rear end out of his old truck to put in mine. its has 4:56 gears in it. what could i exspect out of my truck then? thanks a ton.
do you know what gears you have now? in either case, the performance difference will be noticeable..prepare for a smile
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Old 01-22-2010, 08:39 AM
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A smile and even worse gas mileage!
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Old 01-22-2010, 09:27 AM
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i figured just driving around town the mileage would improve, and on highway it would get worse, just a thought-lower gears means not as much of a struggle for the motor to turn my tires and wheels in a stop and go situation? and holding higher rpms on the highways means a little worse mpg?
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Old 01-22-2010, 09:30 AM
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4:56 if you are planning to go to a 35 inch tire.. 4:56 will put a bunch of strain on your drivetrain.. as Randy said if you have 3:92 you are there right now.. as for someone wanting to swap in some used gears not a good deal
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