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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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  #11  
Old 10-07-2010, 10:36 AM
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i havent got them installed yet, i just like to ask my local shops on price quotes lol i just got recommended to install the 4.10s cause mines a dd and would be making occassional trips down the 1/4, should be a good bump in accelaration......chefred might be able to answer that question, since he has had them on
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Old 10-07-2010, 04:31 PM
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If you gonna spray or make real good use of the rpm powerband then maybe the 4.10's are best but for DD with only a few passes down the track then 4.56's all the way. I heard not one complaint about 4.56's on a 2wd but there are a few that got 4.10's but wished they went to 4.56's.

Personally i think you should go right up to 4.56's as you can always play with tire ratio if need be.
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Old 10-07-2010, 11:09 PM
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I feel ya but my main concern with the 4.56 is my top speed in 3rd gear. Since 4th is overdrive theres not gonna be a lot of pull, and i dont want to shift into it at like 105 incase im racing on the highway and cant go any faster than that ya know? Any comments??????????? Im totally open lol cuz its a big decision
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Old 10-08-2010, 01:01 AM
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this MAY help

http://www.csgnetwork.com/gearratcalc.html
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Old 10-08-2010, 02:04 PM
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People trap 100+ at the top of 3rd with 4.56's and 3400 stall at the track. My 4.10's were topping 120 at the top of 3rd (6300-6400rpm). That's with a 2800 stall and 28" street tires when i was on lonesome highway doing video WOT runs.
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