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Custom Dodge Ram Performance Mods - Engine - 4.7 Liter V8 Discuss modifying your Dodge Ram with Performance Parts and Accessories!
Factory Spec: 4.7-liter V8 engine - 310 horsepower, 330 lb-ft of torque.


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  #1  
Old 04-14-2011, 07:59 PM
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snrusnak snrusnak is offline
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Default 4.7L with a stall converter?

Anybody run a high stall converter with the 4.7L? I'm noticing there's not alot of people really building this motor up, I find alot of info on the HEMI but not stuff like this for the 4.7L. My buddy picks up his 2011 RT next week and told me it has (i think he said 2800 rpm) stall factory, I think a high stall converter would be a huge improvement on the 4.7L as it has no low end but good top end. Just wondering if anyone has done this? The 4.7L and hemi have the same trans right? I wonder if the factory stall would go right into my truck...
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Old 04-23-2011, 07:19 PM
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From what Bob at moesperformance.com told me when I was talking to him about the 4.7L and the 5.7L when I ordered some rear end gears, he told me that we have the same tranny and rear end but the 4.7L actually had a better torque converter than the hemi did and that I shouldn't worry about changing it out. But what would be the fun in that? So maybe when I do a full engine overhaul I'll change it out. But if you end up doing it please tell everyone how it went and what the results are.
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Old 04-24-2011, 11:26 PM
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Vehicle: 2010 Dodge Ram 1500
Trim Level: SLT
Color: White
Engine: 2008-20?? 287ci (4.7L) PowerTech V8 310hp 330lb/ft
Rep Power: 12
Rep:1385
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I wonder why and how the 4.7L converter is better? My only concerns is if a high stall converter would affect towing and mpg much? I'd think if it still locked it wouldn't hurt mpg much, but would hurt towing still...
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Old 05-24-2011, 11:22 PM
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snrusnak snrusnak is offline
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Join Date: Jan 2011
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Engine: 2008-20?? 287ci (4.7L) PowerTech V8 310hp 330lb/ft
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Rep:1385
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I'm revisiting this topic, I know it's an oldish post....My buddy just picked up his R/T and I love the way it drives with the "loose" converter. After looking into getting one of these converters from the R/T with the hemi for my truck, I found it's more cost effective to go aftermarket. I was planning on building my own long tube headers and exhaust, but for the gains I would get, the cost, and the PITA, I have decided not to build headers, and to do a simpler cheaper exhaust, and to purchase an aftermarket torque converter, as I think the gains will be better and it will be cheaper. My question for you all is if anyone out there has run an aftermarket converter in their ram 4.7, or dakota 4.7 for that matter? I found APS that makes a 4.7 specific converter that is supposed to gain back 6% of the lost efficiency over stock, translating into roughly 15-20 rwhp just from that alone, plus the benefit of a better converter, and a higher stall speed. This all costs roughly $500. Any thoughts/comments/suggestions? I'm happy with the all around performance of my 4.7 but am looking for something to wake up it's low end, and I think this will do it...
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