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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 03-26-2011, 12:03 PM
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Default 3 Gen Hemi vs 4 Gen Hemi

What is the difference between the 3 Gen 5.7 vs 4 Gen 5.7??? I know they are the same CI, do they have different intake manifolds, heads, cams, etc. I plan on getting a bigger throttle body but, I want to get a bigger intake manifold as well. What are some of your opinions on this?
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Old 03-26-2011, 12:34 PM
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http://www.allpar.com/mopar/new-mopar-hemi.html


http://www.mopartsracing.com/parts/57hemi.html
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Old 03-26-2011, 02:26 PM
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After reading the above links I would look at Inertia Motorsports website. I believe they have the 4th gen p/p'd Eagle heads for sale. Those heads with a cam would be a great upgrade.
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Old 03-26-2011, 11:45 PM
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it's all in the heads...
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Old 03-27-2011, 10:17 AM
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Don't forget the variable cam timing that was installed beginning in 2009 but not all 2009 models have it.
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Old 03-27-2011, 02:40 PM
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Im like a kid in a candy store when looking through those sites. I appreciate it. Im going back forth whether I want to break into the motor or stay with just the simple bolt ons.
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Old 03-27-2011, 02:46 PM
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A big hello and a warm Carolina welcome. I hope you enjoy the best RAM ForumZ.

Drop by the newbie section and introduce yourself, and remember to give us plenty of photos.
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Old 03-27-2011, 04:55 PM
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xtreme, you won't see a huge increase from the "small" supporting mods (CAI, T/B, cat-back, programmer) but once you do get to the bigger mods (heads, cam, etc) you'll get the full benefit from them.

Modding is an addiction, be it for power or for looks. I'd suggest starting with the smaller ones and building up unless you have a bunch of extra money laying around. In that case, throw a bunch of them on there.
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Old 03-28-2011, 11:42 AM
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Yea, I know..It is addicting. I think Im going to stick with simple bolt ons on this truck. I would like to get a hold of an 06-08 Ram Hemi RC also, (2WD or 4WD) and totally mod up the motor. Id like to do it to this truck but, I plan on lifting it and I want a vehicle to take to the track. This is an expensive hobby. haha
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Old 03-28-2011, 12:09 PM
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It sure is addicting that sometimes i wish i was just stock with my catback exhaust.
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