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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 10-15-2011, 12:18 AM
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js1977 js1977 is offline
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Engine: 2009-20?? 345ci (5.7L) Hemi V8 390hp 407lb/ft
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crawl under your truck, there should be a sticker on your rear end that will let you know what you have. I added the Fastmans Throttle body, Mopar CAI (which it warrenty covered), sonnex pressure booster (for trans), magnaflow 14" exhaust, 180 stat and I can tell you, it's a night and day on the acceleration (I have 3.92 gears). A torque converter would defently help and it might be on the list later on, but I think the setup I have right now may put a grin on your face as well.
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  #12  
Old 10-15-2011, 10:26 PM
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BlackHemI BlackHemI is offline
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They can still find out you have a programmer if you set it back to stock or not, mine has cai and flowmaster and it was a night and day difference
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  #13  
Old 10-18-2011, 04:36 PM
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Most suggestions here will help but almost all at the upper-end of the RPM range. Throttle Body, CIA, Muffler, etc. I agree that these trucks are sorely lacking in low-end punch and I am sure they are tuned for highway mileage. I don't care as much about going 130+ mph as much as I do about getting from light-to-light or onto the freeway itself. My 3500 dually cummins (8500#'s+ empty) Ram can take my Hemi (4 tires and several thousand pounds less) from light to light any day of the week. Of course once the Hemi finally winds up it's great, but by that time it's over. Plus I tow with both my rigs and low-end is where it's at on that front as well. I have 3.92 rear-end and would have opted for 4.56's if I had been given the choice. The tranny (torque conv) and gears eat up a lot of this engines potential at the low-end and actually kill low speed mileage as a result. A tuner could help some but gears are your only hope if you want near invisible warranty issues and the ability to keep those nice 20" rims.
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  #14  
Old 10-20-2011, 04:56 PM
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Speed > Warranty or Speed < Warranty... take your pick, they do not go hand in hand

Its like Fast...Cheap...Reliable.... pick two
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