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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 05-03-2009, 11:54 PM
raiderfan06
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Default How r they doing this

I have a 2006, Dodge now claims to get 400hp out of the same hemi that I have in my truck, How are they doing this and can I do it as well ? I have a k&n cold air intake and I have dual exhaust to help the girl breathe a little better. Oh I almost forgot it has kumo tires and a 4'' inch lift. What else can I do, It seems to have way more torque down low then the new dodge but cant come close to mid range 60 mph and up at highway speed. This truck sounds awesome and has tons of torque and bark, but not enough bite. Open to suggestions from the people who know........ you guys


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  #2  
Old 05-04-2009, 02:00 AM
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They always seem to find ways to tweek more HP out of the engines to compete with other manufacturers. All you need to do is hit up one of our vendors for some ideas! Try Inertia Motorsports!
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Old 05-04-2009, 10:14 PM
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Like the screen name!
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Old 05-28-2009, 12:50 PM
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Long tube headers work well with more bite and I also have changed to E3 Spark plugs which doesnt make a huge differance but u can tell its there. I have a 4.7 and noticed some improvments I as well have intake and exhaust I here that programming may help with shift points giving a better feel for the performance and mpg.
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Old 06-05-2009, 06:10 PM
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..if your comparing your hemi to the 09 hemi..there are actually differences..the one big change is in the heads... the stock heads on the 09's are just like the p & p aftermarket heads we can get. they flow much more then the heads on the 03's-08's...
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Old 06-07-2009, 01:37 PM
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3 words variable valve timing, also what Fred said.
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Old 06-07-2009, 07:45 PM
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Prolly a more agressive cam and engine mgmnt program as well.
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Old 06-07-2009, 08:15 PM
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i beat an 09 in my daytona i think its cus they have 3.21 gears i have 3.92s just something to look at now put 3.92s in a 09 O GOSH!
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Old 06-08-2009, 05:11 PM
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Quote:
Originally Posted by dodge4.7 View Post
i beat an 09 in my daytona i think its cus they have 3.21 gears i have 3.92s just something to look at now put 3.92s in a 09 O GOSH!
naw get an R/T 4.10 gears ya baby
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Old 06-16-2009, 10:45 AM
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Default 3 things. You've already done 2

I had three things done to mine all at the same time and I couldn't believe the difference!

1) Cool Air Intake
2) Open up the exhaust

Let the truck breath

3) Flashpaque Superchip <-- IMPORTANT

When I drove out of the 4 Wheels & Parts parking lot, the truck took off!

Performance spark plugs and wires make a small difference too.

Hope this helps.
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