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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 04-02-2012, 11:55 AM
Jdsram Jdsram is offline
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Default Cam for 03 ram hemi??was told it won't work???

I have a 2003 ram with the 5.7 and want to do a performance cam swap and I was told that my year was impossible to tune and cam. Why is this? I would really like a cam so any help would be great.
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Old 04-02-2012, 02:44 PM
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Im sure a mild cam would be an option i would call Stu at inertia motorsports and find out what your options are for cams and tunning.
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Old 04-02-2012, 03:21 PM
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What Ram tex said...
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Old 04-02-2012, 03:51 PM
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Thanks guys! I have heard Stu's name along with inertia motorsports a lot around the forums. So that's what's I'll do give them a call. Thanks again
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Old 04-02-2012, 11:53 PM
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Usually for an 03 (quad cab anyway) comp 260 with a spring upgrade is good.
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Old 04-03-2012, 12:25 AM
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For programming the '03, the SCT seems to be the tuner of choice for the heavily modified crowd. As others have recommended, check out inertia for a good cam. Other options are the Comp Cams, but it'd help to know whether you're a rc/qc 2wd/4x4 before recommending what cam to look at. Also, you need to be very honest about what your needs are going to be when it comes to choosing a cam.

And one thing you must be well aware of, you need to upgrade your springs and retainers to at least the 6.1L ones as the '03 has been known to have weak stock springs and will eventually drop a valve if you have a higher lift cam.
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Old 04-03-2012, 02:35 AM
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they are harder but not impossible to tune...i've installed 260's in 03's and it wasn't too hard to tune... just dont get a real radical cam..260, sidewinder, a custom grind from stu...
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Old 04-04-2012, 08:24 AM
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Quote:
Originally Posted by CdnoilRAM View Post
For programming the '03, the SCT seems to be the tuner of choice for the heavily modified crowd. As others have recommended, check out inertia for a good cam. Other options are the Comp Cams, but it'd help to know whether you're a rc/qc 2wd/4x4 before recommending what cam to look at. Also, you need to be very honest about what your needs are going to be when it comes to choosing a cam.

And one thing you must be well aware of, you need to upgrade your springs and retainers to at least the 6.1L ones as the '03 has been known to have weak stock springs and will eventually drop a valve if you have a higher lift cam.
You CANNOT tune an 03 hemi with SCT (you can tune the 4.7 though). Your only choices for the 03 hemi are diablo and superchips. For custom it's diablo only. If you swap in the 05 PCM & harness then you have options.
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Old 04-04-2012, 11:39 AM
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Old 04-04-2012, 12:01 PM
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I know it's been awhile but I thought I was able to use a psc1 with a superchips tuner to tune one of the 260 installs i did...
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