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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 10-31-2009, 09:23 PM
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If you were running to rich your cel would be lit . Programmers have to stay within Federal guide lines .
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  #12  
Old 11-01-2009, 10:04 PM
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The included tunes with the predator made my stock truck run a little lean. Generally aftermarket intakes tend to make the engine run a little leaner as well (although I've read that the Hemi doesn't lean out much with an intake).

I'd be careful trying to lean out the engine, and it probably shouldn't really be leaned at all without a wideband A/F. Maybe lean it a little if you're certain that you're running rich. Don't want to put it into an unsafe lean condition and get a whole lot of knocking.
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Old 11-01-2009, 10:28 PM
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..the only way to truly tell is if you have a way to monitor your a/f ratio (in closed loop..which is the majority of driving)...the wideband is used to monitor open loop (first start and wot driving)...
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  #14  
Old 11-03-2009, 10:52 PM
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Quote:
Originally Posted by MADDOG View Post
Congrats on the mod and the newfound performance.

I like the Predator a lot on my '06 300C SRT8. I recently got a CMR tune done at an authorized DiabloSport shop and all I can say is....

WHOA!!!!
What is CMR ??

Are there any control module tweakers intended for off road use and not required to meet EPA standards? Like some lights or exhausts.

Last edited by Phrede; 11-03-2009 at 10:57 PM.
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  #15  
Old 11-03-2009, 11:55 PM
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CMR is the application used for Diablo tuners to custom tune all aspects of the pcm..
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2005 Dodge Ram 1500 QC SLT: 12.107 @ 113.960 MPH
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