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Custom Dodge Ram Performance Mods - Engine - 4.7 Liter V8 Discuss modifying your Dodge Ram with Performance Parts and Accessories!
Factory Spec: 4.7-liter V8 engine - 310 horsepower, 330 lb-ft of torque.


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  #21  
Old 10-19-2012, 01:07 PM
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Quote:
Originally Posted by snrusnak View Post
I'm not sure what was stock on the 2007 and older 4.7L. I know on the newer 08+ but it's not the same. The new engine uses 2 plugs per cylinder, both different, and the old engine has 1 plug per cylinder. I'd assume it's not the same as either from the newer engine.

Should be in the manual or something...
I am almost positive they also have 2 per cylinder like my hemi does, and they are both same plug(2003, 3rd gen). His plugs will just be 6987 ngk

EDIT: Sean you seem to be correct and only one plug per cylinder. I just assumed it was the same as the hemi. I checked out this video

Last edited by 99gp; 10-19-2012 at 01:22 PM.
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  #22  
Old 10-19-2012, 01:25 PM
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snrusnak snrusnak is offline
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Yeah pre 2008 4.7L is 1 plug per cylinder.

2008+ 4.7L is two plugs per cylinder. Both are bosch, special plugs for the engine. Intake side is a copper/yttrium. Exhaust side is an iridium/yttrium.
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  #23  
Old 10-19-2012, 01:33 PM
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Quote:
Originally Posted by 99gp View Post
I ran NGK 5306 copper. I think it should be same for the 4.7 as the 5.7
Here is a write up a did http://www.ramforumz.com/showthread.php?t=122321
It is not the same for these 2 engines. I am sorry for giving the wrong info
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  #24  
Old 10-21-2012, 05:35 PM
EWC88 EWC88 is offline
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Is Volant the best CAI for the 02 4.7l? Will getting a lift harm a CAI?
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  #25  
Old 11-10-2012, 01:30 PM
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