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235hp to 310hp 4.7 v8

3K views 5 replies 5 participants last post by  flipster 
#1 ·
I notice that the 2007 and older models are 235hp and the 2008-until models are 310hp. What did they do for the increase? Hopefully its something i can do.

Excuse my ignorance my last sport was motocross and truck stuff is new to me. Never really cared about until i got a truck worth talking about.
 
#3 ·
http://www.allpar.com/mopar/47.html

found the above website. In short they increased compression, it now has two spark plugs per cylinder, and better port flow.

So it looks like im stuck getting cold air, superchip, and exhaust to try to get a few more ponies
 
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