Motor differences

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PigSooieHailGul

Junior Member
Joined
Mar 7, 2017
Posts
17
Reaction score
1
Ram Year
2012
Engine
Hemi 5.7
I recently blew the 5.7l in my 2012, ordered a reman 2012 5.7l from a Durango. Had no clue there was a hp difference of 30hp. What is the difference in the motors before I do the swap? I don't want to give up that 30hp. Is it TB, cam, computer what? Motor goes in Saturday. If it's cam I'd like to know asap so we can swap em over.
 

zrfraser

Senior Member
Joined
Feb 10, 2017
Posts
178
Reaction score
71
Ram Year
2015
Engine
3.6 Pentastar
From the little research I just did it comes down to: Intake, exhaust, and computer mapping.
 

Johnnymac2k6

Senior Member
Joined
Oct 5, 2016
Posts
913
Reaction score
520
Location
Ohio
Ram Year
2007 Ram 1500
Engine
5.7 Hemi
I recently blew the 5.7l in my 2012, ordered a reman 2012 5.7l from a Durango. Had no clue there was a hp difference of 30hp. What is the difference in the motors before I do the swap? I don't want to give up that 30hp. Is it TB, cam, computer what? Motor goes in Saturday. If it's cam I'd like to know asap so we can swap em over.

Better hope its the same cam profile or you just took your drop in replacement and turned it into a dyno tune level project.
 
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