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Old 04-17-2013, 09:50 AM
B1ueDemon B1ueDemon is offline
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Join Date: Apr 2013
Location: Gulfport
Age: 20
Posts: 8
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Vehicle: 1999
Trim Level: 1500
Color: Shock Blue
Engine: 1994-2001 239ci (3.9L) Magnum V6 175hp
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Default 1999 3.9 v6 to 2004 5.7 hemi engine swap?

So, I have a 1999 single cab 1500 with the 3.9 v6 and I want to swap the engine with a 2004 5.7 hemi! I know that it's not a straight swap and that I'll need a transmission, computer, and cooling system to match the new engine. What I need to know, and what I'm asking, is what else do I need. What other parts, such as drive shaft, rear differential, wiring harness, suspension, ect. will I need to make this work. Also will there be any clearance issues with the engine or transmission? Any help is appreciated
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Old 04-19-2013, 01:17 PM
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06PowerWagon 06PowerWagon is offline
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Join Date: Nov 2012
Location: Ohio
Posts: 427
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Vehicle: 2006 Dodge Ram 2500
Trim Level: Power Wagon
Color: Inferno Red Crystal Pearl
Engine: 2003-2008 345ci (5.7L) Hemi V8 345hp 375lb/ft
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you need to find out if your Truck had an option to come with the V8.. and If so then yes.. if not you will have to fabricate a lot of stuff..
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Old 05-02-2013, 11:53 AM
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rudkinp00 rudkinp00 is offline
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Join Date: Nov 2012
Location: Missouri
Age: 21
Posts: 80
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Vehicle: 2001 Dodge Ram 1500
Trim Level: SLT Laramie Ext-Cab
Color: Forrest Green
Engine: 1998-2001 360ci (5.9L) Magnum V8 245hp(standard), 250hp(Sport package)
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honestly it shouldnt have a problem fitting but you will need to find a way to mount it and clearance on tranny may not match up right i have been wanting to do this with my 5.9 for a while now but cant ever find a hemi someone hasnt messed up when pulling it out
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