2002 Dodge Ram engine swap

Tiny
GIBSONFAMILY8
  • MEMBER
  • 2002 DODGE RAM
  • V8
  • 4WD
  • AUTOMATIC
  • 150,000 MILES
I need to replace the engine on a 2002 Dodge Ram 4.7 Vin N. I was wondering if I am able to/how hard it would be to change it to a 5.7? Also could I swap it with a 4.7 HO?
Saturday, January 23rd, 2010 AT 3:30 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,535 POSTS
We always recommend staying with direct replacement parts. Here is why. WHen you change engine like you described, everything needs changed. The computer, mounts, possible transmission, wiring harness, vacuum lines. After everything is changed, it still never seems to work correctly. Then you end up with sensor problems.

If you have specific questions, let me know. As far as your idea, the larger engine would be better because of the truck's weight. Actually, you may even get better fuel mileage, but it isn't worth the effort and expense.

Joe
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Tuesday, January 26th, 2010 AT 9:26 PM

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