FYI, I get my stuff from the brochures from 99-02 I have. That's where I get MY engine numbers. The 98+ 360 was only rated at 245/335, where as the 02 4.7 was rated at 240/300. The 2007 4.7's had a big HP bump but OP is talking about an 04, which has the same power rating as the 02. You may be getting the R/T 360 confused with the regular 360. The R/T model WAS rated at 250/345 in the Daks. Which, I got that number from my 2002 Dakota brochure.


So, where are you getting your stuff from?
and it's free..

 

Depends what you want OP. They both seem to have the similar output ratings (according to info in this thread before it went off the deep end). Do you want a motor that makes that power in 5000 rpms? Or one that need 7000 rpm's to do it?

4.7 is not a truck motor in my opinion. Would have been great in the 90s'/early '00s pony car that Dodge should have made to compete with the 'Stangs and F-bodies, but instead they put it in a truck.

 

The 4.7 doesn't make it's torque that much higher than the 5.2, the 4.7 builds maximum torque at 3200rpm vs 3000rpm for the 5.2.


Having an 02 Ram with the 4.7 in my driveway, and having driven it, and having a 98 360 as a daily, I can say that the 4.7 moves well.

 

go for the 318 i have replaced to many 4.7s in the past at the shop i work at i would never recommend the 4.7

 

^Once again, coming from someone whose never owned a 4.7.

 

You do have to take into account someone who works on engines for a living telling you that they see more of one type of engine having a common failure. Owning one is good, but you are only seeing one example of a mass production vehicle that may or may not be a good or bad example of that vehicle. The mechanics get to see a much broader range of them and can tell you to avoid an engine based on how many they see in their shop. I would take the word of a mechanic or technician over someone who daily drove theirs.

318s have been around forever and you do not have to be part of the R&D team and help chrysler work out the bugs in it like you may in a newer engine. You have had the word from at least a couple of wrench spinners to be wary of the 4.7. Choose wisely

 

You must also take into account that a mechanic also sees vehicles that are abused on a daily basis. An abused 318 won't last any longer than an abused 4.7. Sometimes it is good to know folks that have actually daily driven a vehicle 70k+ mi

 

Again, my 4.7 was going on 80k when I sold it. Very solid and dependable. Never gave me any trouble. A lot better tuned though, but that was more due to Dodge's crappy transmission shift schedule in the Dakota which wanted to do nothing but get to OD lockup as fast as it could. Superchips took care of that though. I don't know how they are in a full size, I can only speak for my Dakota.

 

The transmission in the Rams, Daks, and 'Rangos were all the same: 45RFE. Although the Durango may have gotten a different trans after a while, I don't know.

The 45RFE in my dad's Ram wants to shift to OD as soon as possible too, I make him turn it off for around town in the summer. And as far as I know, the 45RFE is a solid transmission, more so than the 46RE. Granted, the 545RFE is better since it has 5 speeds rather than 4, but it was only available in the Hemi until recently.

 

I very much disagree. I have never done any kind of comparison, but just by nature of the engine construction and such I'm absolutley sure a 318 will run longer than a 4.7 when abused. Take quadcabluv's '95 for example. He drive the thing 20 miles on a broken crankshaft. Think a 4.7 would do that with it's lighter duty build and ohc aluminum heads? I don't. Ever heard of a 400,000+ 4.7? I haven't. I have heard of 5.2's running well past that number though.