2nd Gen Ram Tech 1994-2001 Rams: This section is for TECHNICAL discussions only, that involve the 1994 through 2001 Rams. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.

‘97 dodge 2500 v8 4x4 12v Cummins swap

Old Oct 11, 2018 | 10:46 PM
  #1  
Gharve88's Avatar
Gharve88
Thread Starter
|
Amateur
Joined: Apr 2018
Posts: 38
Likes: 0
From: Carson city nv
Default ‘97 dodge 2500 v8 4x4 12v Cummins swap

Hi guys, I’m sure this has been posted before but can’t quite find what I’m looking for for my truck.
I have a ‘97 2500 4x4 5.9 gasser with a knock and considering options and one is swapping to a 12v Cummins. Is this worth it? What all do I need with the truck I have? Is there any fabricating? What’s the extent of this swap?
i appreciate any replies and apologies if this has been posted multiple times.
Thanks
 
Reply
Old Oct 12, 2018 | 08:28 AM
  #2  
HeyYou's Avatar
HeyYou
Administrator
Veteran: Air Force
Community Favorite
15 Year Member
Community Builder
Joined: Apr 2010
Posts: 87,479
Likes: 4,223
From: Clayton MI
Default

There was another one of these posted just yesterday.....

Its certainly doable. Having a donor truck so you make sure you have ALL the parts you need isn't a bad idea, but, if you buy the whole truck, why not just fix up the one with the diesel already in it?

You will need the engine, trans, pcm, wiring harness, front springs, and a host of other little parts. Shouldn't be much in the way of fabrication involved.
 
Reply
Old Oct 12, 2018 | 10:11 AM
  #3  
MoparFanatic21's Avatar
MoparFanatic21
Legend
Veteran: Marine Corps
10 Year Member
Liked
Loved
Joined: Nov 2014
Posts: 8,098
Likes: 318
Default

I did the opooppos went from diesel to gas. Have everything listed above plus the motor mount. Too me about 6-7 hrs just because I saved everything off the diesel
 
Reply
Old Oct 12, 2018 | 10:29 AM
  #4  
Gharve88's Avatar
Gharve88
Thread Starter
|
Amateur
Joined: Apr 2018
Posts: 38
Likes: 0
From: Carson city nv
Default

Originally Posted by MoparFanatic21
I did the opooppos went from diesel to gas. Have everything listed above plus the motor mount. Too me about 6-7 hrs just because I saved everything off the diesel
why did u go back to gas?
 
Reply
Old Oct 12, 2018 | 10:42 AM
  #5  
Gharve88's Avatar
Gharve88
Thread Starter
|
Amateur
Joined: Apr 2018
Posts: 38
Likes: 0
From: Carson city nv
Default

Originally Posted by HeyYou
There was another one of these posted just yesterday.....

Its certainly doable. Having a donor truck so you make sure you have ALL the parts you need isn't a bad idea, but, if you buy the whole truck, why not just fix up the one with the diesel already in it?

You will need the engine, trans, pcm, wiring harness, front springs, and a host of other little parts. Shouldn't be much in the way of fabrication involved.
i mean if I had the diesel already ya I’d fix that but I love this truck and thought how much work and money would it be for the 12 valve. I’ve seen it done on a 2wd but haven’t seen much for 4x4
 
Reply
Old Oct 12, 2018 | 10:49 AM
  #6  
MoparFanatic21's Avatar
MoparFanatic21
Legend
Veteran: Marine Corps
10 Year Member
Liked
Loved
Joined: Nov 2014
Posts: 8,098
Likes: 318
Default

Originally Posted by Gharve88


i mean if I had the diesel already ya I’d fix that but I love this truck and thought how much work and money would it be for the 12 valve. I’ve seen it done on a 2wd but haven’t seen much for 4x4
When I went from diesel to gas it wasn't much work and there was no fabbing. It was as simple as take out the motor, engine harness, and PCM. The do the swap. Not hard at all lid you can pull an engine.
 
Reply
Old Oct 12, 2018 | 12:47 PM
  #7  
Gharve88's Avatar
Gharve88
Thread Starter
|
Amateur
Joined: Apr 2018
Posts: 38
Likes: 0
From: Carson city nv
Default

Originally Posted by MoparFanatic21
When I went from diesel to gas it wasn't much work and there was no fabbing. It was as simple as take out the motor, engine harness, and PCM. The do the swap. Not hard at all lid you can pull an engine.
i can see that. Do u not like the diesel is that why u went to gas?
 
Reply
Old Oct 12, 2018 | 03:38 PM
  #8  
MoparFanatic21's Avatar
MoparFanatic21
Legend
Veteran: Marine Corps
10 Year Member
Liked
Loved
Joined: Nov 2014
Posts: 8,098
Likes: 318
Default

Originally Posted by Gharve88


i can see that. Do u not like the diesel is that why u went to gas?
1. They are way more then gasoline to buy toe fuel
2. Parts are triple what gas cost and maintaince is a lot more
3. You'll go through lift pumps on the 12 and 24 engine which get pricey
4. They are really junk in these years they have 80 more torque then a 360 so I saw no use in keeping it. Why spend $250 more in maintaince and $850 for a lift pump just for 80 more torque.
 
Reply
Old Oct 12, 2018 | 05:29 PM
  #9  
HeikIlm's Avatar
HeikIlm
All Star
10 Year Member
Liked
Joined: Sep 2012
Posts: 804
Likes: 87
From: Europe
Default

Originally Posted by MoparFanatic21
1. They are way more then gasoline to buy toe fuel
2. Parts are triple what gas cost and maintaince is a lot more
3. You'll go through lift pumps on the 12 and 24 engine which get pricey
4. They are really junk in these years they have 80 more torque then a 360 so I saw no use in keeping it. Why spend $250 more in maintaince and $850 for a lift pump just for 80 more torque.
I don't agree. 13 years, daily driver, minimum of ~50 miles/day. Odometer hit 355555 today.
12 valve. Starter contacts and brushes, water pump, seals (tappet cover, valve covers, vacuum pump and front cover + crank seal), belt tensioner. Doesn't sound terribly expensive, and it wasn't. Filters cost same as the gassers.
I did change the lift pump, but it didn't solve the problem which was caused by rotted fuel line, and the aftermarket pump was something like $150 or so.
Consumes less fuel.
12 valve is really easy to tune for little more power and torque, just remove AFC housing and do your magic.

But when it comes to injection pump, they are pricey. And injectors, but they seem to have quite a wide price range. But new fuel filter at least once a year keeps pre-mentioned parts happy.

​​
 
Reply
Old Oct 12, 2018 | 05:37 PM
  #10  
HeyYou's Avatar
HeyYou
Administrator
Veteran: Air Force
Community Favorite
15 Year Member
Community Builder
Joined: Apr 2010
Posts: 87,479
Likes: 4,223
From: Clayton MI
Default

Originally Posted by HeikIlm
I don't agree. 13 years, daily driver, minimum of ~50 miles/day. Odometer hit 355555 today.
12 valve. Starter contacts and brushes, water pump, seals (tappet cover, valve covers, vacuum pump and front cover + crank seal), belt tensioner. Doesn't sound terribly expensive, and it wasn't. Filters cost same as the gassers.
I did change the lift pump, but it didn't solve the problem which was caused by rotted fuel line, and the aftermarket pump was something like $150 or so.
Consumes less fuel.
12 valve is really easy to tune for little more power and torque, just remove AFC housing and do your magic.

But when it comes to injection pump, they are pricey. And injectors, but they seem to have quite a wide price range. But new fuel filter at least once a year keeps pre-mentioned parts happy.

​​
There is also things like regular maintenance. Oil changes and such. I can get the oil changed in my V-8 for 20-25 bucks, and they check ALL the fluids, and grease everything for me. Good luck finding that price for a diesel.
 
Reply

Thread Tools
Search this Thread

All times are GMT -4. The time now is 04:00 PM.