Interchangeability of engines

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Dodger
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Interchangeability of engines

Post by Dodger » Sun Nov 15, 2015 1:12 am

Hi,

I am looking for advice with respect to what engines are interchangeable and will work as a replacement for the 5.7 in my 2005. It looks like any 2002 to 2008 hemi from a truck will work, but it seems that engines from cars will not work (at least not easily). Are the engines in the 1500 series the same? Any advice as to what will or will not work?

Thanks for any assistance.

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Re: Interchangeability of engines

Post by azracer » Sun Nov 15, 2015 5:35 am

MDS is a very big issue for adapting to our uses.
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Re: Interchangeability of engines

Post by Dodger » Sun Nov 15, 2015 7:01 am

Yes, I've read some things about that. Some say you need to plug MDS off and others say it just doesn't work if your wiring/computer isn't connected or made to run it.

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Re: Interchangeability of engines

Post by dodgeman324 » Sun Nov 15, 2015 9:34 am

I'd like to drop the SRT-10 motor into mine. :)
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Re: Interchangeability of engines

Post by 05PWrockcrawler » Sun Nov 15, 2015 12:01 pm

That's what I'm thinking. In 05 they put one in so should be a pretty easy bolt in swap.


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Re: Interchangeability of engines

Post by TwinStick » Sun Nov 15, 2015 6:33 pm

This would look pretty good on the front doors.......I'm just sayin'. LOL :lol:

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-------------------------5.94:1--------3.28:1-------1.98:1-------1.31:1-------1.0:1-------0.74:1-----5.42:1 ---- = 73.675:1
545RFE----------------3.0:1---------1.67:1--------1.0:1--------0.75:1-------0.67:1------------------3.0:1 -------=37.21:1

2013+ 32.47 crawl ratio...............Can you see the trend ??????????????

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Re: Interchangeability of engines

Post by coder » Sun Nov 15, 2015 6:59 pm

Dodger wrote:Hi,

I am looking for advice with respect to what engines are interchangeable and will work as a replacement for the 5.7 in my 2005. It looks like any 2002 to 2008 hemi from a truck will work, but it seems that engines from cars will not work (at least not easily). Are the engines in the 1500 series the same? Any advice as to what will or will not work?

Thanks for any assistance.
I know 1500's have an EGR valve and depending on the year MDS 2500's don't.
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Re: Interchangeability of engines

Post by Cactus Red » Sun Nov 15, 2015 9:01 pm

If you can't find a rebuilt hemi from an '05, your best bet is to buy the engine/tranny/ecu complete from the breaker or donor vehicle. If it was me, I'd rebuild yours so you know exactly what you have.

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Re: Interchangeability of engines

Post by Dodger » Mon Nov 16, 2015 1:48 am

Yes a Hellcat or an SRT-10 would be nice but I'm not a wealthy man. I might be able to afford the stick on lettering though! I've been informed that all the hemi engines are the same (cars, trucks, SUVs), from '02 to '08 (except that some have MDS) and should bolt right in. All I need to do is use my front timing cover assembly and add my accessories. Guys are saying the MDS isn't an issue as it will just not operate if you don't have the right computer/wiring, to run it. Apparently the MDS can be electronically disabled (using a programmer?) on engines that have it. As for rebuilding my own engine, it isn't re-buildable. Why would it be better to buy the engine, trans and ECU together? I thought there was something special about the PW's ECU..."softening the pedal" when in 4 LO?

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Re: Interchangeability of engines

Post by Cactus Red » Mon Nov 16, 2015 9:23 am

If you get the entire setup, it's already good to go. That's the easiest way to do a swap.

If you can use any hemi, get one from a 2500 so it doesn't have the MSD to start with.

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Re: Interchangeability of engines

Post by Throttle 8 » Tue Nov 17, 2015 4:48 pm

TwinStick wrote:This would look pretty good on the front doors.......I'm just sayin'. LOL :lol:

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Re: Interchangeability of engines

Post by Will » Tue Nov 17, 2015 6:35 pm

I'd do it in a heartbeat if I could afford it and ran across one. But would the tranny hold it is the question. I want to bump mine some with a cam, throttle body, headwork, exhaust but afraid of the transmission....
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Re: Interchangeability of engines

Post by Throttle 8 » Wed Nov 18, 2015 12:07 am

Will wrote:I'd do it in a heartbeat if I could afford it and ran across one. But would the tranny hold it is the question. I want to bump mine some with a cam, throttle body, headwork, exhaust but afraid of the transmission....
I've got the G56. If it can handle the torque of the Cummins, it should be good. It would be awesome to be able to light them 1st thru 4th! :lol: :cash:
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Re: Interchangeability of engines

Post by Colibri » Wed Nov 18, 2015 12:16 am

There are solutions for those of us with the auto. There's sharadon for the 545rfe and commercial powertrain for both the 5 and 6 speeds. Prices range from 2-6k depending on what you want, with the best being good all the way up to 900hp so I'm told.
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Re: Interchangeability of engines

Post by 06wagon » Wed Nov 18, 2015 7:18 am

The G56 in a HEMI is slightly different then the G56 in a cummins. And the higher hp cummins guys are swapping to a NV5600 after they explode the G56 case. Granted, they are making 800+ RWHP.


But spinning tires through the first 3 gears is fun...... :)
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Re: Interchangeability of engines

Post by RustyPW » Wed Nov 18, 2015 10:31 am

This should drop in the engine bay. :mrgreen:

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Re: Interchangeability of engines

Post by Dodger » Sat Dec 19, 2015 9:30 pm

Thanks for the responses. I am going with a 6.1 short block with ported/polished 5.7 heads and a Scud cam. I'll be using 6.1 fuel injectors and plan on using the stock intake/throttle body at least for now. I was looking for headers too, but from what I can see none of the long-tubes will fit an '05 and some things I've seen seem to indicate that shorties aren't really much improvement over the stock exhaust manifolds. Any recommendations on headers that will fit an '05?

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Re: Interchangeability of engines

Post by AllanDickerson » Sat Dec 19, 2015 9:59 pm

Keep me updatedo n the engine swap .I'd like to do the same thing you are.

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Re: Interchangeability of engines

Post by RustyPW » Sun Dec 20, 2015 1:03 am

Dodger wrote:Thanks for the responses. I am going with a 6.1 short block with ported/polished 5.7 heads and a Scud cam. I'll be using 6.1 fuel injectors and plan on using the stock intake/throttle body at least for now. I was looking for headers too, but from what I can see none of the long-tubes will fit an '05 and some things I've seen seem to indicate that shorties aren't really much improvement over the stock exhaust manifolds. Any recommendations on headers that will fit an '05?
TTI headers for a 2500 will fit. you have to give them a call.
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Mods to the PW; Nerffed Mopar RockRails, Wheel Well Liners, Bushwacker Pocket Fender Flairs, Garvmin dezl 560LMT GPS, Power Wagon Winch Kit, Line X Ultra Bed Liner, PIAA Headlight Bulbs, PIAA 580 Driving Lights (135 watt), PIAA 520 Fog Lights (135 watt), PIAA 520 ATP Off-Road Lights (135 watt), Locker Bypass, Modifed Rockcrusher Diff Covers, Mopar Utility Bed Rails and Tool Box, Warn Winch Wireless Remote Control, "el-cheapo" Inclinometer, Airaid CAI, Winch TPS Bypass, 35" Toyo's, Mopar Spare Tire Lock, 'T' Steering Linkage, Modifed PSC Steering Brace, P3 Brake Controller, Modifed Fusion "mall crawler" rear bumper , PIAA 1500 Back-Up Lights, 1Ton HEMI Tranny Cooler, Leer 100XR Bed Cap, Factory Tow Mirrors, CenterLine Rims 17x9-5.25 BS, Mag-Hytec Tranny Pan, AutoMeter Gauges, PSC Extreme Hydro Assist Steering, Carli G2 Track Bar, Carli Ball-Joints, Dynatrac FreeSpin Hubs, Snorkel, RCV Axles, EBC Pads & Rotors, Aluminess Front Bumper, BIG Pul-Pal, 60" Extreme Hi-lift Jack, and more riggin' equipment, Carli Long Travel Air Bags, Bilstein 7100 Shocks - Carli Valving, Carli Control Arms, Thuren 3" SoftRide Springs, Thuren Rear Shackles, MagnaFlow Muffler, Crown Stainless Brake Lines, MORE STUFF COMIN'.

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Re: Interchangeability of engines

Post by Dodger » Sun Dec 20, 2015 3:30 am

AllanDickerson wrote:Keep me updatedo n the engine swap .I'd like to do the same thing you are.
So far all I know is the first step is to put a rod through the side of your 5.7!

I'll try to let you know about any difficulties I run into, etc. or if it is really straight forward. My understanding is it is pretty much just a drop-in as the blocks have the same exterior dimensions.

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Re: Interchangeability of engines

Post by Dodger » Sun Dec 20, 2015 3:33 am

RustyPW wrote: TTI headers for a 2500 will fit. you have to give them a call.
Thanks for the information. I'll contact them.

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Re: Interchangeability of engines

Post by 06wagon » Sun Dec 20, 2015 9:07 pm

It'll drop right in. I'm happy that I did the 6.1 swap!!!!
2006 Power Wagon. "Stockish"
A few parts added and deleted to make it go 300' Getting Farther from Stock!!!
1974 Power Wagon..... Going to get a Gen 3 HEMI swap. Future tow rig for the 06.
2016 Power Wagon Laramie. Delmonico Red. 20x12 Predator II's with 33" toyo's. Firestone air bags. B&W gooseneck. More extras to come....

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Re: Interchangeability of engines

Post by AllanDickerson » Mon Dec 21, 2015 8:53 am

I think the only hang ups are deciding if you want to use the 6.1 heads and intake and have to move your accessories and add an electric fan or use the adapter plate to use your truck intake or just port out your 5.7 heads. And tuning it which hemifever could probably do.

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Re: Interchangeability of engines

Post by AllanDickerson » Mon Dec 21, 2015 8:56 am

Dodger wrote: So far all I know is the first step is to put a rod through the side of your 5.7!
I'm still working on step one

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Re: Interchangeability of engines

Post by Dodger » Tue Jun 28, 2016 8:48 pm

RustyPW wrote:
Dodger wrote:Thanks for the responses. I am going with a 6.1 short block with ported/polished 5.7 heads and a Scud cam. I'll be using 6.1 fuel injectors and plan on using the stock intake/throttle body at least for now. I was looking for headers too, but from what I can see none of the long-tubes will fit an '05 and some things I've seen seem to indicate that shorties aren't really much improvement over the stock exhaust manifolds. Any recommendations on headers that will fit an '05?
TTI headers for a 2500 will fit. you have to give them a call.
It's been a long time. Took all this time to get the engine. I have that sitting on a pallet now and wanted to ensure I had any/all parts I might want before getting it installed. With respect to the TTI headers, I called TTI and the person told me that "the earliest Power Wagon their headers will fit is 2006." I asked him if they would fit a 2005 and he said that they would not. I've searched a lot on the net and I am still not sure which long tubes will actually fit a 2005. What is different about a 2005?

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