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360 to 440 swap in Trailduster - parts #2687260
08/13/19 01:42 PM
08/13/19 01:42 PM
Joined: Feb 2003
Posts: 1,228
Maple Valley, WA
70mopes Offline OP
pro stock
70mopes  Offline OP
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Maple Valley, WA
Can anyone help me out with what I would need to swap a 440 into my 74 Trailduster? It is in stock original condition currently with a 360 auto.

I have a 440 and a big block 727 out of a 68 Plymouth wagon.

Advice on what I would need to make it happen?.

Any leads on parts/parts sources would be appreciated.

Re: 360 to 440 swap in Trailduster - parts [Re: 70mopes] #2687266
08/13/19 01:53 PM
08/13/19 01:53 PM
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Lost and Spaced
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bboogieart Offline
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Water-pump, motor mounts, oil pan and pick-up, exhaust manifolds, linkages for a start.


I have mechanical Aptitude.
I can screw up anything.
Re: 360 to 440 swap in Trailduster - parts [Re: bboogieart] #2687423
08/13/19 08:24 PM
08/13/19 08:24 PM
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Posts: 10,538
Freeport IL USA
poorboy Offline
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If the Trailduster is a 4x4, you will need to swap the output shaft from your small block 727 into the big block 727.

I believe you also need to add some extra length to a few wires to reach stuff on the big block. Gene

Re: 360 to 440 swap in Trailduster - parts [Re: poorboy] #2687625
08/14/19 10:39 AM
08/14/19 10:39 AM
Joined: Nov 2003
Posts: 12,494
Western Colorado High Desert
moparmarks Offline
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2wd or 4wd? Make a difference on the mounts.
Saw your want ad. Your asking for 75 and up mounts so I'm guessing 4wd?

Motor mounts BB Trucks.JPG

72 Satellite Sebring Plus 440, 72 Dart 5.9 4-spd, 68 Valiant, 73 W200, 78 D100 sb, 78 D200, 98 DAKOTA, .
Moparmarks Parts & Restorations
Desert Mopar Metal
Grand Jct. CO
970-261-7039
http://moparmark.com/
motormangj@gmail.com
Re: 360 to 440 swap in Trailduster - parts [Re: moparmarks] #2687723
08/14/19 02:17 PM
08/14/19 02:17 PM
Joined: Feb 2003
Posts: 1,228
Maple Valley, WA
70mopes Offline OP
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70mopes  Offline OP
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Yes it is a 4x4. It is a 74 Trailduster too. Seems that it would have specific motor mounts for a 4x4 for that year.

Last edited by 70mopes; 08/14/19 02:18 PM.
Re: 360 to 440 swap in Trailduster - parts [Re: 70mopes] #2687757
08/14/19 05:36 PM
08/14/19 05:36 PM
Joined: Nov 2003
Posts: 12,494
Western Colorado High Desert
moparmarks Offline
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Western Colorado High Desert
The mounts all revolve around weather it has a married or divorce transfer case.


72 Satellite Sebring Plus 440, 72 Dart 5.9 4-spd, 68 Valiant, 73 W200, 78 D100 sb, 78 D200, 98 DAKOTA, .
Moparmarks Parts & Restorations
Desert Mopar Metal
Grand Jct. CO
970-261-7039
http://moparmark.com/
motormangj@gmail.com
Re: 360 to 440 swap in Trailduster - parts [Re: moparmarks] #2687811
08/14/19 07:41 PM
08/14/19 07:41 PM
Joined: Nov 2003
Posts: 12,494
Western Colorado High Desert
moparmarks Offline
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Western Colorado High Desert
Ok so you have a 74 but your wanting the 75 and up mounts? Is your transfer case married or divorced? 74 should be divorced.
I probably have mounts, water pump housing and the oil pan. Just need to know which mounts you need.


72 Satellite Sebring Plus 440, 72 Dart 5.9 4-spd, 68 Valiant, 73 W200, 78 D100 sb, 78 D200, 98 DAKOTA, .
Moparmarks Parts & Restorations
Desert Mopar Metal
Grand Jct. CO
970-261-7039
http://moparmark.com/
motormangj@gmail.com
Re: 360 to 440 swap in Trailduster - parts [Re: moparmarks] #2687840
08/14/19 09:26 PM
08/14/19 09:26 PM
Joined: Jan 2003
Posts: 273
WV
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Danny Offline
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WV
im no expert, but i dont think the trailduster or ramcharger ever had divorced transfer case, even first year production

Re: 360 to 440 swap in Trailduster - parts [Re: Danny] #2687858
08/14/19 10:23 PM
08/14/19 10:23 PM
Joined: Dec 2012
Posts: 257
Alberta
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440_Offroader Offline
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440_Offroader  Offline
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Alberta
Good point. Wonder if a 74 Ramcharger would have the 203 or 205 transfer case? Never paid attention to that as my focus is usually on the half doors on the 74s. BTW, you'll need the smaller diameter brake booster too.

Re: 360 to 440 swap in Trailduster - parts [Re: 440_Offroader] #2687869
08/14/19 11:11 PM
08/14/19 11:11 PM
Joined: Nov 2003
Posts: 12,494
Western Colorado High Desert
moparmarks Offline
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Posts: 12,494
Western Colorado High Desert
Ya I don't know about the Ranchargers. Have had a gazillion trunks and no Ranchargers.
You can use the larger booster with the BB. At lease I did.

20160713_100814.jpg

72 Satellite Sebring Plus 440, 72 Dart 5.9 4-spd, 68 Valiant, 73 W200, 78 D100 sb, 78 D200, 98 DAKOTA, .
Moparmarks Parts & Restorations
Desert Mopar Metal
Grand Jct. CO
970-261-7039
http://moparmark.com/
motormangj@gmail.com
Re: 360 to 440 swap in Trailduster - parts [Re: moparmarks] #2688079
08/15/19 03:39 PM
08/15/19 03:39 PM
Joined: Feb 2003
Posts: 1,228
Maple Valley, WA
70mopes Offline OP
pro stock
70mopes  Offline OP
pro stock

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Posts: 1,228
Maple Valley, WA
The truck is bone stock 1974 Trailduster. It has the NP 203 full time drive setup with a column shift 727A tied to a 360. I asked about the '75 mounts because while researching this swap, I saw that those were brought up on a couple threads....

Last edited by 70mopes; 08/15/19 03:42 PM.






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