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My 1975 Dodge D200 Cummins swap Project

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Old Oct 18, 2006 | 09:35 AM
  #1  
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My 1975 Dodge D200 Cummins swap Project

I purchased a 1975 Dodge D200 Club Cab 2wd 360 v8 automatic that spent 30 years in a shop, its like brand new condition as well as the camper that matches the purchase date. My plan is to put a Cummins engine in this truck camper setup, Yesterday I purchased my donor 1992 D250 club cab 2wd automatic. See pictures. As you know there is not much info on this era truck. The 75 and 92 are both basicly 1ton trucks with single wheels. From what I can find on the 75 only the springs made the difference to the D300 spec.

I want the 75 D200 for lugging the small truck camper on the 75, as well as to maybe pull my companies car trailer into car shows, then I can leave the truck in the show as well, hee hee. Mostly I want the 75 done up because its already an attention getter at the pumps, beautiful Adventurer SE, see web links to pictures at this link. The fuel economy will be a welcome change as well, the 360 is at 12 mpg with the truck camper on it.

http://web.mac.com/rctscanadainc/iWe...e_Cummins.html

I looked at quite a few trucks before I started looking for the donor truck. Both trucks are 1 ton clubcabs 2wd automatics, PS no AC. The 92 is intercooled as well, with trans and engine cooler, intercooler, it also has cruise control on the wheel. I may move this to some place on the dash if I can find a hiding spot as I'm not going to use the 92 column I'm leaving the classic one in the cab.

I have looked at both on the lift side by side and the frames and such look almost identical, in fact the 75 looks thicker in some places as well they are both boxed and such, very strong. Also my 75 has no AC or any other accessories other than power steering.

Motor mounts look to be identical place and both are the same structure so it should go ok, I'm planning on dropping the complete engine trans and diff into the 75. I will have to move the rear trans mount where it sits on the frame as the 360 auto is shorter by about 14 inch's.

The rad will need changing as the hood line along the ridge under the Rams head in the 1st gen truck is higher than the 75 by about an inch and a half. My 75 hood is flat and has low spots near the centre like the old Mopars of the 60's. The rad will take some working out, the intercooler looks fine and will clear all the bits other than the hood release support, I will have to use the 92 one as its flatter to make room for the intercooler. A 2" body lift would solve this and help if there are trans tunnel clearance issues.

Wheel base is exact as is the fuel cell location and mounting is exact. Drive shaft and other parts, power steering and such are all the exact same.

I need to find a wire diagram for the 92 as well, I have a nice one for the 75 from

http://www.classiccarwiring.com/

It was inexpensive and they delivered very fast.

Thanks in advance.

Reg Riemer

My company is in Calgary Alberta Canada, we are a race car shop, called RCTS CANADA R&D INC.

http://www.monsterhorsepower.com

Reg Riemer 403-620-5969

Any comments or experience would be great.

http://web.mac.com/rctscanadainc/iWe...e_Cummins.html
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Old Oct 18, 2006 | 10:06 AM
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Your picture link won't work for me??
I think I would opt out for doing a body swap instead, then sell the remains if everything went ok.
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Old Oct 18, 2006 | 10:44 AM
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Same for me on the link, I too would go for the body swap if the frame is ok in the 92.
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Old Oct 18, 2006 | 10:57 AM
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That 92 looks good from the outside pics you have. It seems an awful shame to kill a nice 1st gen Cummins for your power swap. You should keep the 92, and find a nasty 1st gen with a good powertrain.

BTW, this link will work better

http://web.mac.com/rctscanadainc/iWe...e_Cummins.html

If you do go forward with the 92 for the donor truck, you are really going to need to transfer the entire front suspension. That cummins is heavy. Since they are both extended cabs, a body swap is probably the easier choice.

Edit, I just maximized the 92 picture. Disregard my first comment. You are doing the right thing, LOL.
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Old Oct 18, 2006 | 11:13 AM
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Reg,

I am jealous, I have 1975 Crew cab that I want to pull the 440 out of and drop the CTD into it.

I have done a lot of research and your suspension is the same in both trucks.
You have the 3800 or 4000 lb axle. All parts were the same, but the rating changed depending on the year.

Would you mind taking a "TON" of pictures, I will do this swap one day!! Can you get pictures of the motor mounts for me? Are you going to have to swap the radiator support or not?


Looks like it will be great!! Mc
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Old Oct 18, 2006 | 11:24 AM
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Put the camper on the 92 and you dun........92 is better looking any ways!!!!

If you most,.. do the conversion swapping. The cab bed exc. would be way less time consuming swap to the 92!
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Old Oct 18, 2006 | 11:26 AM
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Originally Posted by flashgordon
Put the camper on the 92 and you dun........92 is better looking any ways!!!!

If you most,.. do the conversion swapping. The cab bed exc. would be way less time consuming swap to the 92!
I like the 75 and it looks less rusty underneath!!
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Old Oct 18, 2006 | 12:57 PM
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intercooler

You say the 92 is intercooled.... You will have trouble with that. It won't fit in the older models. That's why they modified the rad cradles and grills in the late 1st gens. I don't know what problems you'll encounter...but I do know that is one of the major ones.
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Old Oct 18, 2006 | 09:10 PM
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there was a CTD 67 chevy 4x4 on ebay a while back, very nicely done. They made a one piece tilt front end to deal with the radiator support and intercooler issues. I sure wished I'd had the dough, that would be the ultimate truck! I used to have a military surplus 77 dodge W250 and I think the body was tougher than the body on my 92. I've often wished I had the power train in my 92 in an older, tougher truck body...
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Old Oct 18, 2006 | 09:34 PM
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I fixed the link to the pictures

Hello guys, the picture link is working now

Sorry,

I will now read all your posts thanks.

Reg

here is the link so you don't have to go to the top.


http://web.mac.com/rctscanadainc/iWe...e_Cummins.html
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Old Oct 18, 2006 | 09:41 PM
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1st gen is not that great, the frame and the body have lots of rust

1st gen is not that great, the frame and the body have lots of rust

Reg

Originally Posted by willieboy
That 92 looks good from the outside pics you have. It seems an awful shame to kill a nice 1st gen Cummins for your power swap. You should keep the 92, and find a nasty 1st gen with a good powertrain.

BTW, this link will work better

http://web.mac.com/rctscanadainc/iWe...e_Cummins.html

If you do go forward with the 92 for the donor truck, you are really going to need to transfer the entire front suspension. That cummins is heavy. Since they are both extended cabs, a body swap is probably the easier choice.

Edit, I just maximized the 92 picture. Disregard my first comment. You are doing the right thing, LOL.
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Old Oct 18, 2006 | 10:05 PM
  #12  
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I dropped a 94 p-pumped 12 valve into a 78 4x4 dually. I am running the 94 intercooler and nv4500. It is currently a 2wd as I never finished the driveline. I have a 2 1/2 ton t case to put in one of these days to make it a 4x4 again. Alot of my conversion was hand built as I did not have a donor truck, but I will answer any question I can.

You got your work cut out for you.
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Old Oct 19, 2006 | 07:53 AM
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Who knows the real truth about block adapters? Are they different between the 1st and 2nd gen trucks? Are they different between the auto and standard shift trucks?

How much difference is there in the rad. frame support on the IC and non-IC engines?
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Old Oct 19, 2006 | 08:07 AM
  #14  
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From: Lyndon KS
I might have use for some of the left overs from the 92... pm me if you might want to get rid of some of them....
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Old Oct 19, 2006 | 10:47 AM
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Originally Posted by flashgordon
Put the camper on the 92 and you dun........92 is better looking any ways!!!!

If you most,.. do the conversion swapping. The cab bed exc. would be way less time consuming swap to the 92!
Hello Flashgordon, the 92 is rusted right out in the floors and inner box, frame, etc. Thats how I got it for so cheap.

EI: Fred Flintstone Mobile
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