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Old 09-13-2019, 07:34 PM   #1
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1989 37' Airstream 370
Howick , Quebec
Join Date: Aug 2013
Posts: 24
Donor Truck

Hi Just bought my donor truck for a diesel transplant in to my 1989 370 LE. A 1997 cummins diesel turbo intercooled and air to air with a 47 re transmission, good winter porject. Malcolm
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Old 09-13-2019, 08:01 PM   #2
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2019 27' Globetrotter
McHenry , Illinois
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That sounds like a one fine transplant!

I wish I lived closer, would love to see it up close. Iíve done several engine swaps in my garage but your diesel donor in an Airstream motorhome is very cool.

Please post photos and status updates during the process. Good luck!
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Old 09-14-2019, 03:51 AM   #3
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2007 30' Classic S/O
Somewhere , South Carolina
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That is a robust old school Cummins. I owned one. Just checking, are you aware of the killer dowel pin KDP status on your donor engine?

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Old 09-14-2019, 06:41 AM   #4
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1989 37' Airstream 370
Howick , Quebec
Join Date: Aug 2013
Posts: 24
killer pin

Yes I am, I've done a gas to 5.9 diesel before, thanks for the concern. Malcolm
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Old 09-14-2019, 07:57 PM   #5
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2005 34' Classic S/O
2006 39' Land Yacht 396 XL
north blenheim , New York
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Pretty cool...,,Regards, Bob
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Old 09-21-2019, 01:53 PM   #6
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1987 34.5' Airstream 345
Menomonee Falls , Wisconsin
Join Date: Jul 2010
Posts: 416
That is very cool.
Could you document your swap. A 5.9 will fit right in there with a little fabricating. But the weird stuff like wiring it, the brake drum on the trans , those are the adventure part of the swap I don't like.
I had a 91 pickup w a 5.9 and a 5 speed manual. Loaded all the time, it pulled 18.7 mpg went to Canada once. 2 tanks up there, 23.5 mpg. Go figure. Better fuel I guess. My dodge weighed in at just over 8000 PDs. You should get at least 12-14 mpg I would think. Those engines are bull it proof. Gas mileage went up even more when they went to the 32 valve system. But it got more complicated from a wiring standpoint. I'd be very interested in your setup. I can alway pull my 454 and stick it in something else. Maybe a 55 Chevy. DJ
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Old 09-22-2019, 07:24 AM   #7
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1989 37' Airstream 370
Howick , Quebec
Join Date: Aug 2013
Posts: 24
Doner truck

Hi This is going to be a winter project. My truck is a 97 the last year with a mechanical pump and a 47 re transmission which I'll get beefed up. When I start I'll post lots of pictures. Malcolm
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