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Old 10-20-2015, 04:22 PM   #1
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Looking for a 6.9l engine

We are on a cross country trip to film all the national parks in 360 Video, in our converted International short bus and we hit a hill in Redding, CA and our transmission slipped and sent our engine into super high RPMs! Bad news! The engine is shredded.

We are looking for someone in the Sacramento/San Francisco area to help us with repairs. Any connections would be appreciated!

We have a mechanic in Redding who is familiar with the 6.9l Diesel engine but doesn't know automatic transmissions. We are looking for some guidance on where to find a used 6.9l international engine and someone who can help us look at the transmission.

Thank you so much! You can reply here or message me at Rowe.derek@gmail.com
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Old 10-20-2015, 04:50 PM   #2
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Welcome and good luck have you tried search tempest?

Good luck
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Old 10-20-2015, 06:15 PM   #3
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The 7.3 idi will also go in without trouble.

The easiest way to get an engine and trans would be out of another bus or truck.
Buy a complete running bus or truck and scrap the body.

Both engines were also in ford pickups, but would need a beefier trans before going in a bus.
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Old 10-21-2015, 07:34 PM   #4
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Thanks for the ideas! I found a Ford 6.9l (1986) about 100 miles from where I am in Redding:

http://mendocino.craigslist.org/pts/5263000378.html

I asked a local mechanic about using parts of my international like (exhaust manifold, intake) to make the Ford work...he said it depends on the year. I figure since the bus is an 1985 and this engine is a 1986 it should work out.

Now I'm talking with the owner of the 6.9l about plans for transporting the engine. Never had to transport an engine before. One thought I had was to tow my bus there instead of transporting the engine.

Worried about getting the engine in and finding out the transmission is shot.
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Old 10-22-2015, 12:09 AM   #5
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Thanks for the advice

I found a Ford 6.9l Diesel from a 1986 F250 in Mendocino, CA

Ford 6.9L DIESEL ENGINE

I am wondering what it would take to find someone near there to take out the International engine and put in the Ford engine. The local mechanic said we would need to take parts off of the dead engine like the exhaust manifold and the intake manifold. He said that it should swap depending on the year.
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Old 10-22-2015, 12:13 AM   #6
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I found a Ford 6.9l Diesel Engine from a 1986 F250 in Mendocino, CA

Ford 6.9L DIESEL ENGINE

I am wondering since its a 1986 will it fit in the 1985 Bus? And if we can pull the parts like the exhaust manifold and the intake manifold off of our engine and put it on the Ford one?

Is this crazy? Too much to ask someone to do?
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Old 10-22-2015, 10:46 AM   #7
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Well I'm in Ohio, so no help here. Not sure of who any of the skoolies are on the west coast. They probably won't see this here so I would use the skoolie map that was on this forum somewhere and pm a bunch of them.

That engine should work. The exhaust manifolds will have to be swapped, they were different for the fords vs commercial stuff. Your flywheel housing will most likely have to be swapped as well. The Intake should be the same however. You might have to swap over cooling/heating fittings and you also will have to swap over accessories(air compressor(if air brakes), alternator, power steering, etc.) You might also have to swap the oil filter/cooler housing(not sure if they were the same between trucks and busses). Other then that, it should work.

Good Luck!
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Old 10-22-2015, 11:36 AM   #8
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Quote:
Originally Posted by Hank's P-O-S View Post
The 7.3 idi will also go in without trouble.

The easiest way to get an engine and trans would be out of another bus or truck.
Buy a complete running bus or truck and scrap the body.

Both engines were also in ford pickups, but would need a beefier trans before going in a bus.
Thanks Hank. I am wondering about the "beefier transmission." Our transmission needs some troubleshooting. Its a Allison AT 545 4-Speed and it started not shifting out of 2nd about 100 miles ago. I started manually shifting it to keep us moving to the nearest city, which worked!, but then we hit a big mountain and it slipped from 4th to 1st on its own and shredded the engine. WUH WAH!

I am wondering from research if it could just be a wiring harness, or a pressure solenoid (rather than the transmission is shot.)

I just found this transmission: http://santamaria.craigslist.org/pts/5218862939.html

I am wondering if it would work since its a 5-speed, eh? (but I think they might be wrong, from what I can see, the 545 is a 4-speed)

I am also wondering now if I put a beefier transmission in, would I get more speed? (I found a Allison 2000 on ebay: http://www.ebay.com/itm/Transmission...-/262095828639)
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Old 10-22-2015, 01:15 PM   #9
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If I'm not mistaken, the 6.9l IDI is actually an International-Navistar engine that was dropped into Ford pick-up trucks as well, no? I'm just wondering... Is your bus chassis an International or a Ford? It's not uncommon for people to think that their International-Navistar engine was produced by Ford. I hear it all the time.
If it's an International and you're planning on swapping the engine and transmission anyway then I'd be inclined to upgrade the whole driveline. I bet a mechanical DT466 and a manual transmission would bolt right up to any International chassis built in the last 40 years. Buying a donor bus seems like the best way to go...
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Old 10-22-2015, 01:18 PM   #10
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DT360 or DT466 would be my choice, as well.
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