Ih 9.0
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Senior User
Joined: Jan 2007
Posts: 167
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Ih 9.0
anyone ever play w/ one of these school bus engines, the International Harvestor 9.0 from the 80's? I'm wondering how much of a chore it would be to fit one under the hood of an f350 and get her going...
Logistics Pro
Joined: Dec 2005
Posts: 4,644
Likes: 55
From: Moro Bay, AR
I was working for IH when these engines were introduced. Between head gasket failures and excessive oil use, most didn't last long. The major problem we found with oil use was missing rings on the pistons 
This is no joke.I don't know who was building these things or who was in charge of quality control, but they were not doing their job.
This is no joke.I don't know who was building these things or who was in charge of quality control, but they were not doing their job.
Elder User
Joined: Apr 2006
Posts: 894
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From: South Dakota
If you really want to do a project like that, I think the Ford 7.8L that you find in heavy duty trucks would do a little better in the F350 Frame. Sits a little higher and is a little longer but alot easier to fit than that big 9.0L would...
i ain't rite
Joined: Mar 2005
Posts: 65,447
Likes: 5,517
From: Marlboro Mental Hospital.
Dave, are you talking about the Brazilian six cylinder??
those things are not much better. if the oil pump wears out, you throw the engine away, cause you can not get a new one. i lucked out and was able to rebuild it, but the next time i am up the Creek.
those things are not much better. if the oil pump wears out, you throw the engine away, cause you can not get a new one. i lucked out and was able to rebuild it, but the next time i am up the Creek.
Senior User
Joined: Dec 2006
Posts: 344
Likes: 3
From: Byron New York
The old 9L they did sound pretty tough. Gutless fuel chewing dogs but sounded cool. They were the 545 gas engine convertion. The blocks were tough and if you got through the 1st overhaul with updated heads etc they wern't to bad. They were the best cold starting diesels I ever dealt with. They came with the ether cold start assist on the rigs we used but they were never used. I worked for a School Bus garage part time and we had a mixture back then. 6.9L, 7.3L. DT466 and the 9.0L. On the below zero days all but the 9.0L needed to be plugged in overnight or slave started in the morning. Not once did we have a problem with starting them. Other problems though some head gaskets must have got lucky we had all our piston rings. But fuel wow bring your wallet! The engine would fit but she weighs in around 1700-1800 lbs as I recall. The exhaust pipes would have to go on the outside of your frame right from the manifold. They did on the passenger side on a school bus and that side seemed to crack the exhaust manifold. Had the pleasure of changing a few.
I would say a lot of work from start to finish and beyond.
I would say a lot of work from start to finish and beyond.
