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John McCabe
New Member
6 Posts |
 Posted - 03/14/2011 : 11:09:47 PM
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I have written about my truck before and you guys were quite helpful. I thought I may add a little more information and see what else you suggest.
The story began when a had two drops in power on an engine with on 50,000 original miles. The truck is a 9.0 litre International from 1987. We determined that a head gasket was bad. We removed and replaced the head gaskets, shaved the head 1/1000 of an inch. (I know someone mentioned that they weren't supposed to be shaved at all.)
Anyway the truck was blowing out unburned fuel.We traced it down to a single cylinder. Most of the smoke was coming from one cylinder but some is still some coming out of the engine. So we removed the fuel line and capped it. This obviously put a crimp in power but not enough to take it off the road.
I have an effective street life of this truck of 4 years. After that it will need to be removed from the road because of carb legislation or have an engine swap.
If most of the unburnt fuel passage is through one cylinder does that automatically mean it is a cylinder that is faulty? Could it also be a problem with the main injector pump? Could timing have jumped or moved in any way? What would I use to check fuel pressure if this is another possible issue? Is it possible that the main injector pump is leaking internally and putting twice the fuel into one cylinder?
Does anyone know how difficult an engine switch would be on this engine? Maybe one that will meet the carb requirements> |
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wagonmaster
Top Member
USA
2298 Posts |
Posted - 03/15/2011 : 06:12:34 AM
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| Sounds like it could be a bad injector/nozzle for that cylinder. |
Joe
Land of the Free, because of the Brave! |
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C.HARDY
Advanced Member
354 Posts |
Posted - 03/15/2011 : 3:23:31 PM
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| Internationals are fairly easy to do engine swaps. Keep in mind nothing will be the same, radiator, engine mounts, etc. I have swapped engines in two school buses from 7.3L to DTA360. I had two wrecked buses that were used for donors so I had all the parts I needed. The holes were already in the frame and all I had to was move the engine mounts and did swao the front cross member. If you could find a wrecked truck with the drive train want them its mainly swapping parts. |
"Hardybusman" |
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John McCabe
New Member
6 Posts |
Posted - 03/16/2011 : 12:35:42 AM
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quote:
Originally posted by C.HARDY
Internationals are fairly easy to do engine swaps. Keep in mind nothing will be the same, radiator, engine mounts, etc. I have swapped engines in two school buses from 7.3L to DTA360. I had two wrecked buses that were used for donors so I had all the parts I needed. The holes were already in the frame and all I had to was move the engine mounts and did swao the front cross member. If you could find a wrecked truck with the drive train want them its mainly swapping parts.
Thanks for the feedback. I guess as you say they probably have a huge amount of interchangability because International uses so many different engines on the same chasis. I have toyed with the idea of even going back o a gas engine because it may be easier to get through emmisions. |
Edited by - John McCabe on 03/24/2011 7:37:44 PM |
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John McCabe
New Member
6 Posts |
Posted - 03/16/2011 : 12:37:46 AM
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| I did change all of the injectors when I changed the head gaskets. |
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John McCabe
New Member
6 Posts |
Posted - 03/24/2011 : 7:34:51 PM
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quote:
Originally posted by John McCabe
quote:
Originally posted by C.HARDY
Internationals are fairly easy to do engine swaps. Keep in mind nothing will be the same, radiator, engine mounts, etc. I have swapped engines in two school buses from 7.3L to DTA360. I had two wrecked buses that were used for donors so I had all the parts I needed. The holes were already in the frame and all I had to was move the engine mounts and did swao the front cross member. If you could find a wrecked truck with the drive train want them its mainly swapping parts.
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9.0 Litre International
