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Old Jan 3, 2008 | 05:24 PM
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From: Munroe falls, Ohio
heui noise

At work I drive an 1999 International 4700 with a DT466E. It doesnt have the heui noise or injector tick like my 94 PSD. It has the same diesel knock as my truck, but thats it. Would it have split shot injectors or is that just the SD PSDs? Just wondering.
 
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Old Jan 3, 2008 | 08:15 PM
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Originally Posted by 84-250
At work I drive an 1999 International 4700 with a DT466E. It doesnt have the heui noise or injector tick like my 94 PSD. It has the same diesel knock as my truck, but thats it. Would it have split shot injectors or is that just the SD PSDs? Just wondering.
We have a small fleet of Internationals, I do know the T444Es (7.3) got the split shot injectors around 1997 or so. The DT466 wasn't even electronic before 1997 so maybe it got them when they went HEUI around the same time.
 
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Old Jan 4, 2008 | 07:55 AM
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Are split shots that much quieter than single shots?
 
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Old Jan 4, 2008 | 08:08 AM
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Originally Posted by 84-250
Are split shots that much quieter than single shots?
Yes, that's why Ford put them in.
 
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Old Jan 4, 2008 | 08:31 AM
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Originally Posted by Pocket
Yes, that's why Ford put them in.

According to International, the benefits of split shot injectors were; Compatible with JP-8 Jet fuel (United Parcel Service desire), reduced combustion knock and reduced levels of oxides of nitrogen emissions.
 
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