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Farmall & IHC Tractors Discussion Forum
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direct inject head

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farmall 560

03-14-2007 06:09:18




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has anyone heard of a direct inject head for a D-282 i woundered if someone has tryed to make one thanks for any help




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Owen Aaland

03-14-2007 21:25:46




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 Re: direct inject head in reply to farmall 560, 03-14-2007 06:09:18  
You could probably manufacture some adapters to replace the injector/precup assemblies but that would only be part of the problem. The pistons would have to be changed to include the combustion chamber that you are removing from the head. The injectors would have to come in very close to center of the combustion chamber and the nozzles holes would have to have the correct angles on them so that the sprayed in the right location. If the spray pattern hit the cylinder wall instead of in the combustion chamber you would soon have a scored sleeve and piston.

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Hugh Mackay

03-14-2007 14:59:24




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 Re: direct inject head in reply to farmall 560, 03-14-2007 06:09:18  
Just to add to what the others have said, if you do manufacture such a head, don't expect the bottom end to stand up. You know where that leaves you, "repower with another diesel".



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chadd

03-14-2007 08:52:33




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 Re: direct inject head in reply to farmall 560, 03-14-2007 06:09:18  
You might be able to do it if you have the ability to cast iron in your garage, which most of us can't. The old head just wouldn't work properly as a direct injection setup. The injector needs to inject straight down into a detent in the top of the piston to create a local pressure large enough to ignite the fuel. The injector on the 282 injects into a pre-compression chamber and then the flame front spreads out into the cylinder. You would need to move the injector nozzles without hitting any coolant, oil, exhaust, or air passages. Then you would need to find an appropriate set of injectors, and lastly, you would need to ensure that there is enough distance between the valve seats and the nozzle so that your head doesn't crack. It would require a lot of work. Just buy a DI tractor if you feel you need it.

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Randy in NE

03-14-2007 08:04:29




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 Re: direct inject head in reply to farmall 560, 03-14-2007 06:09:18  
It is going to take a lot more engineering to make a direct injection head than the majority of us can do in our home workshop. If you think about how long it to Farmall, John Deere, and others to get this feat done then I would not hold out hope for you to be able to do this yourself. If you want a direct start diesel then I would suggest that you buy one. That way you know that everything is engineered to work together without causing other problems/issues.

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