It does use the pre-chamber/cup style. Kinda a strange design the nozzle is part of the lower chamber which bolts into the head. Then the upper part of the injector with the ajustment screw and such bolts to the cup. You have to have the upper part and the cup all together to pressure test the injector then put it all back into the head as an assembly. Kinda resembles the large injectors on a IH 460-560. Ring gap was checked about two inches from the top of the bore. Used perfect circle rings With the top chrome, two steel compression and the expander type oil. All compression were .010 to .012 . Rings are in correct with bevel the right way. After I check the injectors one last time I'm going to make some kind if adapter for the glow plug port to check compression. I believe diesel has to have psi of 300-325 just to burn. Injectors are english CAV and so is inj pump. This is a fairly rare tractor in the US but wondering if its worth the headache.
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Today's Featured Article - Fabrication (Who Me? Make it myself?) - by Chris Pratt. First of all, what are the reasons for not fabricatin your own parts? Most judgements on what should be purchased rather than fabricated stem from: Originality - If the tractor restoration is to be 100% original, it is likely that you should spend the time and money to locate the component in the used or New-old-stock market. Since this can be extremely difficult, you may want to fabricate the item or purchase a modern replacement temporarily, but eventually, you s
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