I have a IH 684 with the D239 engine and am kicking around the idea of adding a turbo to it. I know this engine was factory turboed in the TD8E crawler loaders but I have not been able to find out any other info like was there any internal engine changes between the two, or did the injection pump on the turbo model have a feature like the 5.9 Cummins 12v P-pumps that sensed boost and adjusted fuel accordingly? I can't remember what that's called. I have searched for manifolds, turbos etc needed to convert but have come up empty so far. I'm not in a hurry to try this, just thought it would be a fun project to tinker with one day. If someone has a TD8E some pics would be very much appreciated!
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