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401 Case with low horsepower

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Author 
Jeremy

11-29-1999 19:41:20




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I recently purchased a Case 401 diesel and have gone through it. It has all new oil, filters, and fuel. The air cleaner is cleaned out and new oil in it too. I also adjusted the vlaves to .012" cold. It runs really well with no blow by or excessive exhaust smoke. And it starts really well, even in cooler weather. But when I put it on the dynamometer, it only porduced 37 hp at rated rpm and we pulled it all of the way down to 44 hp. Any possabilities why? I am planning on putting the injectors on the test stand and then checking the pump timing. The injectors don't rattle at all lik on our 500. My boss seemed to think that the pump was out of time. Please help. There is a picture of it on my web page just for interest.

http://pasture.ecn.purdue.edu/~sweetenj.farm.html

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