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  1. Y

    Engine rebuild L1501 discrepancy

    The old sleeve that was pressed out measured an OD of 3.132". the new sleeve measured 3.150". The only thing I could find searching the internet was someone on a board saying that the sleeve should be 0.004-0.006" larger than the counter bore in the block. My machinist told me he normally...
  2. Y

    Engine rebuild L1501 discrepancy

    The tag saying it's a z750 is on the injection pump so the pump could have been swapped or maybe it was just really early in the production run and they were using up old parts. From what I could find searching the internet, it doesn't look like it really matters if it's a z750 or z751. My...
  3. Y

    Engine rebuild L1501 discrepancy

    Everything I have read says the L1501 should have the Z751 engine. On mine, the tag on the injection pump says Z750. The air filter says Z751. I bought an aftermarket rebuild kit for the Z750. When the machine shop pressed out the liners and went to press in the new liners, the outside...