Quote:
Originally Posted by rocky raccoon
True dat. My 83 OM617 had vac controlled EGR until I removed it.
I recommend removal and block-off of your EGR unless needed for emission inspection. The primary function of the EGR on our old Diesels is to fill the intake manifold with sticky scum.
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Yup already removed it, was just checking to see if the 81 had the module so I could use it to pull a tach signal.
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