acesneights1 Posted April 30, 2016 Share Posted April 30, 2016 I had found a few threads here but none seem to help with my situation. I have an ENDT 673 non oil squirter. It has tow canister filters(I think one is a bypass ?). The truck takes forever to build oil pressure on cold start up. A friend of mine gave me a spin on filter setup complete with oil cooler. it looks like it will bolt right in place of what I hve but he said he "thinks" I have to drill a hole in the bottom and then into another chamber so the passage for the oil squiter goes back to the pan and then tap and plug the first hole I drilled to make the second hole. Also Mack will not help me at all and I need part numbers for the gasket for the oil filter housing to block and oil cooler to waterpump. Thanks Quote Link to comment https://www.bigmacktrucks.com/topic/45033-spin-on-filter-swap-for-an-endt-673questions/ Share on other sites More sharing options...
j hancock Posted April 30, 2016 Share Posted April 30, 2016 Not aware of anyone doing this particular swap. Here is a oil diagram of a 673C which may give you some assistance. Because of the military aspect, the filter housings may be different then a regular set up. Quote JimIt doesn't cost anything to pay attention. Link to comment https://www.bigmacktrucks.com/topic/45033-spin-on-filter-swap-for-an-endt-673questions/#findComment-331937 Share on other sites More sharing options...
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