TWJ721 Posted September 25, 2020 Share Posted September 25, 2020 just wonder what my path needs to be have 523,000 miles on this engine do not know history but so far we have replaced exhaust manifold mass air senor tube, turbo so is it time for bottom end or engine swap , use a bout 1 gallon and half on 12,000 mile oil change Thanks for input Quote Link to comment https://www.bigmacktrucks.com/topic/64355-19000-hrs-and-523000-miles-on-a-2005-mack-ac-460/ Share on other sites More sharing options...
Dirtymilkman Posted September 25, 2020 Share Posted September 25, 2020 Get an oil analysis done. 1 Quote Link to comment https://www.bigmacktrucks.com/topic/64355-19000-hrs-and-523000-miles-on-a-2005-mack-ac-460/#findComment-461351 Share on other sites More sharing options...
storkmack Posted September 25, 2020 Share Posted September 25, 2020 Agreed on the oil sample. Personally, I would not worry To much about a gallon and half on 12000. Quote Link to comment https://www.bigmacktrucks.com/topic/64355-19000-hrs-and-523000-miles-on-a-2005-mack-ac-460/#findComment-461377 Share on other sites More sharing options...
mrsmackpaul Posted September 25, 2020 Share Posted September 25, 2020 Thats bugger all oil use in the grand scheme of things Yes it's some but not bad Paul 1 Quote Link to comment https://www.bigmacktrucks.com/topic/64355-19000-hrs-and-523000-miles-on-a-2005-mack-ac-460/#findComment-461379 Share on other sites More sharing options...
Nobody454 Posted September 25, 2020 Share Posted September 25, 2020 my 6NZ cat used 1 gallon every 5000 miles from the day i owned it with 600k till the day i sold it with 950k never a problem Quote Link to comment https://www.bigmacktrucks.com/topic/64355-19000-hrs-and-523000-miles-on-a-2005-mack-ac-460/#findComment-461380 Share on other sites More sharing options...
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