MACKS Posted December 5, 2023 Share Posted December 5, 2023 Would this be a good choice of coolant for a 1996 E7,pretty good deal on Amazon,I want to flush mine out and add new.. 1 Quote Link to comment https://www.bigmacktrucks.com/topic/73618-coolant/ Share on other sites More sharing options...
JoeH Posted December 6, 2023 Share Posted December 6, 2023 I think I read on here a few years ago that you should check your coolant with a voltmeter to check it's health. I forget what settings to run and what number range to look for, but the engine coolant i tested checked out well. I guess the stuff goes bad and will cause electrolysis, which is basically what the voltmeter is testing for. 1 Quote Link to comment https://www.bigmacktrucks.com/topic/73618-coolant/#findComment-543000 Share on other sites More sharing options...
Full Floater Posted December 9, 2023 Share Posted December 9, 2023 (edited) It would probably be fine, but without an aluminum rad (which I doubt you have) nitrite free coolant isn't doing you any good. The nitrite containing coolant offers better cavitation protection, so they say. My main choice for all diesels, and I have quite the fleet of old iron; is... I've been running it in everything for well over a decade. Maybe 2 decades now https://www.tenaquip.com/product/prestone-command-heavy-duty-esi-concentrate-antifreeze-coolant-378-l-jug-74005-flt537 Edited December 9, 2023 by Full Floater Quote Link to comment https://www.bigmacktrucks.com/topic/73618-coolant/#findComment-543196 Share on other sites More sharing options...
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