markpwhit Posted February 11, 2016 Share Posted February 11, 2016 Looking for some help. Would anybody know the normal operating temperature range that a flat head 6 cylinder EN402 (Gas) should safely run at?Thanks in advance.Mark Quote Link to comment https://www.bigmacktrucks.com/topic/43958-engine-temperature/ Share on other sites More sharing options...
75T Posted February 11, 2016 Share Posted February 11, 2016 My B-30 wouldn't rise over 180 in the summer going to Macungie. Quote Link to comment https://www.bigmacktrucks.com/topic/43958-engine-temperature/#findComment-323796 Share on other sites More sharing options...
j hancock Posted February 11, 2016 Share Posted February 11, 2016 With all components in proper working order, 180 is where you want to be. Working hard, the upper limit should be 200. Quote JimIt doesn't cost anything to pay attention. Link to comment https://www.bigmacktrucks.com/topic/43958-engine-temperature/#findComment-323806 Share on other sites More sharing options...
markpwhit Posted February 11, 2016 Author Share Posted February 11, 2016 My B-30 wouldn't rise over 180 in the summer going to Macungie.Guys...........thanks for the response. My temperature gauge currently isn't working - and I would like to avoid any issues this summer.Is it difficult to install a new one? Would just to replace the existing with a new. No known issues at this point. Quote Link to comment https://www.bigmacktrucks.com/topic/43958-engine-temperature/#findComment-323816 Share on other sites More sharing options...
j hancock Posted February 11, 2016 Share Posted February 11, 2016 Changing gauge is no big deal. Stewart Warner still had a gauge face that was a pretty good match to the original last I looked. Quote JimIt doesn't cost anything to pay attention. Link to comment https://www.bigmacktrucks.com/topic/43958-engine-temperature/#findComment-323822 Share on other sites More sharing options...
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