Maddog13407 Posted January 25, 2021 Share Posted January 25, 2021 on this taboo topic again. workin on a 711, new heads and top end. anyone have a part number for the valve seals on the intakes? one i pulled apart for the heads had NO intake seals, other motor with a good bottom end has 5 out of 6 seals and the last had an O ring someone put on. didnt Mack use to sell a kit with the metal shrouds and washers with the seals with them???? 1 Quote Link to comment https://www.bigmacktrucks.com/topic/65661-end711/ Share on other sites More sharing options...
theakerstwo Posted January 25, 2021 Share Posted January 25, 2021 All i remember from mack was a o.ring under the little hat.The seals could be found thru after market parts. Quote glenn akers Link to comment https://www.bigmacktrucks.com/topic/65661-end711/#findComment-467612 Share on other sites More sharing options...
Rob Posted January 25, 2021 Share Posted January 25, 2021 When I had the heads off my turbocharged 711 engine I had the machine shop install new seals and I think they came from Perfect Circle; but it's been quite some time since and I could be incorrect. Quote Plodding along with no job nor practical application for my existence, but still trying to fix what's broke. Link to comment https://www.bigmacktrucks.com/topic/65661-end711/#findComment-467613 Share on other sites More sharing options...
theakerstwo Posted January 26, 2021 Share Posted January 26, 2021 855 cummins did not use a seal on the valves untill the N14. Quote glenn akers Link to comment https://www.bigmacktrucks.com/topic/65661-end711/#findComment-467674 Share on other sites More sharing options...
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