fast fred Posted October 26, 2022 Share Posted October 26, 2022 hi guys Any body have a good experience with a good gearbox oil for mack 12 speed triple counter shaft gearbox out of 88 mod valueline ?? Been told some oils mack shifting easier and run quiter ?? Quote Link to comment https://www.bigmacktrucks.com/topic/70622-88-value-liner-12-speed-e-6-motor-44-ooolb-diffs/ Share on other sites More sharing options...
0 Popular Post Joey Mack Posted October 26, 2022 Popular Post Share Posted October 26, 2022 I just remember good ole' 80W90..... 3 Quote Link to comment https://www.bigmacktrucks.com/topic/70622-88-value-liner-12-speed-e-6-motor-44-ooolb-diffs/#findComment-513620 Share on other sites More sharing options...
Question
fast fred
hi guys
Any body have a good experience with a good gearbox oil for mack 12 speed triple counter shaft gearbox out of 88 mod valueline ?? Been told some oils mack shifting easier and run quiter ??
Link to comment
https://www.bigmacktrucks.com/topic/70622-88-value-liner-12-speed-e-6-motor-44-ooolb-diffs/Share on other sites
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