espicer Posted October 9, 2020 Share Posted October 9, 2020 Any ideas how i can get a little more out of this truck? 1975 mack cf with the endt675. Maybe turning up the injection pump? i pulled the cover but i was looking for some guidance on how to turn it up. it has the american bosch pump in it. Thank you??? IMG_0452.HEIC Quote Link to comment https://www.bigmacktrucks.com/topic/64532-looking-to-turn-up-truck/ Share on other sites More sharing options...
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