LuceExcavation Posted February 25, 2015 Share Posted February 25, 2015 Hi I have a 1960 b61T with an ENDT673. I wanna turn the ambac pump up a lil and would like to know how to add some more fuel to it. I got the anti tamper screw out and the 6 bolt top cap is able to come off now. Any help would be great thanks! Quote Link to comment https://www.bigmacktrucks.com/topic/39057-ambac-pump-help/ Share on other sites More sharing options...
theakerstwo Posted February 25, 2015 Share Posted February 25, 2015 Take the cover off of the governor.Look down in there while you mass the gas petal down and the pull the stop lever.Did you see the rack move forward when you give it some gas?You will se a cam on top riding against a stop.What you what to do is move the stop forward about two turns.1/4 wrench is all you need.You go any more and you will burn pistons.You probably will any way but you ask. 1 Quote glenn akers Link to comment https://www.bigmacktrucks.com/topic/39057-ambac-pump-help/#findComment-280526 Share on other sites More sharing options...
LuceExcavation Posted February 25, 2015 Author Share Posted February 25, 2015 Theakerstwo is the governor cover the lil 6 bolt top w/ the anti tamper gulmite screw? Quote Link to comment https://www.bigmacktrucks.com/topic/39057-ambac-pump-help/#findComment-280533 Share on other sites More sharing options...
LuceExcavation Posted February 25, 2015 Author Share Posted February 25, 2015 (edited) ... Edited February 25, 2015 by LuceExcavation Quote Link to comment https://www.bigmacktrucks.com/topic/39057-ambac-pump-help/#findComment-280570 Share on other sites More sharing options...
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