Maddog13407 Posted April 9, 2016 Share Posted April 9, 2016 I know its been mentioned here before and 39babymack Ron said something about timing an injection pump. what is involved in takin a bad pump off a 237 and putting one on from a running engine? I have had pump off many 673's and 711's but they were just take one pump off, don't turn engine and put pump back on. would anything have to be timed? I have a good running 237 with a bad pump and have one off a runnin 237 to put on. just asking?? Quote Link to comment https://www.bigmacktrucks.com/topic/44725-pump-from-engine-to-engine/ Share on other sites More sharing options...
fjh Posted April 9, 2016 Share Posted April 9, 2016 (edited) As long as the pump drive is the same the timing should be close enough to run depending on the year! Older engines were Tang drive newer engines were coupling driven If the pump housing has a screw in plug it is tang drive If the housing has a place for a plug but is cast over then it is coupling driven Edited April 9, 2016 by fjh 2 Quote Link to comment https://www.bigmacktrucks.com/topic/44725-pump-from-engine-to-engine/#findComment-329891 Share on other sites More sharing options...
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