Aaron Lorell Posted January 18, 2013 Share Posted January 18, 2013 Hello,We are driving a 1971 Mack Fire Truck Cross Country Supporting American Made Products and America's Jobs.I need to replace some fuel lines and do not know where to get the unique fittings that are found on some of the fuel lines. One end has a typical compression fitting and the other end has a fitting that fits over a male fitting that looks a bit like a tire valve stem.Can anybody please help me find these so I can make some new hoses? aaronlorell@gmail.com or 619-252-0347Thank you! Quote Link to comment Share on other sites More sharing options...
Aaron Lorell Posted January 25, 2013 Author Share Posted January 25, 2013 I have gotten the fuel fittings figured out.Question, anyone know what manufacturer was used for the rear diff. I would like to change the gears.Thanks! Quote Link to comment Share on other sites More sharing options...
j hancock Posted January 25, 2013 Share Posted January 25, 2013 Without getting the info based on your truck's serial number and running it, don't know for sure.Buuut......in 1971, it should be a Mack rear axle and gear.There should be a tag or numbers stamped into the housing to say what is in there now and what ratio it has.Take some pictures of this rig and get the serial number and post it here so we can see what you are working on.Jim Quote JimIt doesn't cost anything to pay attention. Link to comment Share on other sites More sharing options...
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