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Ford 460 ci, just removed most of the oem, emmision devices
as we are going to be using this engine in a off road use, and there are no emmision contols in this area, it is in a 1986, f350 3/4 ton 4wd truck, after replacing the necessary vacum lines, ie vacum advance on distributo, and the throttle pull off, etc. can detect no vacum leaks, and havent touch the timing or dwell etc, No engine is bkfiring thru carb, and wont start I have checked firing order and plug wires, and all I can think might be causing tro. ???? Help!!
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