Editing How to rebuild a Rochester Quadrajet 4MV carburetor (section)
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=====No drilling/Teflon bushing fix===== [http://67-72chevytrucks.com/vboard/showthread.php?p=4688535 No Drilling / Teflon Bushing Article] shows how to re-bush the primary shaft with no drilling by cutting a teflon sheet into small strips, as shown below. The teflon sheets are available from smallparts.com as well as many other sources online. If this is attempted, be sure that the amount of wear is measured so the right thickness of teflon sheet is used. [[File:QJet 3.jpg|500px]][[File:Teflon_bushing.jpeg|530px]] This fix leaves the body original, however a correctly done repair will not detract from the value of a carb in most cases, in fact it adds to it due to the permanent nature of fixing it with a brass/oilite-type bushing as opposed to using a material like teflon that will wear out much sooner than a bushing.
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