mfg Posted April 3, 2017 Report Share Posted April 3, 2017 On a '63 Studebaker Avanti, the fitting for the fuel return line has a ----?---- orifice in it..........1) .020........2) .040.........3) .050....or......4) .060 Link to comment Share on other sites More sharing options...
mfg Posted April 4, 2017 Author Report Share Posted April 4, 2017 No thoughts here? Link to comment Share on other sites More sharing options...
lschuc Posted April 5, 2017 Report Share Posted April 5, 2017 Believe it is probably 1) .020" Link to comment Share on other sites More sharing options...
brad Posted April 5, 2017 Report Share Posted April 5, 2017 .045 is what I drill 'em out to Link to comment Share on other sites More sharing options...
mfg Posted April 5, 2017 Author Report Share Posted April 5, 2017 (edited) My info says ..040...I don't know if that's 'written in stone', but if it is #2 would be the correct answer! (once again, not certain) Edited April 5, 2017 by mfg Link to comment Share on other sites More sharing options...
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