Chelton Posted January 5, 2013 Share Posted January 5, 2013 I own a Gibson Humingbird I purchased new in 1993. I have adjusted the neck a few times over the years, being that I live in Minnesota and guitars here have a summer neck and a winter neck. At least at my house. For the 1st time a few weeks ago I realized that the truss rod nut is not a regular Gibson nut. I do not know why I never realized it before, but it fits the same truss rod wrench as I use on my Rickenbackers. I called a few friends and found out that another friend of mine has a Gibson acoustic, also from the early 90's, and he has the same truss rod as my Hummingbird. Has anyone ran into this before? Is it something we should be concerned about? Link to comment Share on other sites More sharing options...
dchristo Posted January 5, 2013 Share Posted January 5, 2013 I dont have the guitar any more but, this is the wrench that came with my 92 J 200 and it fits all my other Gibsons.....its a 5/16 Link to comment Share on other sites More sharing options...
modoc_333 Posted January 5, 2013 Share Posted January 5, 2013 i am not saying they don't exist, but I have never encountered ANY gibson that used anything other than the 5/16.... vintage or new. Link to comment Share on other sites More sharing options...
Hogeye Posted January 5, 2013 Share Posted January 5, 2013 I own a Gibson Humingbird I purchased new in 1993. I have adjusted the neck a few times over the years, being that I live in Minnesota and guitars here have a summer neck and a winter neck. At least at my house. For the 1st time a few weeks ago I realized that the truss rod nut is not a regular Gibson nut. I do not know why I never realized it before, but it fits the same truss rod wrench as I use on my Rickenbackers. I called a few friends and found out that another friend of mine has a Gibson acoustic, also from the early 90's, and he has the same truss rod as my Hummingbird. Has anyone ran into this before? Is it something we should be concerned about? Take a close look at the adjustment nut. Is it actually a nut and does the nut turn or is the nut brazed onto the rod and the whole rod turns? One of Gibson's nasty little secrets is that they tried a double adjusting truss rod at about that time. The thing only worked on a couple of guitars and the rest are not adjustable. If I owned a guitar from this period I would certainly take a good look at it and if it is a double acting truss rod I would make sure the thing worked. Most don't. Don't worry about the fact that you have never seen this on a Gibson before. Most haven't and a lot of luthiers have no clue as to how to adjust them. Makes you wonder about how good they are doesn't it? Link to comment Share on other sites More sharing options...
Chelton Posted January 9, 2013 Author Share Posted January 9, 2013 Thank you for the responses - I do have a 5/16" and that is too big. I did look at the nut and it does turn free of the rod and is adjusting the neck so I might be one of the lucky ones. I have also heard from 2 local Gibson dealers that the truss rod experiments went from the early 1990's to at least 2000. Link to comment Share on other sites More sharing options...
Hogeye Posted January 9, 2013 Share Posted January 9, 2013 Thank you for the responses - I do have a 5/16" and that is too big. I did look at the nut and it does turn free of the rod and is adjusting the neck so I might be one of the lucky ones. I have also heard from 2 local Gibson dealers that the truss rod experiments went from the early 1990's to at least 2000. That informaation is incorrect. The dates are 1993 to 1995. Link to comment Share on other sites More sharing options...
ksdaddy Posted January 9, 2013 Share Posted January 9, 2013 I recently flipped a '93 Dove and in going through it for the typical flip setup (clean, new strings, general tweak and checkup) I thought I noticed something odd about the truss rod nut but for the life of me I can't recall. All I remember is that it was "different". It only needed yer typical seasonal tweak anyway, and seemed fine. Link to comment Share on other sites More sharing options...
Guest J-Doug Posted January 9, 2013 Share Posted January 9, 2013 As mentioned in Gruhn's Guide to Vintage Guitars on p.177, you may have one of the double truss rod systems from the mid 90s. I have no other information to offer than that. Link to comment Share on other sites More sharing options...
retrorod Posted January 11, 2013 Share Posted January 11, 2013 If it ain't 5/16"....I jes dunno[confused] Link to comment Share on other sites More sharing options...
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