FayettesFinest Posted November 14, 2013 Share Posted November 14, 2013 My uncle has a '74 R686 tri axle, double frame, 237 turned up to a 300, 6spd, steel bed, etc. The cab is in decent shape and all the truck really needs are tires and some TLC.....with the huge exception of the frame being split on the bottom flange between the tandems. I could probably acquire the truck fairly cheap. But if I would, the big question is, should I cut the frame down and make it a tandem, or put new rails under it? With that being said, what exactly is involved with putting new rails under the truck? Quote Being in the process of getting your CDL's is like sitting on death row... Link to comment https://www.bigmacktrucks.com/topic/33497-new-life-for-an-old-dog/ Share on other sites More sharing options...
countryboy5487 Posted November 14, 2013 Share Posted November 14, 2013 Did the flange break because of rust swelling of overloading? If it was overloaded id say ya make ya a tandem. If there is rust swelling its only gonna get worse especially if its already broke one of the frames and the only way to fix it is to have it reframed. Do you have any oics of the truck and it affliction? Quote Link to comment https://www.bigmacktrucks.com/topic/33497-new-life-for-an-old-dog/#findComment-216679 Share on other sites More sharing options...
FayettesFinest Posted November 14, 2013 Author Share Posted November 14, 2013 You know, I can't honestly answer that. It just looks like it split... I don't currently have any but I'll get some up in a few days Quote Being in the process of getting your CDL's is like sitting on death row... Link to comment https://www.bigmacktrucks.com/topic/33497-new-life-for-an-old-dog/#findComment-216740 Share on other sites More sharing options...
BAD DOG Posted November 15, 2013 Share Posted November 15, 2013 If its only a crack it can be fixed. If it's all rusted and swelled then it's iffy! You could cut it off ahead of where it's bad and section in a new piece of frame easier than replacing rails and a easy fix if it's at the rear of the frame especially with a double frame. Quote Link to comment https://www.bigmacktrucks.com/topic/33497-new-life-for-an-old-dog/#findComment-216783 Share on other sites More sharing options...
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