Quote:
Originally Posted by gkesseru
I'm just about to do this swap putting an 81 entire front end into a 68 C10. I just found out that the 81 measures a 1/4" wider at the frame at this point than the 68. It looks like I may have to grind off the rivets of the front cross piece so that the frame may spread this 1/4". Or can I just force it? Another difference that I noticed is that the 68 frame is 1/2" taller (5 1/2" inside vs. 5" for the 81). As a result, I may have to use the 81 motor mounts but bolt the mount-perch inside the C frame inside of above it as in the 81.
Anyone else done this?
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How did you find out? Did you measure it or someone tell you? I have a 1980 5/8's ton (heavy half) and everything lined up perfectly, other than having to enlarge a few of the bolt holes in the frame. Just geussing but if your going off a measurerment, maybe the frame has had some damage and be off. But whatever it is I hope ut works out for you....