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72 K5 Frame Help

HeavyMetal72

1/2 ton status
Joined
Mar 23, 2005
Posts
122
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Location
Las Cruces, NM
I posted this is the 67/72 Forum, but no resposes yet. Mind if I post it here, as well?:doah:
I am in the process of rebuilding my 72 K5. I am using a different frame than originally came with the Blazer, because the other was too damaged to repair, at a reasonable cost and effort. I have mounted the axles on 6" lift springs up front and a shackle flip and 2" springs in the back. I have installed the engine, tranny and transfer case. Everything has intalled o.k., except when I went to install the torque mount onto the transfer case/frame. It's about a 1/8th to a 1/4 of an inch from lining up at the holes in the frame. I measured the frame diagonally from point A to B on both sides of the frame.......it's about the same amount off. A guy at a body shop said to loosen everything up, install the bolts, then tighten it all back down. Doesn't sound kosher to me! Will this offset make a difference? Should I slot the holes and make it work? Or should I find another bodyshop, with a frame machine, and have them pull it out. I just don't want to have drivetrain problems down the road.
Thanks for the help!!
 
The body shop advice sounds reasonable. With all the tweaking and flexing a 40 year old frame have been through, the original factory tolerances aren't going to be there anymore. Should be easy to loosen up the motor, trans, and torque mounts and shift it around a bit.
 

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