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welded in boss' for boxed frames

956 views 4 replies 4 participants last post by  willys36@aol.com 
#1 ·
I'm preparing to box the frame on my 34 ford coupe. I have searched the databases here and can't find the answer to this question.

For the bolts that hold the body and fenders on the frames there is a washer and nut on the inside of the frame, if boxed obviously one can't get to these nuts to tighten or loosen them. So is it acceptable to tack weld a larger diameter washer to the frame then tack the nut to the washer making a welded in boss for adjustments etc.
 
#4 ·
I prefer to tap out rounds with the correct thread for these kinds of fittings, nuts tend to warp from the welding heat. A piece of 2 inch round 1" deep with the correct thread drilled and tapped into it makes a nice beefy chunk of steel to weld on. The main benefit is you don't have to chase the thread after welding since it doesn't warp.
 
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