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Old 10-31-2012, 02:34 PM   #11
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Originally Posted by jeeplj8 View Post
I am with those who think there is really no safe way to do it. Even with solid 2inch stock, you are talking about 2-3 ft in length to extend it, and I would become concerned about the forces that might bend/twist it.

If you cannot canti-lever your sled deck, have you thought about building a frame extension for your truck? remove the rear bumper, built a frame extension out of 6 inch c channel with cross members. make it a really long bed.
I have thought of this. My idea is to weld two additional posts on ether side of the frame, then welding two braces off ether side of the end of the receiver going back toward the new welded on receivers on ether side of the frame that will have hitch pin, solid square ends that will slide in giving the hitch additional bracing on both sides of the frame...thoughts?
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Old 10-31-2012, 02:39 PM   #12
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That is the basic method they use to make a tow truck, so I think it should work well.

Make sure you have several braces to box it out well. I would recommend going with 6 inch c channel, basically as strong as the existing frame.

The only thing I might change is to make it bolt on, using the existing bolt holes for your receiver and bumper.
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Old 10-31-2012, 03:03 PM   #13
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Why bolt it and not weld? I thought about just bolting it up, but in my vision I saw just welding the square receptacles up to the frame where bolts would interfere with the hitch sliding in.
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Old 10-31-2012, 03:11 PM   #14
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The only reason I would bolt is so it would be removable.

Some people recommend against welding direct to the frame on a modern vehicle with anything short of a tig. It has something do with heat treated steel and crumple zones. Pretty in depth analysis on some sites about what you can/should do. I have welded to frames before, but that is my own junk.
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Old 10-31-2012, 03:37 PM   #15
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As a retired design engr, regardless of how you attach it, you are playing with fire. Redesign the bed on the truck to go up the back of the cab and forget extending the hitch, it is kinda like Ralph Nader's book on the Corvair, "Unsafe at any speed". Just MO.
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Old 11-06-2012, 02:31 PM   #16
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Update, for anyone interested. It looks like a product called a "super hitch" is what I need. A truss style hitch that will allow me to tow up to 14000lbs with a 24" extention. anyone use one of these before?

http://www.rvwholesalers.com/catalog...FW-CQgod-GAAuQ

this one is a little long for my needs, and when you go longer you lose weight ability
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Old 11-06-2012, 02:47 PM   #17
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Old 11-06-2012, 05:59 PM   #18
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http://www.rvwholesalers.com/catalog...FW-CQgod-GAAuQ

this one is a little long for my needs, and when you go longer you lose weight ability
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