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Discussion Starter #1
Putting the finishing touches on GIZMO now. Sami's have that pipe across the front that is about as thick as exhaust pipe. Before I hang that bumper back on I would like to have a bit more meat across the front. The pipe on mine has a slight bow out where the tow-loop is located. I guess at one time it got jerked pretty good and bent out a little. I would like to drive a pipe through the tube. Does anyone know the OD of the pipe that I need to do this?


GIZMO
 

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are you putting the stock bumper cover back over the front tube? or are you mounting an aftermarket bumper? Those tow loops should be bolted to the frame members that the tube is attached to, they shouldn't be mounted to the tube itself. That little thing isn't meant to be a load bearing part and it is designed to bend when it hits something. If you reinforce it and get in a collision, you may end up bending your frame instead. The inside diameter of the tube is 1 3/4 inches.
 

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There are a couple of bumpers that are made up in the PNW that mount to the frame rails, but also hook onto the tube for added support. The pipe through the front tube is a great idea that has been used for awhile now. One thing that also helps is to trim it at the outside edge of the body mount and then weld the ends in place.

*edit* Shrockworks also uses U-bolts around the pipe to strengthen the overall mount. And I love the Shrockworks bumpers...

I can't find the pic, but a builder of the bumper I described advertised using a picture of one of his rigs being held up by a crane that was just hooked to the front bumper and dangled the Zook above the parking lot. he said using the pipe method and then supporting the bumper with it (in addition to the frame mounts) really added to the strength.
:eek:
 

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Discussion Starter #4


This is the best picture I can find of the set-up. The Tow-loop is welded to the pipe along with a bracket where the steering stabilizer attaches. The bumper is an after-market. Before I thought of this idea I had cut off the ends of the pipe and capped off with a freeze plug to keep dirt and rust from collecting. I removed the plugs and measured the pipe inside diamiter. It measured 1 5/16 "
 

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Discussion Starter #6



Thanks Bill. This project has been educational. Lots of mistakes....ugh learning experiences along the way. I can see the light at the end of the tunnel. Almost a year now. Paint is next when it warms up a little.




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for a good bit of strength on the front end have a look at the arb front bar it supports a winch mount spotts and arial mount for pics look at my gallary
 

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Made this bumper myself, ARB is so expensive!
4mm thick plate in centre, 3mm thick tapering sides
bottom is mounted to the four holes in the end of the chassis, top has 12mm steel bars that bolt to tabs i welded about 300mm back from the front of the chassis , just behind the steering box, and other side.
Has 8000lb winch and has never bent or moved under full load, and trust me ive had it loaded to max!
Let me know if you want a close up pic of mounts


Resting almost entirely on corner of bumper, and bumper never moved


"an exclusive frame mounted anti-rotation bracket" - Thanks Shrockworks for the quote :thumbsup:

An anti-rotation bracket?? Lets think about this, a round tube with a round U bolt around it, and you say it doesnt rotate?
Sounds like its a very fancy way of saying, um i made a bumper, and um it broke off, so um I chucked some spare U bolts on it.
 

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oof, that's not a tow loop! it's just for securing the vehicle and help loading it when it's being transported on a trailer. It's not going to take much to bend that guy or break it off.


those are the tow hooks, but I wouldn't use them for actually towing anything. Maybe mild winching. They're secured against the frame members with bolts, but they're junky and not for pulling a load more than a few hundred lbs. They won't bend the frame though. If they fail, they will break off or snap a bolt, but they won't bend up your rig.


edit... wow I never notice how nasty my rig was getting untill I saw the pics of gizmo.... I need to do some hard core clean up work .
 

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Discussion Starter #12
It took a lot of degreaser, hot water. wire brush and wire wheel. Several hours of work with the engine out. Took everything off the firewall and started painting with primer and gloss black paint. It won't stay like that....but I got pictures and it will clean up some. Got my 1 1/4" schedule 40 pipe today and drove it through the pipe. It took out the slight bow in the pipe. will get my bumper out of the welding shop next week. I wish I had a welder in my shop. I take my welding jobs up to the high school. I get free welding and some student gets a good shop grade. Paint job is next. I am going to do a build thread when I get done.



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Wow. Great job there. Its will look awesome its first day out. Not sure about when it gets home. lol But very nice and clean.
 
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