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Rock Lizard or ARB Bumper Weight
http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=3&t=19403		 Page 1 of 1
Author:  jtaylor42 [ Fri Apr 06, 2007 8:43 pm ]
Post subject:  Rock Lizard or ARB Bumper Weight
Hey, for those of you who have a Rock Lizard or ARB bumper I am wondering what you did to your lifts. I have Rusty's Coil lift but I am worried about the extra weight up front. Did you have to get heavy duty springs or something? Thanks
Author:  tommudd [ Fri Apr 06, 2007 9:03 pm ]
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I have the OME heavy duty coils and no problem what so ever, great ride, no sag in over 20,000 miles Thats my choice and 2 cents!
Author:  elephantrider [ Fri Apr 06, 2007 9:05 pm ]
Post subject: 
i have rustys coil lift, and it has mos def sagged after the arb install.

either gonna have to get new springs or a front only franky.

its sagged about 1/4" and looks like its holding steady.

tommudd, those heavy duty springs will fit on the rustys front struts, since the struts are ome as well, you think?

what'dya pay for those anyway...
Author:  tommudd [ Fri Apr 06, 2007 9:14 pm ]
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AllJs 100 bucks I think when I got them. Rustys did have them also I think, not sure on price for them though. But they should work fine basically making your own Frankenlift in a way
Author:  spoonplugger1 [ Fri Apr 06, 2007 10:22 pm ]
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Rock Liz bumper is lighter by about 20 lbs if I remember right and the winch is only on the front when you need it. Winches are an additional 100 lbs.
Author:  Rock Lizard [ Sat Apr 07, 2007 12:42 am ]
Post subject: 
The original prototype bumper was made entirely out of 1/8" plate with the mounts being 3/16", and I never got to actually weight the bumper correctly, so I guessed it to be around 65lbs. Ted and I took the bumper off the other day and I put it on the scale. Weighed in at 52 lbs. I was planning with the production model bumpers to go 3/16" plate for strength, but it would also take the weight up the bumper up to around 80lbs. If anyone personally knows Ted and I and how we trail test these bumpers, they get beat up real good. This last year Ted did some things to that prototype bumper that would make you cringe, and even though it was made of 1/8", it held up extremely well. After taking it off the other day and doing a full inspection of the trail damage, I have decided that with some slight changes and gussetting, the 1/8" plate will be quite sufficient for this bumper. The gussetting will reinforce the bottom of the bumper (center section under the hitch) that was the most vulnerable and received the only damage from all of Ted's abuse. By doing this, I can keep the bumper strong enough, and keep the weight under 65lbs. This will keep the jeep from sagging, and will lower shipping costs. The ARB bumper is mostly 1/8" plate with some doubling of material at the winch mount. I haven't done a real thorough inspection of the ARB, but the body of the bumper itself is 1/8" plate. Using 1/8" for the front bumper makes it light weight, strong enough for the trail abuse most people will inflict, but does not make the bumper indestructable, so if you get in an accident, you don't end up with a totalled jeep and a perfectly undamaged bumper. Oh, and the lighter material is also cheaper. I got a new cost sheet on all of my products from my manufacturer, and shop rate and material costs went up 15%, so using 3/16" material would put the cost of the bumper comparable to the ARB, and that would be too much for a non winch bumper. The only part of the bumper not 1/8" plate will be the mounts, which will be 1/4" plate, and of course the shackle tabs are 3/4" thick.

Anyways, a lot more info that asked, but that is what has been going on with my front bumper recently. In short, my front bumper will weigh in under 65 lbs with the current plan.
Author:  Troysterr [ Sat Apr 07, 2007 12:49 am ]
Post subject: 
Rock Lizard wrote:
Anyways, a lot more info that asked, but that is what has been going on with my front bumper recently. In short, my front bumper will weigh in under 65 lbs with the current plan.

That would certainly be my preference. I don't need a battering ram, just a good-looking bumper that vastly improves my approach angle, and that has shackles that are strong enough to take a strap if needed.
Author:  Rock Lizard [ Sat Apr 07, 2007 12:53 am ]
Post subject: 
Troysterr wrote:
Rock Lizard wrote:
Anyways, a lot more info that asked, but that is what has been going on with my front bumper recently. In short, my front bumper will weigh in under 65 lbs with the current plan.

That would certainly be my preference. I don't need a battering ram, just a good-looking bumper that vastly improves my approach angle, and that has shackles that are strong enough to take a strap if needed.


The 1/4" plate mount is a one piece design, that bolts to the unibody on both sides, and the receiver and shackle tabs are welded directly to the mount, so it's almost like a front hitch with a bumper shell built onto it.
Author:  gatorator [ Sat Apr 07, 2007 9:45 pm ]
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When? :D
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