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Old 05-16-2017, 12:41 PM
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Stubby Bumper vs Full Width: Safety

I did a search and saw a few threads on this topic over the years, but thought I would post in case anyone has any new thoughts or data to share.

I am concerned about safety. I like the better clearance and look of the stubbies, but I also enjoy living.

Thoughts, opinions?

*Edited to remove extraneous info to keep the thread on topic...

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Old 05-16-2017, 12:55 PM   #2
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Its not your safety, its the person you run into that they have in mind as I understand it.

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Old 05-16-2017, 12:58 PM   #3
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If the law requires full bumper, run full bumper.
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Old 05-16-2017, 01:18 PM   #4
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The end caps on a stock bumper add no safety.

I've got a full width front bumper, but it's a high clearance.



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Old 05-16-2017, 03:05 PM   #5
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Having cut my factory bumper to install the VDP high-clearance caps (not the stubbies, but it's the same process), I can also say that the bumper ends add ZERO crash protection. The outer several inches are nothing but plastic, and the actual crash protection portion of the metal bumper ends at the two protrusions on either side where your tow hooks are. There are metal ends that extend outward from those protrusions a couple inches, but they definitely aren't providing any crash protection.
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Old 05-16-2017, 03:10 PM   #6
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Having cut my factory bumper to install the VDP high-clearance caps (not the stubbies, but it's the same process), I can also say that the bumper ends add ZERO crash protection. The outer several inches are nothing but plastic, and the actual crash protection portion of the metal bumper ends at the two protrusions on either side where your tow hooks are. There are metal ends that extend outward from those protrusions a couple inches, but they definitely aren't providing any crash protection.
Installed the same VDP kit and can agree. OEM bumper offers no protection at the ends.
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Old 05-16-2017, 03:16 PM
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Having cut my factory bumper to install the VDP high-clearance caps (not the stubbies, but it's the same process), I can also say that the bumper ends add ZERO crash protection. The outer several inches are nothing but plastic, and the actual crash protection portion of the metal bumper ends at the two protrusions on either side where your tow hooks are. There are metal ends that extend outward from those protrusions a couple inches, but they definitely aren't providing any crash protection.
Interesting, I never really looked at the inside of my stock bumper- I replaced it almost immediately. It is sitting in my garage so I will go check it out. If the steel protection ends near the hooks, then in essence it seems the stock front bumper is no more than a "disguised" stubby.

I have modular steel bumpers with "full width" steel end caps installed in front. I am debating removing those and installing the steel stubby ends.

If the stock front fender is not providing any protection on front corner hits, then it makes me feel more comfortable about going with the stubby end caps

I guess the question is, I have steel full end caps now and I presume those provide some benefit for collisions as compared to having nothing there, but perhaps it really is not that much of a real world advantage for protecting people that are in my Jeep.
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Old 05-17-2017, 01:01 AM   #8
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Even a plastic end cap will reduce the risk of killing a pedestrian because it will push them out the way. Otherwise your turning, exposed wheel will pull them underneath your two ton Jeep. I'm no expert but if you were running into me I know which one I'd prefer.
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Old 05-17-2017, 01:38 AM   #9
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Even a plastic end cap will reduce the risk of killing a pedestrian because it will push them out the way. Otherwise your turning, exposed wheel will pull them underneath your two ton Jeep. I'm no expert but if you were running into me I know which one I'd prefer.
All most Jeep bumpers are going to do to a pedestrian is push them down and you are still going to run over them. They are to tall. The new bumper standards on cars are lower and designed to actually pick the person up like the cattle catchers of old.
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Old 05-17-2017, 03:40 AM   #10
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All most Jeep bumpers are going to do to a pedestrian is push them down and you are still going to run over them. They are to tall. The new bumper standards on cars are lower and designed to actually pick the person up like the cattle catchers of old.
The Export spec bumpers we get over here are pretty much like that. No gaps, a lot of plastic to absorb the impact and pretty low.
It's a contradiction really. We all love the Jeep to look like a Jeep but I also get that everyone driving every vehicle has a responsibility for the people around us.
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Old 05-17-2017, 07:39 AM   #11
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Interesting, I never really looked at the inside of my stock bumper- I replaced it almost immediately. It is sitting in my garage so I will go check it out. If the steel protection ends near the hooks, then in essence it seems the stock front bumper is no more than a "disguised" stubby.

I have modular steel bumpers with "full width" steel end caps installed in front. I am debating removing those and installing the steel stubby ends.

If the stock front fender is not providing any protection on front corner hits, then it makes me feel more comfortable about going with the stubby end caps

I guess the question is, I have steel full end caps now and I presume those provide some benefit for collisions as compared to having nothing there, but perhaps it really is not that much of a real world advantage for protecting people that are in my Jeep.
You could call the factory metal bumper itself a stubby for sure. Since there's no structure to bolt the outside of the bumper to due to the design of the Wrangler, it really can't provide any crash protection. A heavy steel bumper probably provides something, but since the bumper bolts to the body/frame only at the tow hook area, anything outside of that area is still marginal at best I would think.
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Old 05-17-2017, 10:51 AM   #12
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Originally Posted by Ugoderosa View Post
I did a search and saw a few threads on this topic over the years, but thought I would post in case anyone has any new thoughts or data to share.

I am concerned about safety. I like the better clearance and look of the stubbies, but I also enjoy living.

Thoughts, opinions?

*Edited to remove extraneous info to keep the thread on topic...
What a coincidence..so do I most days.

If I had a full width steel dumper on my '14 JK when I was in my accident, I would have T-boned the car at 55mph instead of driving over his engine compartment. Avoiding that sudden stop, crushed passenger compartment, broken legs and/or death made me glad I had a stubby bumper that day. YMMV.
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Old 05-17-2017, 11:03 AM   #13
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The Export spec bumpers we get over here are pretty much like that. No gaps, a lot of plastic to absorb the impact and pretty low.
It's a contradiction really. We all love the Jeep to look like a Jeep but I also get that everyone driving every vehicle has a responsibility for the people around us.
Howza bout you just pay attention to your driving and not run over anyone....

To darn much world of nerf that everyone wants to live in where everyone has to be protected from everything but there is no personal responsibility involved. It is always "must have gizmo or gadget" to protect people

oh sorry, seen you live in the UK, talk about a nannystate world of nerf fantasyland. Surprised you guys get to even have forks over there for fear someone will poke an eye out.
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Old 05-17-2017, 02:19 PM   #14
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Howza bout you just pay attention to your driving and not run over anyone....

To darn much world of nerf that everyone wants to live in where everyone has to be protected from everything but there is no personal responsibility involved. It is always "must have gizmo or gadget" to protect people

oh sorry, seen you live in the UK, talk about a nannystate world of nerf fantasyland. Surprised you guys get to even have forks over there for fear someone will poke an eye out.
Yeh, I guess people just shouldn't get in the way of your Jeep, right?

Idiot.
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Old 05-17-2017, 02:34 PM   #15
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I think the stock full width plastic bumper is more a people plow for those times you don't really want to run someone over...

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Old 05-17-2017, 03:09 PM   #16
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What law requires a full width bumper, do you believe in Unicorns? The factory bumpers are only full width plastic. The crumple zones and such are not influenced by any one style of bumper over the other. They start at the frame rails and go back. Pretty much any bumper is gonna be much stronger than a factory bumper. i think a 6 pack of beer has more metal in it than a factory jk . And YES PEOPLE should use common sense and not get under any bumpers in the first place.
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Old 05-17-2017, 03:31 PM
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What law requires a full width bumper, do you believe in Unicorns?
Full width bumpers (covering the full track width) are required by law here in Utah.

However, the enforcement mechanism was just modified this year. Prior law required a safety inspection in order to register or renew your registration and one of the items checked was bumper width. Safety inspections are no longer required as of this year.

Law enforcement can still pull you over and give you a "fix it" ticket, but enforcement is rare. If you get a fix it ticket you just correct the issue and the matter is resolved. I have a modular bumper so I would just re-install my longer end caps. I'm not worried about a fix-it ticket.
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Old 05-17-2017, 03:57 PM   #18
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Full width bumpers (covering the full track width) are required by law here in Utah.

However, the enforcement mechanism was just modified this year. Prior law required a safety inspection in order to register or renew your registration and one of the items checked was bumper width. Safety inspections are no longer required as of this year.

Law enforcement can still pull you over and give you a "fix it" ticket, but enforcement is rare. If you get a fix it ticket you just correct the issue and the matter is resolved. I have a modular bumper so I would just re-install my longer end caps. I'm not worried about a fix-it ticket.
Fix it tickets used to be relatively painless here in California. Now you'll end up paying hundreds of dollars in addition to proving the infraction was corrected.
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Old 05-17-2017, 04:16 PM   #19
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Utah you might wanna check UC 41-6a-162. Says bumpers have to be 4.5 inches tall . no mention of full width. Thats the only law i see relating to bumper width in UT.

They do require full width fenders. UC 41-6a- 161 and UC41-6a-163
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Old 05-17-2017, 05:30 PM
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Utah you might wanna check UC 41-6a-162. Says bumpers have to be 4.5 inches tall . no mention of full width. Thats the only law i see relating to bumper width in UT.

They do require full width fenders. UC 41-6a- 161 and UC41-6a-163
41-6a-1632. Bumpers.
(1) A motor vehicle shall be equipped with a bumper on both front and rear of the motor vehicle, except a motor vehicle that was not originally designed or manufactured with a bumper or bumpers.
(2)
(a) On a motor vehicle required to have bumpers under Subsection (1), a bumper shall be:
(i) at least 4.5 inches in vertical height;
(ii) centered on the vehicle's center line; and
(iii) extend no less than the width of the respective wheel track distance.
(b) A bumper shall be securely mounted, horizontal load bearing, and attached to the motor vehicle's frame to effectively transfer impact when engaged.
(3) If a motor vehicle is originally or later equipped with a bumper, the bumper shall:
(a) be maintained in operational condition; and
(b) comply with this section.
(4) A violation of this section is an infraction.
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Old 05-17-2017, 07:16 PM   #21
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Utah probably has more Jeeps with stubby bumpers than any other state around.

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