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> LIGHT big black bumpers, new pics added 11/26
VaccaRabite
post Nov 2 2008, 11:26 AM
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I am gutting my BBBs. Man there is a lot of metal in there.

They probably won't weigh as little as the simple early bumpers when I am done, but they will weight a LOT less then the BBBs of old.

Pics to come...

Zach
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VaccaRabite
post Nov 2 2008, 11:54 AM
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Pics of stage 1.
The subject:
(IMG:http://farm4.static.flickr.com/3172/2995966972_cee57284f2.jpg)

Whats going in there (Hella Supertones!):
(IMG:http://farm4.static.flickr.com/3287/2995974666_25d8f2fd1e.jpg)

I am going to drill a lower hole in the horn stem to center the horn in the opening.
A custom grill will cover each fog light opening. I have yet to make that.

I need to convince Scotty to bring his plasma cutter to cut out the center channel in the bumper. No way I have to get in there right now other then really chewing up the outside skin.

When done, most of the bumper will only be 1 layer of steel , the center hollow and the back gone. It won't last in a crash, I guess. But neither would fiberglass.. Or early stockers.

Zach
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rick 918-S
post Nov 2 2008, 12:45 PM
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I really like the arrow look of the late bumpers. Someone should pull a mold off a nice set and make light glas ones. (IMG:style_emoticons/default/idea.gif)
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VaccaRabite
post Nov 2 2008, 12:47 PM
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If someone did that I would buy them.

I like the look of the later bumpers more then the early ones, but I am not a fan of how much they weigh.

Zach
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MrZir
post Nov 3 2008, 02:33 PM
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QUOTE(Vacca Rabite @ Nov 2 2008, 12:47 PM) *

If someone did that I would buy them.

I like the look of the later bumpers more then the early ones, but I am not a fan of how much they weigh.

Zach


Same here. I like the look of the later bumpers, but weight is the enemy. (on the car and on me. (IMG:style_emoticons/default/mad.gif) )
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jim912928
post Nov 3 2008, 05:30 PM
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leave the weight and just get a bigger engine! lol
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TheCabinetmaker
post Nov 3 2008, 06:32 PM
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I drive a 75 and I hate the big UGLY bumpers. To each his own!
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VaccaRabite
post Nov 3 2008, 07:26 PM
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QUOTE(jim912928 @ Nov 3 2008, 06:30 PM) *

leave the weight and just get a bigger engine! lol


I did get a bigger engine!
But I also want to drop the weight.

Rich made a good suggestion in dropping the shocks and just using some channel to mount the bumper to the body, like the early mounts. That should drop a few pounds right there.
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hcdmueller
post Nov 3 2008, 07:35 PM
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?????????????
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I have a 75 euro spec rear bumper sitting in my garage at home and it bolts to the car in the same manner as the early bumpers. I am not sure why they are different. They are still heavy as hell. Kind of defeats the purpose of the late bumper.
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Krieger
post Nov 3 2008, 07:32 PM
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Hack the crap out of them. I got 11.5/ 7 off the rear/front. I had a hole saw and used my drill press. The heat shield is worth 3


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Krieger
post Nov 3 2008, 07:33 PM
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The front


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r_towle
post Nov 3 2008, 08:25 PM
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Zach
Loose the front and rear face in between the two rectangular fog light holes....
All that can be left is the top and bottom flange...with alot of holes...

I proposed to gut the shocks (the insides of the shocks...) but tack weld the tube together at the right lenght and drill the holes in the mounting brackets...

Again...all you need is the top and bottom flange...with holes
and the fog light holes (you dont even need those..)

Rich
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Dave_Darling
post Nov 4 2008, 02:14 AM
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QUOTE(rick 918-S @ Nov 2 2008, 10:45 AM) *

I really like the arrow look of the late bumpers. Someone should pull a mold off a nice set and make light glas ones. (IMG:style_emoticons/default/idea.gif)


Rich Bontempi. Not sure if the front has an air-dam integrated into it, but I know that there is at least some approximation of the front RBBB in fiberglass. Also not sure on the rear bumper; but it can't hurt to ask him....

--DD
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VaccaRabite
post Nov 9 2008, 03:30 PM
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More progress on my BBBs

Tools on the job:
(IMG:http://farm4.static.flickr.com/3288/3016301243_15f4a427f5.jpg)

A growing pile of scrap:
(IMG:http://farm4.static.flickr.com/3073/3017131496_8951a8e84b.jpg)

Welding the bumper lip back on after cutting it off to gut the insides:
(IMG:http://farm4.static.flickr.com/3188/3016296343_7b2b333fdc.jpg)

And introducing...
(IMG:http://farm4.static.flickr.com/3254/3017122002_1f82b18608.jpg)

(IMG:http://farm4.static.flickr.com/3056/3016284833_4b91a1c555.jpg)

(IMG:http://farm4.static.flickr.com/3032/3016264979_5650b446e0.jpg)

Zach
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r_towle
post Nov 9 2008, 07:15 PM
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weight at final????

Rich
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VaccaRabite
post Nov 9 2008, 07:34 PM
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QUOTE(r_towle @ Nov 9 2008, 08:15 PM) *

weight at final????

Rich


I've not weighted them yet. Kinda of afraid to. It was a lot of work to find out I only shaved 5 lbs.

Zach
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VaccaRabite
post Nov 9 2008, 09:26 PM
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I manned up and got out my scale.

the front bumper steel insert now weighs 15 pounds.

the rear bumper steel insert now weighs 17 pounds.

This is not counting the rubber and shocks. Just the steel insert.

QUOTE

(from a post by Borderline on stock early bumper weights)
FRNT BUMPER STK 17.5
REAR BUMPER STK 17.5


So, my INSERTS weigh less then the early stock bumpers.

I thought Joe Sharp had done a comparison of stock early, stock late, and FG bumpers. Now I can't find it. I want to know where my inserts stack up...

Zach
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solex
post Nov 10 2008, 12:18 PM
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Zach,
Just went through this thread (with great interest), thanks for doing it.

What is the weight of the covers themselves also how do you plan on re-attaching them to the frames?

How much weight did you end up removing?

Dan
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plymouth37
post Nov 10 2008, 01:17 PM
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QUOTE(Vacca Rabite @ Nov 9 2008, 08:26 PM) *

I thought Joe Sharp had done a comparison of stock early, stock late, and FG bumpers. Now I can't find it. I want to know where my inserts stack up...

Zach


Here you go: Bumper Weights, I had it bookmarked from when I swapped in 'glass bumpers. Nice work, nothing sexier than swiss cheesed car parts!
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VaccaRabite
post Nov 10 2008, 07:17 PM
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I'm posting this in my thread for direct comparison.

QUOTE(Joe Sharp @ May 26 2006, 06:37 PM) *

Rears
It says 52 (BBB), 15 (Early Stock), 4 (FG).

Front
48 (BBB), 17 (Early Stock), 4 (FG)
:PERMAGRIN: Joe



I need to get weight on the rubber cover and the bumper shocks. I KNOW I can remove weight from the shocks (fabbing up a new mount seems like an easy task, and would have to weigh less). The bumper cover is not heavy.
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