1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Show cars w. recessed bumpers

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Old 06-26-07 | 02:04 PM
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Show cars w. recessed bumpers

I've seen a few members posting custom jobs with the front bumpers more or less flush with the front header panel. This requires removing the bumper mount hydraulics.

I've been thinking of making some shortened bumper mounts to replace the hydraulics. This would move the stock metal bumper (inside the skin) in by almost 4", allowing a flush or almost flush front bumper skin while still providing front end protection.

Of course, deleting the hydraulics means you'd lose your 2.5mph (US) or 5mph (Canada) low-speed impact protection that normally allows the bumper to compress, then pop back out to full extension. This would make a shortened mount kit appropriate only for show cars that still want support and protection up front but wouldn't see a lot of road use.

Since I'm making the templates anyhow, would other users be interested in similar mounts?
Old 06-26-07 | 02:25 PM
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yes, can you make them from aluminum?
Old 06-26-07 | 02:48 PM
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When I did mine I blew the oil out of the shocks cut the tubes to the lenght I wanted and welded them up. It's way easier than fabbing something. If you remove the sheet metal light brackets off the ends and remount the clearance/blinkers on the front you can get the aluminum bumper real tight to the front. I can get a closer pic if you like
Attached Thumbnails Show cars w. recessed bumpers-bmw_rx7_007.jpg  
Old 06-26-07 | 03:27 PM
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So where do you rest the groceries while opening the rear lid and where do you put your foot when you talk about your car????



j/k
Old 06-26-07 | 04:05 PM
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Well I usually spill the groceries and scratch the paint looking for a footrest, but a beer usually helps
Old 06-26-07 | 04:33 PM
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That is cool, i have wondered about this for the longest time, i would like to see more pics of the front and rear of the car please
Old 06-26-07 | 04:49 PM
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Yes, that looks so good, better pics please budrud...
Old 06-26-07 | 04:56 PM
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From: https://www2.mazda.com/en/100th/
Originally Posted by Manntis
I've seen a few members posting custom jobs with the front bumpers more or less flush with the front header panel. This requires removing the bumper mount hydraulics.

I've been thinking of making some shortened bumper mounts to replace the hydraulics. This would move the stock metal bumper (inside the skin) in by almost 4", allowing a flush or almost flush front bumper skin while still providing front end protection.

Of course, deleting the hydraulics means you'd lose your 2.5mph (US) or 5mph (Canada) low-speed impact protection that normally allows the bumper to compress, then pop back out to full extension. This would make a shortened mount kit appropriate only for show cars that still want support and protection up front but wouldn't see a lot of road use.

Since I'm making the templates anyhow, would other users be interested in similar mounts?
i remember seeing a japanese 78-79 car, and it had normal steel brackets instead of the shocks. its like the 86-93 pickups. the brackets were a bunch lighter than the shock assemblies too.
Old 06-26-07 | 05:28 PM
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well, the front shocks are only about 3.3 lbs each.
Old 06-26-07 | 05:45 PM
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Here's some closer pics. Manntis is right about losing the 2.5 mph shock but I figured if I retained the stock mounts the higher speed crash resistance will be the same as before- or not. Either way the body kit will need some serious repair. I hope to not find out
Attached Thumbnails Show cars w. recessed bumpers-bumper1.jpg   Show cars w. recessed bumpers-bumper2.jpg   Show cars w. recessed bumpers-bumper3.jpg  
Old 06-26-07 | 05:53 PM
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Pulling the bumpers in, along with the kit really changes the look of your 7. Kinda has that old Celica look, nicely done.
Old 06-26-07 | 06:08 PM
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Thanks Trochoid, The shock shortening was a fairly common practice in the bimmer community I was in before I joined the dark side. I have no idea on longeivity, I designed the parts to be as flexible as possible but these bodies flex quit a bit I think
Old 06-26-07 | 06:11 PM
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Originally Posted by trochoid
Pulling the bumpers in, along with the kit really changes the look of your 7. Kinda has that old Celica look, nicely done.
I agree. Designers don't like setting the bumpers out away from the body (called offset), but the engineers make them do it so the bumper won't stroke into the bodywork. I think the original designers would be happy with your changes.
Old 06-26-07 | 06:26 PM
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I guess I'll just have to live in fear of the dreaded 2.5 mph crash. I parked my front spoiler about a 1/4" from a parking curb the other day so I feel like I'm living on borrowed time.
Old 06-26-07 | 07:06 PM
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Hey! I just did this to my bumpers. It's easy. The shocks do only weigh like 3.3 lbs each as mentioned by Manntis , but small replacement brackets coupled with lightening holes throughuot the bumper got me 14 lbs off the SA's front like I said on my thread. BudRud's look pretty neat, but i think I like them to stick out alittle. An inch or so looks really good. I was thinking, you could always use some rubber spacers to get a little more insurance, maybe like 1/2 inch ones. Just a thought. My reason for doing the bumper mods it more or less for the weight than the appearance. I couldn't resist the 36lbs I dropped of of the front and rear. Even though my car's no race car It had to be done.
Old 06-26-07 | 07:09 PM
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Actually Budrud, yoiur bumpers look pretty dang cool.
Old 06-26-07 | 07:20 PM
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looks nice , the side profile looks like a mini FC
Old 06-26-07 | 07:37 PM
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Thanks, I was amazed what 3" off the front and 2" off the back did to the appearance.
Old 06-26-07 | 09:06 PM
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Looks like this is worth pursuing I have a meeting with the fab shop tomorrow.

Aluminium is a good idea, Aussiemg. I'll have to see what the cost difference is vs. the weight advantage.
Old 06-26-07 | 09:53 PM
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i always thought this car looked good
Attached Thumbnails Show cars w. recessed bumpers-1st-gen-integra-front.jpg   Show cars w. recessed bumpers-1st-gen-shaved-bumper-integra-front.jpg  
Old 06-27-07 | 02:43 AM
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A slight lip @ the back is not a bad idea - helps protect the tail lights.
Old 06-27-07 | 08:39 AM
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That back end looks pretty nice, AWS. Can we see some closer ups and/or a different angle. Kinda reminds me of a 928....GASP!
Old 06-27-07 | 01:42 PM
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glew-- thats all the pics i have. it was for sale on autotrader years ago and i saved the pics. it has an integra front bumper is al i remember. if i could figure out what bumper that is id be installing it on my car now, but oh well.
Old 06-27-07 | 02:37 PM
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Cool

Any pics of the work in progress? Very interested in this mod, really changes the look for the better in my opinion.
Attached Thumbnails Show cars w. recessed bumpers-dsc06304.jpg  
Old 06-27-07 | 09:01 PM
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of my work in progress, or the completed recessed bumpers featured by others in this thread?

I'm crunching numbers with my plastics guys to see if it's worth making new mounts; if forming the cap is too pricey, no point in maning the hardware. But I'm confident we'll reach an accord soon. Then it's on to the shortened mounts.


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