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G3GM 1973 to 1977 A-bodys. Chevelles, Monte Carlos, El Caminos, Laguna, 442, Cutlass, Malibu, GTO, LeMans, Century, Regal, Grand Am, Grand Prix, Sprint, Gran Sport, Can Am, Hurst-olds, and other 73-77 A-bodies


73 front bumper sink in - how far in?

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Post by wbaker01 Thu Jun 01, 2017 11:48 pm

I'm having tropdeprojet build me some front bumper brackets to sink in the front bumper on my 73 and am wondering, for those of you who have sunk a 73 front bumper, how far back did you go in?


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Post by tropdeprojet Tue Jun 27, 2017 12:25 pm

Nobody can have this information?

Someone who has a 73 Malibu or El Camino and have some time to take measurements, will be appreciate!
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Post by Oldschool454 Tue Jun 27, 2017 12:38 pm

My brother has a 73 and just did this. He just drilled holes in his front absorbers to let the fluid out and was able to push the bumper back 6 inches. I didn't think it would look good at first but after seeing it, it actually looks really good.
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Post by Roadcaptain S3 Tue Jun 27, 2017 8:21 pm

I can check my 73.
Gimme some idea of how you want me to measure.
Do you just need the length of the bumper shocks?
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Post by tropdeprojet Tue Jun 27, 2017 8:53 pm

Roadcaptain S3 wrote:I can check my 73.
Gimme some idea of how you want me to measure.
Do you just need the length of the bumper shocks?

Only look the maximum we can move back the front bumper to be close to the grill and fenders but don't hit them. Thanks
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Post by tropdeprojet Tue Jun 27, 2017 8:55 pm

Oldschool454 wrote:My brother has a 73 and just did this. He just drilled holes in his front absorbers to let the fluid out and was able to push the bumper back 6 inches. I didn't think it would look good at first but after seeing it, it actually looks really good.

Really 6 inch! This is big.
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Post by Limey SE Wed Jun 28, 2017 2:11 pm

I dont think there is Enough room in the Shock to move it back That Far

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Post by Roadcaptain S3 Wed Jun 28, 2017 5:57 pm

I'm gonna get a pic with a tape measure running the length of the shock.
Anything else you guys can think of that would be better?
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Post by Roadcaptain S3 Wed Jun 28, 2017 6:34 pm



73 front bumper sink in - how far in? 20170611




73 front bumper sink in - how far in? 20170610


Bumper shock is 7 inches long from front to back mounting points.
Bumper filler is 4 1/2
7 inches from front edge of bumper to bottom of headlight.
This is on the 73 SS.
In the pic, the "7" is right on top of the spot where the frame meets the shock.


Last edited by Roadcaptain S3 on Wed Jun 28, 2017 8:08 pm; edited 3 times in total
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Post by Limey SE Wed Jun 28, 2017 7:47 pm

By that Measurement I would say can only go 3 - 3 1/4" sink

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Post by Roadcaptain S3 Wed Jun 28, 2017 8:04 pm

The "neck" of the shock is short. But it's hard to tell by just looking at it how far it could compress.
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Post by tropdeprojet Wed Jun 28, 2017 9:43 pm

Thanks Roadcaptain S3!

In the first picture on the bumper filler, can you take the same measurement in the middle of the grill.

After can you look arround the bumper and imagine sink it 3 inch if it's look safe for the fenders?

It's only because i don't have a 73 and wbaker01, his car have no front end at this time... I will totally delete the original mount.

Thanks again for your help!

Sebastien
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Post by impalamonte Thu Jun 29, 2017 8:53 am

Hey guys , I know this is on a Monte.  I used a chop saw and removed the extended portion of the inner tube in the "shock absorber".
That was 2 1/4" inches of material. Then welded the two remaining " bodies" together. The two pieces when married created the perfect "V" channel to lay weld in.




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Post by SSTOOLMAN Thu Jun 29, 2017 10:19 am

To the guys that have done this on a 73... Did you pull out the bumper fillers? Did you leave them in and was there some how clearance for them to tuck into the bumper on the sides and the did the center piece tuck into the open area behind the grill? or did you do some trimming?
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Post by Keith Seymore Thu Jun 29, 2017 11:21 am

Mine is a '74 but I pulled in both the front and rear 1".

K

73 front bumper sink in - how far in? Sucs_1046_12_o%2bkeith_seymores_1974_chevy_chevelle%2bheadlight
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Post by Roadcaptain S3 Thu Jun 29, 2017 5:00 pm

tropdeprojet wrote:Thanks Roadcaptain S3!

In the first picture on the bumper filler, can you take the same measurement in the middle of the grill.

After can you look arround the bumper and imagine sink it 3 inch if it's look safe for the fenders?

It's only because i don't have a 73 and wbaker01, his car have no front end at this time... I will totally delete the original mount.

Thanks again for your help!

Sebastien

Yes. Will do it this evening if I get home early enough.
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Post by Roadcaptain S3 Thu Jun 29, 2017 5:03 pm

tropdeprojet wrote:Thanks Roadcaptain S3!

In the first picture on the bumper filler, can you take the same measurement in the middle of the grill.

After can you look arround the bumper and imagine sink it 3 inch if it's look safe for the fenders?

It's only because i don't have a 73 and wbaker01, his car have no front end at this time... I will totally delete the original mount.

Thanks again for your help!

Sebastien

I still have the mounts you made for me, just haven't installed them yet. Embarassed
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Post by tropdeprojet Fri Aug 18, 2017 6:40 am

I don't really know at this time how much long i will make it but i have now the parts to do it.

I made some for a laguna nose swap!

73 front bumper sink in - how far in? 20170812
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73 front bumper sink in - how far in? 20170814
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