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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


? On core support

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? On core support Empty ? On core support

Post by Limey SE Mon Apr 22, 2013 8:34 pm

will the 77 Support interchange with the single headlight Chevelles and Cutlass I was almost positive it would but now I am beginning to wonder with everything as of late, 73 is its own animal


Last edited by Limey SE on Tue Apr 23, 2013 2:08 pm; edited 1 time in total
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Post by dragons_lair59 Mon Apr 22, 2013 10:21 pm

Don't believe so because of how headlights are mounted
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Post by Joe73 Tue Apr 23, 2013 5:44 am

Interesting question. My first thought would be yes. Reason being the fenders fit from all years and the rad support bolts to the fenders and two bolts onto the frame. Then the header panel bolts to the fenders and only has two supports bolting to the support right where the headlight extension meets the center section of the header panel.

So basically, the three part header panel only touches the support with a bracket on each side. The headlights mount in the header panel, so I dont think that would matter. I say it will fit.
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Post by 77mali Tue Apr 23, 2013 6:59 am

I bought rounds from a 76 to replace quad lights- fitment was good.
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Post by alleyball4 Tue Apr 23, 2013 1:53 pm

once again, the 73 core support is different.
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Post by Limey SE Tue Apr 23, 2013 2:07 pm

yep that I know and is stated LOL only 74 -77 is what I am questioning afro lol!
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Post by dynchel Tue Apr 23, 2013 2:36 pm

alleyball4 wrote:once again, the 73 core support is different.
Are you sure? When I replaced mine it came from Chicago muscle cars and had "73chevelle" written on it. It bolted in my '74 with no problems or modifications.
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Post by Limey SE Tue Apr 23, 2013 2:43 pm

just a note about Chicago Muscle they write on the part WHAT THEY KNOW will bring money not a very nice place on the Budget for sure and there customer service is worse
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Post by dynchel Tue Apr 23, 2013 2:53 pm

When I bought it years ago I paid $250.00. At the time they said they had a Nos one for $500.00. This was in the late '90's.
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Post by alleyball4 Tue Apr 23, 2013 4:08 pm

If I remember right, the 74-77 core support has an oval cut-out on the upper left hand side, and the 73 doesn't have the cut-out but a threaded hole.
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Post by bracketchev1221 Mon Apr 29, 2013 11:18 am

Regarding the core supports, does anyone know where to find the mount bushings for these? I have to replace the core support in mine and the bushings are shot. And I also agree about the 74-77 having the oval hole cut out. I have looked at several from 74-77 and they all look the same. The junkyard I was at didn't have any 73's so I can't answer that.
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Post by 1973montec Mon Apr 29, 2013 12:26 pm

http://www.ebay.com/itm/73-76-CHEVELLE-SS-ELCAMINO-LAGUNA-S3-SPRINT-NOS-GM-RADIATOR-SUPPORT-/360636528343?pt=Vintage_Car_Truck_Parts_Accessories&fits=Model%3AChevelle&hash=item53f79cb6d7&vxp=mtr#ht_158wt_806
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Post by 77mali Mon Apr 29, 2013 1:37 pm

bracketchev1221 wrote:Regarding the core supports, does anyone know where to find the mount bushings for these? I have to replace the core support in mine and the bushings are shot. And I also agree about the 74-77 having the oval hole cut out. I have looked at several from 74-77 and they all look the same. The junkyard I was at didn't have any 73's so I can't answer that.

I got mine from the parts place. They sell them with or without the hardware.

www.thepartsplaceinc.com
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Post by Limey SE Mon Apr 29, 2013 1:48 pm

bracketchev1221 wrote:Regarding the core supports, does anyone know where to find the mount bushings for these? .

I used the 71-72 Core support bushings from a Chevelle and fit OKkee Dokkeee No probs what so ever
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Post by dynchel Mon Apr 29, 2013 1:54 pm

I managed to get a part number off of mine and bought them from the dealership parts counter. Very Happy however, that was probably 15 years ago. I also scored the second to last (according to the dealership) blower motor resistor that gm had left.
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Post by w451973 Tue Apr 30, 2013 12:02 pm

Speaking solely for Cutlass's. The 76-77 is 76-77 only. 73-75 are the same with only a minor change with dual hood popper springs in 73. I do not believe that any of these would interchange with any other a-body altho I've heard the 76-77 would interchange with a Regal. That I cannot guarentee.
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