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73/74 grill swap
This topic is now an FAQ- "73/74 grill swap"
I just finished up this swap for my '78. Ive seen posts on the board where folks have told others how to do it, but Ive never seen a write up with photos before. That said, I figured Id go ahead and put one together. This should fit 75-79 trucks, and later models with older sheetmetal lol. Hope this helps someone along the way since this seems to be a popular swap right now. To get started you need the 73/74 center support and two side supports. I didnt take a pic of what the grill looked like originaly. If your truck started as anything like mine, you know what a chevy grill looks like when its missing about 20 teeth lol. Just remove the 8 screws holding that old busted up grill on and toss it aside. That will leave you looking at your center grill support. Heres a picture of the 75 and up grill support in my parts truck http://i196.photobucket.com/albums/a...oad9-15009.jpg Now this is the center support youll need from the 73/74 donor truck. http://i196.photobucket.com/albums/a...oad9-15008.jpg Swapping the center supports out was a pretty simple. 8 bolts and your done. Heres the side support brackets (pic 1), the 73/74 grill (pic 2), and the side brackets attached to the grill http://i196.photobucket.com/albums/a...oad9-15014.jpg http://i196.photobucket.com/albums/a...oad9-15012.jpg http://i196.photobucket.com/albums/a...oad9-15013.jpg To mount the side supports youll need to drill four holes, two on each side. If you look just to the inside edge of the headlights, youll see Chevy provided dimples where the side brackets need to mount. http://i196.photobucket.com/albums/a...oad9-15011.jpg The pre-drill shot of the dimples didnt come out as well as I would have liked, but the after shot shows up better. http://i196.photobucket.com/albums/a...oad9-15015.jpg In my own case here I drilled the holes a little large, and used washers with my bolts. I figured my chances of getting it exactly right on the first try were slim to none. Doing it this way will allow me to adjust the gaps. Heres an after picture with the grill installed. http://i196.photobucket.com/albums/a...oad9-15016.jpg Now your down to re assembling everthing and viewing the finished product. http://i196.photobucket.com/albums/a...oad9-15017.jpg As it turns out, Ive still got some adjusting to do. Im off about 1/4 inch to the left. I still need to make something up for the center mounts too. Aside from those little details the swap is done though. As it turns out this is probably one of the easiest things Ive done to the truck. Hope this helps someone along the way. |
Re: 73/74 grill swap
This swap did leave me with one question. Ive asked this to a few 'chevy' guys that I know, and none of them could give me an answer. If those dimples where the side mounts bolt on were only necessary for the 73/74 side mounts, why did they carry them on into later years?
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so that replacement core supports can be offered from 73-80 i assume.
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Thanks for sharing.
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I love the 73-74 grill, so you know I dig the conversion. It looks to me like the gap around the trim is a bit wide. Anyone got a good pic of a 73-74 front end to compare?
BTW- What about the internal hood latch. Will this work alright with that? |
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My 73 cheyenne
http://i7.photobucket.com/albums/y26...l/Farmpics.jpg I cannot find pics of my other trucks though. we have a green 73 white 74 and maybe another one or two i cant remember anymore haha. |
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So maybe I am wrong but I still think the gap is a bit wider. According to LMC the trim is all the same, so maybe its just me.
Thanks for the pics. |
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his trim does look a little off to me n2trux, but i think its the headon style photo.
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Ive not done the latch swap. I didnt need to with the external latch, but from what I can find on here changing them out isnt hard. You would still have the spot for an external latch on the grill though. I noticed the gap too, but I figured there wasnt much to be done about it unless I got a grill stretcher :jest: |
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That gap is about right, looks like mine.
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How did your hood release work out with the 73-74 center? i am thinking about doing this to my 78 with inside release as well. |
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Perfect fit. Didn't bind up or hit the grille.
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I really like that grille. Is the 73/74 grill being reproduced?
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73' grill on a 77' front clip
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Thanks man! This write up was all i needed!
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Yep this was a easy swap,I did the same thing, as for the center mounts here is what I did , took the 73-4 mounts and cut the top about 2 1/2" down , then bent the mounting part down about 3" to meet up with the staight up style core support , added gussets in the void , heres a pic
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I should have added this was for a GMC, I'm also not sure if the GMC is different than the Chevy, I think that the chevy didnt have the bolt on brackets ,
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