72 lemans to 70 gto? - Pontiac GTO Forum
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post #1 of 22 (permalink) Old 06-23-2015, 10:12 PM Thread Starter
 
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72 lemans to 70 gto?

I'm the new owner of a 72 lemans which came with new 70 gto fenders, hood, bumper, and valance. I was wondering if I bought a new "70 gto" radiator core support, which it already needs, will I be able to "convert" the front end to a 70 gto?
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post #2 of 22 (permalink) Old 06-23-2015, 10:16 PM Thread Starter
 
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heres pictures of the new quarters and trunk floor being installed.
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post #3 of 22 (permalink) Old 06-24-2015, 09:46 AM
 
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Garage
When I bought her, my '70 GTO lacked the entire front clip (doghouse), so I feel confident I can comment intelligently on the process involved in amassing the necessary parts. As my dear wife likes to comment prior to any major (for me) project that she wants done (and has no clue as to what's really involved): "How hard could it be?"

You'll need the '70 GTO Endura Bumper, the '70 GTO Bumper Brackets, the '70 GTO Frame Extensions, both '70 GTO Fenders, the '70 GTO Front Valance, a '68-'70 GTO Hood, the '70 GTO Radiator Core Support, and like a HUNDRED fracking little pieces including fasterners and brackets!!! All these parts (except the hood) are one year-specific parts (which drives up the cost). Some are available in reproduction, but that is also expensive.

It can be done, your best bet is to search Craig's List for a complete '70 GTO front end clip... AND get yourself a '70 Factory Assembly Manual (there is a decent exploded diagram of a '70 GTO Front Clip out there on the internet somewhere, but I couldn't find it to attach -- PM me if you want it as I have it saved in my photos.

Good job on the rear end.

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post #4 of 22 (permalink) Old 06-24-2015, 12:17 PM Thread Starter
 
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Thank you for the info! I found that they sell a front end hardware kit for sheet metal at NPD which is what I was going to buy to hopefully take care of most of the bolts. From your list it sounds like all I need are bumper brackets, and most of the misc. pieces like headlight bezels, turn signals, and grills and such. I just didn't want to get to the point where I start hanging the sheet metal and find out none of it will work.
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post #5 of 22 (permalink) Old 06-24-2015, 01:45 PM
 
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The large front bumper brackets, the attached center coresupport bracket, and the small stamped valance to front fender brackets are usually the hardest to find. The small stamped steel valance brackets are reproduced, and are cheap.

The Chinese repro core support is not bent correctly on the stepped edge where the fan shroud attaches, and the entire length of that flange will have to be bent to the correct angle. Good used '69-72 hood hinges hold up better than the repro's. Have to be careful in sourcing them, '71-72 GTO's and endura nose LeMans used the same hood hinge, but with thicker springs, and you don't want to bolt the hd spring version on '69-70 GTO's or LeMans with their lighter hoods.
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post #6 of 22 (permalink) Old 06-24-2015, 06:14 PM
 
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Once you have everything you will want to fit it all together before you paint anything especially if using repro parts. That way you can make any modifications without messing up new paint. The advantage you have here is most anything you can't find original has been reproduced for the GTO. LeMans parts can be another story. It took me over a year to find a corner marker light for mine which was a one year part that has not been reproduced.
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post #7 of 22 (permalink) Old 09-02-2016, 09:40 AM Thread Starter
 
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Just getting back to this project. Does anyone have any of these parts I might need? Any new tips or tricks?
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post #8 of 22 (permalink) Old 10-27-2017, 10:54 PM Thread Starter
 
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So the front bumper nose I have is the glasstek one. Does anyone know how to install this? Yes i know it looks like a POS. Just wanted to document the pictures here. I just set the fenders and hood on for a quick visual. I recently bought the 70' GTO core support.
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post #9 of 22 (permalink) Old 10-28-2017, 03:20 PM
 
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Posted on your other thread about the fiberglass nose mounting. Have you noticed the fitment issues with the repro fenders? Neither fit real well,but the passenger side one, ESP does not fit well @ the door jamb area, & the fender/ brace will have to be taken apart. There is a thread out there that explains the repair of the passenger side fender by a long time metal man. explains it better than I could, I look for that post & fwd it to you.

Several years ago, i picked up one of the $80 lwr fender sections with brace & it had the same issue. Another issue that will have to be addressed is the way the lwr U channel is jig welded on the bottom of the core support upright at the wrong angle.
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post #10 of 22 (permalink) Old 10-29-2017, 11:59 AM Thread Starter
 
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Thank you for the responses... I haven't had time to fit any of the fenders yet, I had to replace the core support first which I bought last weekend. The fenders were bought years ago, I forget which company... but I can say just messing with them quickly, it appears the drivers side fender will need worked pretty good to get a decent fender/door gap... any information you find/have that has to do with the 70' gto front end, parts and sources would be greatly appreciated. I'm trying to get this car finish so my dad can enjoy it.
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