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Post Info TOPIC: 1968 Windshield Rot Issue


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1968 Windshield Rot Issue


Still trying to address an issue with upper dash/lower windshield channel rot. The repair appears difficult because there are no GTO metal dash replacements available. 
The cowl is in excellent shape.

Question. Is the cowl a chevelle which is then mated to a Pontiac GTO dash? Or would I be good to find someone to chop out a 1968 GTO cowl with dash portion?

Any leads on source for this type of part would be appreciated. Also, any suggestions to tackle this repair would be much appreciated.



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It's a heck of a job, but if the rot hasn't travelled too far up into the dash and down into the cowl and you still have the meat to attach to, you can just piece and weld new sections back in. I did it on my 65 B.

Just the one thing to be considerate of, is you must follow the same positioning and shape of the channel all the way across. The glass absolutely must sit in the factory position for the reveal molding to fit properly. The sealing system you use and the rubber shims buy you some leeway, but not much.

The one good thing is that the appearance of the work matters not. Just that it's strong, seals well and is long lasting. It all gets covered up anyway. I have images of the repair if you'd like.



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65 Laurentian post, 67 Grande Parisienne 4 door HT. 
 


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1968-72 GM A Body Metal Windshield Upper Dash Repair Panel | eBay



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You guys are lucky..



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65 Laurentian post, 67 Grande Parisienne 4 door HT. 
 


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i have bought B body repair channel for the 66 Parissienne and 67 Caprice too . its in a box in the trunk of car at the body shop collecting dust



-- Edited by 70 SS ACADIAN on Saturday 19th of November 2022 01:34:46 PM

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Is that the one that is the entire cowl? Down to the firewall seam.



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65 Laurentian post, 67 Grande Parisienne 4 door HT. 
 


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cdnpont wrote:

Is that the one that is the entire cowl? Down to the firewall seam.


 they are just the channel



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Never knew they were available. Got a link?



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65 Laurentian post, 67 Grande Parisienne 4 door HT. 
 


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1968 Impala Windshield Channel Rust Repair Part 1 - Bing video



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Canadian Poncho Superstar!

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Ok, I've see those fabbed channel sections. But never anything all the way across the front for a B, unless the entire wiper cowl.



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65 Laurentian post, 67 Grande Parisienne 4 door HT. 
 
NOS


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NDP i Michigan has the A body part and says that it does all A bodies. Google the part description for some excellent videos 



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cdnpont wrote:

Ok, I've see those fabbed channel sections. But never anything all the way across the front for a B, unless the entire wiper cowl.


 that I have not seen either



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t1.jpg



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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

1966 Grande Parisienne, 396 1 of 23 factory air cars



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4SPEED427 wrote:

t1.jpg


 how much are they Carl?



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Canadian Poncho Superstar!

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Sorry for leading Adrian's post into B territory

https://www.classicindustries.com/product/all-years/chevrolet/impala/parts/152617.html



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65 Laurentian post, 67 Grande Parisienne 4 door HT. 
 


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Thank you Mark, Kevin.

I will be receiving a Dash Panel Patch from AMD next week. If anything we might be able to use it in the repairs. But the fitting I learned is not exact. Nor is there enough metal to patch the rot which has migrated further up the dash (the cowl is fine).

I came across the new replacement cowl sections during my search Carl. The issue is the dash overlaps the cowl, at the windshield channel, so that piece is of no use. 
The body tech is almost ready to commit some extensive time/labour in fabrication, as we have almost exhausted our search. 
Desert Valley Auto Parts in Arizona, and GM Sport Salvage in California are two sources of used, rust free, cowl and dash section  with the windshield channel intact (still welded to the cowl). Problem is, $550 US + a whole ton of shipping. But this might be a good thing because a whole ton of labour could be saved.

Here are a couple pics- the part ill receive next week, and the cowl section I could bring up from the deep south (The used part is for a different car, but Desert Valley can supply the 68 GTO similar piece)

https://m.youtube.com/watch?v=DGWX8J2BaQY



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Canadian Poncho Superstar!

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Do you have any images of what you're up against Adrian? I'm just curious.

It's interesting how different but the 67-69 A body cowl section is compared to the B. It's really a whole different animal.

And I do know if a overall high end result is the goal, then it just can't be just patched in willy nilly.



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65 Laurentian post, 67 Grande Parisienne 4 door HT. 
 


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i got one for my gto from rpm parts in saskatoon

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Poncho Master!

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This is what I found during my restoration at the body shop.

Impala 09 Don Butt Autobody 2003 to 05  09  copy.jpg

 

Heres the piece that was souced from a USA wrecking yard. 

Originally when the  dash section was installed it was 3 pieces.  It had to be cut back to those individual pieces to complete the process.

 usa dash insert for impala.jpg

 

The squigly lines are from trying to select portions of the image in paint..

Finished repair

finished repair.jpg



-- Edited by oshawacliff on Sunday 20th of November 2022 01:26:21 AM

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Cliff

Done Hurryin

Like the larger type for my eyes. 

 

 



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We are looking for good results in this repair. Do not want this kind of damage happening again. I know the repair will be mostly buried. But I do not want any worries down the road. Here is a pic of what the rot looks like



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Thats settled. I believe we need to find the same part Cliff!! (For a 68 GTO- cowl, upper cowl, dash cutout)
This forum site is awesome! All the input helps point in the right direction. Thank you everybody.



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Guru

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My 68 is stripped to the cowl and the windshield is removed so if you need any reference pics let me know.

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Thanks ashmore. Much appreciated.



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Yeah, that part would be same as chevelle and is definitely repopped.

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