How do I determine if my Chevelle had a GM rear quarter installed? [Archive] - Chevelle Tech

: How do I determine if my Chevelle had a GM rear quarter installed?


Unclepennybags
May 31st, 03, 8:57 AM
After I stripped my 67 Chevelle, I found that the pass side quarter had been replaced. (Whoever did it did a great job - it never rusted and must have been installed close to 20 years ago!) My first clue was when I stripped the vinyl top off the roof. The roof had red primer rather than the usual black that the factory used.

The quarter panel extends up the roof about 1". It also wraps inside the door jam about 1/2" - 3/4". The quarter panel also has the flange for the trunk edge, and continues up to where the trunk weatherstrip goes. On the bottom, it extends to the rocker panel. It has a number stamped on it 7361729. The number was faint, so it was hard to read.

Was this a GM quarter panel? New, or used when installed?

When rear quarter was installed in a body shop, where did they usually cut it on a 1967 Chevelle? I would have thought that if they had a new GM quarter panel it would have extended farther up the roof, but I guess it would be hard to weld where the original joint is due to the solder being there. Am I right?

Did some body shops use used quarter panels?

Thanks!

Mike

MARTINSR
May 31st, 03, 11:45 AM
Yes, some shops did and still do use used quarters. Yours is of course an "original" GM quarter because no aftermarkets were being made 20 years ago.

And Yes, splicing the piller would be common practice just like it is today with "normal" cars. It is a standard repair procedure. In fact, there are many cars today that the "quarter" is one piece all the way up to the front hinge piller so unless you are going to replace the whole side of the car, you have to splice.

Just be thankful that it was done well. My girlfriend back in 1977 had a super nice low mile 68 Rally Sport Camaro that she wrecked. The Chevy dealer here in town "replaced" the quarter by splicing straight down over the wheel well!! It was a bondo covered hack job for sure. Even then when I was just getting an understanding of this whole autobody thing I couldn't understand why you would do that. I thought, if you are going to cover it with bondo, why not just fix the old smashed one? It made since then and it still does. smile.gif

Unclepennybags
May 31st, 03, 3:49 PM
I was hoping that you would answer!

The panel was spot brazed. Held up well.

Question: at the rocker panel/quarter panel joint should I just use seam sealer? What is the best way to cover this joint. I want to still see the gap when done, just like the original.

Mike

blown68
Jun 1st, 03, 3:02 AM
Yes,use the seam sealer along the joint and then with a clean rag soaked with thinner,reducer or wax @ grease remover, wipe it smooth so that the joint still shows and there is no sealer on the outer panels.(helps if you apply it on just level to the 1/4s and rockers -not gooped on thick-otherwise there will be a lot of sealer to wipe off -messy)It'll look just like factory!

Unclepennybags
Jun 1st, 03, 6:32 AM
Thanks for the reply on the seam sealer. I'll do just that.

Mike