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[C2] White fiberglass / grey fiberglass

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Old 07-25-2016, 01:17 PM
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65VetteVert
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Default White fiberglass / grey fiberglass

I have been doing the slow tedious job of final body work on my '65 convertible this summer. This car seems to be assembled from several cars. Under the many coats of paint & primer, body was blue, trim tag says red. Hood and decklid were originally green, doors were originally red. Under the primer, the body is made of white fiberglass, but the hood and decklid are dark grey. Seems unusual to me, any thoughts?
Old 07-25-2016, 02:50 PM
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Scott Marzahl
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63-64 cars used a white resin fiberglass, while 65-66 used a grey resin fiberglass, and 67s used a black resin. Sounds like a few replacement panels on that car.
Old 07-25-2016, 06:29 PM
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Frankie the Fink
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Originally Posted by Scott Marzahl
63-64 cars used a white resin fiberglass, while 65-66 used a grey resin fiberglass, and 67s used a black resin. Sounds like a few replacement panels on that car.
That's my understanding as well. Sounds like some cross-pollination of body panels has taken place...
Old 07-25-2016, 07:24 PM
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65hihp
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there can be a mix of white and grey body panels in the cars during the first few months of 65 production until the white disappeared completely.

is your car an early 65 vin?
Old 07-25-2016, 08:14 PM
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65VetteVert
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It was built April 1st of 65
Old 07-25-2016, 09:39 PM
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Chuck Gongloff
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Mt late 63, July build, is all light gray glass.
Old 07-26-2016, 04:02 AM
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Frankie the Fink
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My May 63 car is blond glass except for the rear valence...
I know of a 63 convertible that has mixed glass panels as well...
Old 07-26-2016, 12:57 PM
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Chuck Gongloff
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All gray....
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Old 07-26-2016, 05:34 PM
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SWCDuke
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My mid-production SWC has a mix of grey and light tan panels. I think it may have been two different suppliers. Rockwell was one, but I forget the name of the other.

There is no functional difference between the two, and once under paint, no one knows, but it does look pretty funky when you strip off the paint.

Duke
Old 07-26-2016, 06:20 PM
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DUB
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Originally Posted by SWCDuke
and once under paint, no one knows, but it does look pretty funky when you strip off the paint.

Duke
Especially the hood and deck lid which get painted. I would not loose any sleep over this.

DUB
Old 07-26-2016, 08:27 PM
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65VetteVert
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The paint will cover it just fine, I was curious when I saw this. GM must have used resins from several suppliers.
Old 07-27-2016, 08:57 PM
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JohnZ
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Originally Posted by 65VetteVert
GM must have used resins from several suppliers. [/I]
Actually, GM didn't use ANY resins - GM had ZERO in-house fiberglass production or molding capability; all Corvette fiberglass panels were purchased from outside suppliers like Molded Fiber Glass, Rockwell, A.O. Smith, General Tire, GenCorp, etc. There was little rhyme or reason to coloration of the fillers, other than they generally got darker through the midyears, with the 67's being predominantly dark gray or black.
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