Trunk drain plugs - Chevelle Tech
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post #1 of 8 (permalink) Old Nov 8th, 19, 9:58 AM Thread Starter
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Lou
 
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Trunk drain plugs

Hi,

On my 65 Chevelle there are two rubber drain plugs in the trunk that I need to replace. Would anyone happen to know if these were installed before or after the splatter paint was applied. Minor detail but it can make a difference on the look. The existing were hard and brittle and did not appear to have any coating on them.

Thanks,

Lou
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post #2 of 8 (permalink) Old Nov 8th, 19, 4:06 PM
Cam
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Re: Trunk drain plugs

So many of these cars have been redone, finding an unmolested car to study is difficult. I believe the plugs were in place when the trunk was painted.

I have a '67 with original paint in the trunk (although I had to have the trunk side sections replaced). My rubber plugs seemed to have the remnants of some paint. My car was built in Oshawa with a body-coloured trunk, so possibly the painting process timing was done differently at other plants due to spatter paint. Also the rubber seems to shed the paint over time, leading us to see unpainted plugs or plugs stained with some kind of white paint or primer.

If I'm wrong, somebody please jump in and correct me. I'll bet Jeff Helms knows for sure.
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post #3 of 8 (permalink) Old Nov 8th, 19, 4:11 PM
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Re: Trunk drain plugs

If I had to guess, I'd say the rubber plugs were NOT painted. I've never seen any evidence of any kind of paint on plugs from a car that hasn't been messed with. The metal plugs YES are painted, rubber plugs are not. That's been my observation. However, I will admit that most of the untouched cars I'm referring to were pretty rough. At the end of the day, those plugs are covered by the trunk mat anyway so leaving them bare rubber will never really be seen and if you find out later they should be painted they could very easily be touched up to have paint.

In general, I've never seen any original rubber or plastic plugs in one of these cars that appeared to be painted by the factory. And if you think about it, you wouldn't want a plug in place before painting as the plug would cover raw metal that would quickly corrode as the plug would help hold moisture against bare metal.
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post #4 of 8 (permalink) Old Nov 8th, 19, 4:36 PM
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Re: Trunk drain plugs

The cleaning dip would not drain too well if the drain plugs were installed. No one would touch a car from the time it gets dip cleaned until it comes out of the body line with paint on it. At least this is what I have witnessed in the current auto plants. I assume it would be similar in the 60's and 70's.
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post #5 of 8 (permalink) Old Nov 8th, 19, 6:43 PM
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Re: Trunk drain plugs

Quote:
Originally Posted by 1943MB View Post
Hi,

On my 65 Chevelle there are two rubber drain plugs in the trunk that I need to replace. Would anyone happen to know if these were installed before or after the splatter paint was applied. Minor detail but it can make a difference on the look. The existing were hard and brittle and did not appear to have any coating on them.

Thanks,

Lou
Here's an interesting video from 1970 showing (jump ahead to 16:30) the painting process on a 1970 Monte Carlo. Maybe it will give you an answer...

Based on this 1970 video, I'd guess NO the plugs came later. When the painted body is dropped onto the frame those workers down in the pit are doing more then bolting in the body bolts, I'd assume that is when the plugs went in... At least in 1970.
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post #6 of 8 (permalink) Old Nov 8th, 19, 9:36 PM
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Re: Trunk drain plugs

It depends on which plant the car was built at. Some of them put the rubber plugs in the trunk before spatter, others after spatter. Which plant was your car built at?
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post #7 of 8 (permalink) Old Nov 8th, 19, 11:19 PM
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Re: Trunk drain plugs

Camaros had the seals installed after the primer was baked in before painting the body.

CRG Research Report - Camaro Assembly Process
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post #8 of 8 (permalink) Old Nov 9th, 19, 11:05 AM Thread Starter
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Re: Trunk drain plugs

Quote:
Originally Posted by jeffschevelle View Post
It depends on which plant the car was built at. Some of them put the rubber plugs in the trunk before spatter, others after spatter. Which plant was your car built at?

The Atlanta,Ga. plant
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