1977 Corvette with dampness on the floor

10

Asked by Oct 07, 2007 at 06:15 PM about the 1977 Chevrolet Corvette Coupe

Question type: Maintenance & Repair

I just got a 1977 Corvette with the L48 engine / automatic.  I took out all the carpeting and I noticed dampness on the floor in front of the seats.  Are there common problem areas in this model that would cause this dampness... such as the t-tops, flat back window, etc?  I also noticed that there was a hole in each floor... about the size of a quarter.  Any thoughts?  Thanks, Mahi

7 Answers

735

Common problem with the C3, leaking t-top seals, another problem is the cowl get filled with debris and plugs the drain hole then the water has not other place to go but the interior. Now the holes in the floor you got me? Can you post up a photo? Wade

10

Wade... thanks for the information. I will try to get a picture of the floor next weekend. The holes on the floor look like factory holes. One more question. When filling with gas.... if gas overflows.... is there a drain pipe to get the gas out of there. I noticed that the filler neck is surrounded by a rubber doughnut. Mahi

15,525

More than likely over time the dampness has lead to rust which has eaten through the floorboard. Check the undercarriage for rust in front of the seats.

1 of 1 people found this helpful.
10

Thanks for the input. I will closer at the area this weekend. Mahi

65

there is a drain hole in the filler neck.

10

Thank you!

17,205

The floorboards are fiberglass and will not "rust".

1 of 1 people found this helpful.

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