1977 Corvette with dampness on the floor


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


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


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


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.

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


there is a drain hole in the filler neck.


Thank you!


The floorboards are fiberglass and will not "rust".

1 of 1 people found this helpful.

Your Answer


Looking for a Used Corvette in your area?

CarGurus has 15,794 nationwide Corvette listings starting at $4,500.


Chevrolet Corvette Experts

  • #1
    John Carson
  • #2
    Vincent Parker
  • #3
    Tom Demyan
View All

Related Models For Sale

Used Chevrolet Camaro
242 Great Deals out of 30,118 listings starting at $4,980
Used Ford Mustang
291 Great Deals out of 38,369 listings starting at $1,995
Used Dodge Challenger
124 Great Deals out of 25,413 listings starting at $7,250
Used Porsche 911
87 Great Deals out of 5,113 listings starting at $9,550
Used Dodge Charger
270 Great Deals out of 33,011 listings starting at $495
Used Mercedes-Benz SL-Class
53 Great Deals out of 3,211 listings starting at $4,930
Used Pontiac Firebird
8 Great Deals out of 672 listings starting at $2,500
Used Ford F-150
2,558 Great Deals out of 220,223 listings starting at $1,222

Used Cars For Sale

2018 Chevrolet Corvette For Sale
6 Great Deals out of 2,619 listings starting at $44,760
2017 Chevrolet Corvette For Sale
15 Great Deals out of 3,181 listings starting at $42,998
2016 Chevrolet Corvette For Sale
10 Great Deals out of 919 listings starting at $39,500
2015 Chevrolet Corvette For Sale
6 Great Deals out of 655 listings starting at $35,999
2014 Chevrolet Corvette For Sale
646 listings starting at $34,991

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.