Is it common for floors of my Avanti to get warm and wet even in winter. I'm guessing it's the heat transfer getting trapped under the carpet and floor mat. In summer I don't use my floor mats for this reason. Will dynamat help this issue?
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Warm condensation floors '63 avanti
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Heater control valve leaking?Jim
Often in error, never in doubt
http://rabidsnailracing.blogspot.com/
____1966 Avanti II RQA 0088_______________1963 Avanti R2 63R3152____________http://rabidsnailracing.blogspot.com/
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this is not normal. I live in Florida and don't experience these problems even when it is raining. I'll go with Jim and guess heater core or heater control valve.78 Avanti RQB 2792
64 Avanti R1 R5408
63 Avanti R1 R4551
63 Avanti R1 R2281
62 GT Hawk V15949
56 GH 6032504
56 GH 6032588
55 Speedster 7160047
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Warm floors in a '63 Avanti? Yep! The heat from the exhaust system and the transmission comes right through those uninsulated floor panels. I had a '63 w/o A/C, and it could get very hot inside. Dynamat would definitely help.
Wet floors? There are problems with the design of the weatherstripping around the doors, particularly at the front. If there is water outside, there will be water inside under the carpets. Replacing the weatherstripping where the door meets the A-pillar may help. Adjusting the door hinges may also help. Best bet here is to stay in out of the rain.Jim Bradley
Lake Monticello, VA
'78 Avanti II
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Thanks for the replys. Yes, the condensation goes away. Floors also get wet when car out on a hot day with the mats inside, so it must be as you mentioned due to design and heat transfer. Will check my heater control valve and hopefully do dynamat some day.
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As mentioned, door leaks at the front are common. There are additional seals that can added to improve sealing. That said, however the water is getting in, the felt under-padding, once wet, will take forever to dry out. You may sense that the carpet is dry on the surface, but once you place a mat on top, the moisture in the under-padding will come up thru the carpet and condense on the underside of the mat. I have used a venter fan from a gas-fired water heater to direct a stream of air across a wet area for several hours to dry out a carpet and under-padding area. Test your door seals by rubbing the seals with talcum powder and then firmly close the door. When opened, you will be able to see where the seals are contacting the body opening, and where improvements need to be made. Also make sure that the damp-proofing is secure under the door panels. I use black poly film secured with a butyl strip adhesive to ensure complete water proofing. The factory paper tape was poorly applied and after all these years, probably non-existent.
In the 4 years after the restoration of my '63, I have had only one incident of wet carpet by the passenger door, and that was after a days drive that included a period of driving in torrential rain with standing water on the road.
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