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Old 07-06-2015, 11:19 AM
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Default A/C dripping from condensation?

This is my first "hotrod" with A/C and I just got back from my first road trip, (about 4 hours each way). It was mid to high 80's and pretty humid.
The A/C worked great, except after an hour or so on the road it started to drip condensate from the outside of the floor vent and A/C housing onto the passenger floor and later dripped from under the dash onto my feet. The dripping was substantial. My wife had to cover her feet with a towel to keep them & the carpet dry. I was also worried about my stereo unit getting ruined, and this maybe even causing an electrical short.
The dripping doesn't occur when driving the 10 to 40 miles I normally drive the car. But I will almost always see vapor condense on the center dash vent.

On a scale of 1-10, this is a "3" of concern to me.

I called V-A & they said it is simply a function of the air temp differential, and is "normal". I have never experienced this in any other A/C'd car, although they weren't black cars with aftermarket air.

The normal condensation drain is not leaking inside the car and is working fine as best I can tell.

Have you experienced this? Ever heard of it?
Do you worry enough about it to fix it? Maybe insulate the ducts?

Any experience shared is appreciated.

Bill
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Bill


'69 Camaro / 534 BBC / DSE Built
'67 C10 / LS-3 w/Magnuson / Roadster Shop Chassis (SOLD)
'71 Blazer / LT4 / 8L90 / Roadster Shop Chassis / Ride Tech Air Susp.
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