Ok, I noticed my carpet on the passenger side was wet towards the seat area on the floor pan... I also noticed a little on the driver side in the same area. The heater core was suspected so I just removed it this evening. While taking it out I did not see/feel any coolant leaking. I'm at a loss..... The car has been in the garage for 3 weeks now and has not been in the rain for 3 weeks.
I thought the cowl also but it's been in the garage for 3 weeks with no rain. It seems to be damp when I drive it for 20-30 minutes. Makes me think from underneath? The floor pan to firewall angled floor is not wet... Just the flat surface towards the seats...
Well, it's easy to do a cowl test. Pour a gallon of water into each side of the cowl vents, and then look on the carpet to see what's happening. If it becomes wet, well join the club... However, maybe you'll get lucky and not have cowl rustout.
Unfortunately, these cars were designed from the factory to promote early cowl rust out as the inner cowl area never even received paint from Ford. But sometimes you can get lucky... so pour away and let us know what you find.
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67 Fastback GT -- original colour (Frost Turquoise), orig engine, .. . 1st pic is the car as it now is. Stock except for Opentracker roller perches and idler arm, roller bearing pedal cluster, Cibie lights, radials, that sort of thing..
2nd pic is of me and the same Mustang - May '67, with original F70-14 Wide Ovals.
I've been very reluctant to make the cowl test. I have no intention of ever driving my 'vert in the rain. And I just can't summon the courage to pour a jug of water down there and, perhaps, have to deal with soaked carpets.
I have had mental slips while washing the car and rinsing with a garden hose and have never noticed a leak.
When I first received the car off the truck from Florida, I found that the front pax floor and both floors in the rear were wet. Drivers floor was dry.
No antifreeze leak. I figure the car sat outside during a rain storm and water was blown in through the gap between windows and convertible top.
So, I'm just planning on keeping it out of the rain.
I've been very reluctant to make the cowl test. I have no intention of ever driving my 'vert in the rain. And I just can't summon the courage to pour a jug of water down there and, perhaps, have to deal with soaked carpets.
I have had mental slips while washing the car and rinsing with a garden hose and have never noticed a leak.
When I first received the car off the truck from Florida, I found that the front pax floor and both floors in the rear were wet. Drivers floor was dry.
No antifreeze leak. I figure the car sat outside during a rain storm and water was blown in through the gap between windows and convertible top.
So, I'm just planning on keeping it out of the rain.
My thoughts exactly. Keep her out of the rain! By George she is almost 50!
I've been very reluctant to make the cowl test. I have no intention of ever driving my 'vert in the rain. And I just can't summon the courage to pour a jug of water down there and, perhaps, have to deal with soaked carpets.
And most likely soaked wiring on the driver side
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"Certainly, there's nothing wrong with a little feast on our time."
Replaced
Full floor pan
Firewall
Full cowl
Radiator support
Shelby Drop done
Up next:
4 wheel drum to disc conversion, rebuild front suspension/steering, taillight panel, trunk floor,302 and AOD upgrade, wiring harnesses back in, and hopefully only patch panels on the quarters
E=MChuck Norris
Antifreeze will smell sweet when hot. I had an Audi with a never found leak however you knew it was leaking by the loss of coolant and the "pancake syrup" smell when you turned on the heat. I'd check that core and incoming hoses one more time.
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66 2+2, 289 Ross, TW, CI TLSR, Victor, Demon
Remove your radiator cap. Lean over and take a whiff. Same smell as what's in the car? I doubt it.
Welcome to the Leaky Cowl Club. There are more of us out there then you think. Outside of removing the cowl, there is not much you can do. Many have tried, few have succeded.
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1966 GT coupe, A code 289, 4 speed.
Any vermin/ pets in the garage? If not most likely it was wet when received & just has not totally dried out. Use a shop vac to suck up excess water (if any) & get some mild heat on/ near the wetness. Good luck.
Any vermin/ pets in the garage? If not most likely it was wet when received & just has not totally dried out. Use a shop vac to suck up excess water (if any) & get some mild heat on/ near the wetness. Good luck.
No pets. I was pouring rain while I drive it home 3 weeks ago.
I have removed the heater core and hoses. I will see what happens. I looked in the cowl vent from underneath the dash area on the passenger side and there is surface rust but no cancer from what I was able to see but I know that doesn't mean there isn't in places I can't see.
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Wet carpet????
And most likely soaked wiring on the driver side 
