Why is this hole here? - Vintage Mustang Forums
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post #1 of 12 (permalink) Old 03-16-2019, 10:14 AM Thread Starter
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Why is this hole here?

66 coupe. Car was apart when we got it.
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post #2 of 12 (permalink) Old 03-16-2019, 10:22 AM
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Is that on the passenger side transmission tunnel?
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post #3 of 12 (permalink) Old 03-16-2019, 10:24 AM Thread Starter
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Yes, that's why I'm asking. I'm sure my wife would like me to add a brake pedal.
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post #4 of 12 (permalink) Old 03-16-2019, 10:34 AM
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Its for the A/C evaporator water drain tube
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post #5 of 12 (permalink) Old 03-16-2019, 10:49 AM
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That's the sort of perfectly round hole to make you think its factory AC.
I'm jealous.

Verbose Vocabularian
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post #6 of 12 (permalink) Old 03-16-2019, 11:09 AM Thread Starter
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Thank you.
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post #7 of 12 (permalink) Old 03-16-2019, 11:17 AM
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Either plug the hole or put in AC, or have a wet carpet.

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Richardson TX

1968 GT500 Arrest Me Red (The Big Boy Toy)
1966 K Code Vert (The K 'Vert)
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post #8 of 12 (permalink) Old 03-16-2019, 11:40 AM
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100% the AC drain hole.
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post #9 of 12 (permalink) Old 03-16-2019, 01:57 PM
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It may be an A/C drain hole, but it is not in the proper location to be from a '66 factory installation. After looking at it closer, I thought it looked too low on the tunnel, so I went out to inspect my original unit. In my San Jose built '66, the hole is indeed higher. It is not more than 2" from the top of the tunnel. I would plug it. If you were to install A/C in the car using that drain location, you would be kicking the hose constantly.
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File Type: jpg hole.jpg (145.1 KB, 88 views)


'66 GT Fastback, 302, Edelbrock Top End, Sniper EFI/Aeromotive, MSD, JBA Headers & 2.5" Exhaust, T5Z, Currie 3.55 Trac-Loc
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post #10 of 12 (permalink) Old 03-16-2019, 02:41 PM
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In any case tell the wife it can NOT be used for a second brake pedal!
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post #11 of 12 (permalink) Old 03-16-2019, 03:06 PM
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Quote:
Originally Posted by 11thAirborne View Post
In any case tell the wife it can NOT be used for a second brake pedal!
Its better to give her a steering wheel:

Original Owner 69 Mach1
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post #12 of 12 (permalink) Old 03-16-2019, 03:56 PM
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Garage
Looks to me from your pic the trans tunnel sheet metal was replaced with a 65-70 Mustang-Fairlane-Falcon universal piece, the lowest location (maybe for 65) was punched and drilled but those two upper dimples are where you're supposed to center the drill bit for the 66-67 underdash add on air or upper and forward for 67 factory and 68-up all A/C. I have been reading a lot about AC lately...
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My 1st car...
'66 Tahoe Turquoise/ Aqua coupe
•289 / 4100 •C4 Auto •Disc Brakes
•Dual Exhaust •Quick Manual Steering
•Rally Pac •Console •Deluxe Belts
•LOTS of Rotunda accessories

Older son's 1st car...
'66 Emberglo / Parchment deluxe coupe
•289 / 2100 •C4 Auto
•Dealer A/C • Console
•Dual Exhaust • Power Steering

Younger son's 1st car...
'66 Nightmist / Blue & white deluxe coupe
•289 / 2100 •C4 Auto
•Factory A/C •Console
WAITING FOR RESTORATION

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