Is this horn stock or "custom"? - Impala Tech
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post #1 of 8 (permalink) Old 11-25-2017, 12:25 AM Thread Starter
 
 
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Question Is this horn stock or "custom"? (Tri-Volume Horn)

In my engine bay, on the driver's side is a HUGE trumpet horn. From the design of the horn, it is somewhat vintage, but I don't know if this is original to the car or an aftermarket add-on.

It looks like a very authentic installation if it's not original.

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according to the body tag: (if I'm reading this correctly)
Build Date: Third week of November, 1965
Impala SS 2-door coupe (V8)
Arlington TX plant.
Original Paint: Evening Orchid (currently Crocus Yellow)
Original Interior: white/black (currently Black)
Factory Air Conditioning

not on the tag:
396 TurboJet (non-matching number)
3-speed, Automatic Transmission (TH400?)

12 bolt,
locking rear differential (
3.30? gear ratio)
Tri-Volume Horn (GM Accessory)

Last edited by Houston; 11-27-2017 at 10:21 PM. Reason: updating title for improved search-ability
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post #2 of 8 (permalink) Old 11-25-2017, 10:06 AM
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Doubt it seriously. Back in the day everything from wolf whistles to air horns that played Dixie where installed under the hood. Local laws prohibited this in the eighties so there are fewer found today.

Big Dave
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post #3 of 8 (permalink) Old 11-25-2017, 05:06 PM
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When I went to get my car inspected many years ago, I forgot to dis-connect the Ah-ooo-ga Horn and reconnect the factory one.

It passed anyway, lol.

-Parting Out over 75 '58 to '73 Full Size Chevy Cars-

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post #4 of 8 (permalink) Old 11-25-2017, 06:03 PM
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The reason aftermarket horns were banned is due to idiots that installed "Diesel-Electric Locomotive" horns under the hood of their car and blasting a pedestrian in a city cross walk with a 106 dB electric horn: or worse a 138 dB air horn that is illegal on a semi truck.

I suspect that horn you have may be one of those "train horns" that teenagers loved back in the seventies. (real train horns use five air powered trumpets that can be heard five miles away at 140-150 dB by federal law).

Big Dave
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post #5 of 8 (permalink) Old 11-26-2017, 09:48 AM
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Tri-Volume Horn

Look up the 1965 Impala tri-volume horn and you will see pics that look pretty similar. This is a pretty rare option 31,743 units factory installed and the design completely changed in 66 to a more similar looking horn to the standard horns. The 6 tri-volume mounted under the driver's side fender.

Google below and look at the 65 brochure
1965 impala tri-volume horn

Paul

Paul

1966 Impala SS

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post #6 of 8 (permalink) Old 11-27-2017, 07:44 PM Thread Starter
 
 
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Quote:
Originally Posted by fsc66 View Post
Google below and look at the 65 brochure
1965 impala tri-volume horn

Paul
https://www.uniquecarsandparts.com.a...ssories-16.jpg

Wow, that's very similar.

The one I have is electric powered (see images attached in the original post), definitely not air-powered like I would have thought.

I wonder what it would take to restore it...


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according to the body tag: (if I'm reading this correctly)
Build Date: Third week of November, 1965
Impala SS 2-door coupe (V8)
Arlington TX plant.
Original Paint: Evening Orchid (currently Crocus Yellow)
Original Interior: white/black (currently Black)
Factory Air Conditioning

not on the tag:
396 TurboJet (non-matching number)
3-speed, Automatic Transmission (TH400?)

12 bolt,
locking rear differential (
3.30? gear ratio)
Tri-Volume Horn (GM Accessory)
Houston is offline  
post #7 of 8 (permalink) Old 11-27-2017, 07:48 PM Thread Starter
 
 
Join Date: Nov 2017
Posts: 24
 
Garage
Also, a mention of something similar here:

'65 Impala trumpet horn - ChevyTalk - FREE Restoration and Repair Help for your Chevrolet

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.
according to the body tag: (if I'm reading this correctly)
Build Date: Third week of November, 1965
Impala SS 2-door coupe (V8)
Arlington TX plant.
Original Paint: Evening Orchid (currently Crocus Yellow)
Original Interior: white/black (currently Black)
Factory Air Conditioning

not on the tag:
396 TurboJet (non-matching number)
3-speed, Automatic Transmission (TH400?)

12 bolt,
locking rear differential (
3.30? gear ratio)
Tri-Volume Horn (GM Accessory)
Houston is offline  
post #8 of 8 (permalink) Old 11-27-2017, 10:18 PM Thread Starter
 
 
Join Date: Nov 2017
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Garage
Well, looks like it is a true accessory! See attached from the 1965 Accessories Installation Reference Manual

Tri-Volume Horn
Part number 986265

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.
according to the body tag: (if I'm reading this correctly)
Build Date: Third week of November, 1965
Impala SS 2-door coupe (V8)
Arlington TX plant.
Original Paint: Evening Orchid (currently Crocus Yellow)
Original Interior: white/black (currently Black)
Factory Air Conditioning

not on the tag:
396 TurboJet (non-matching number)
3-speed, Automatic Transmission (TH400?)

12 bolt,
locking rear differential (
3.30? gear ratio)
Tri-Volume Horn (GM Accessory)
Houston is offline  
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