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Old 01-17-2017, 05:44 PM   #1
sphooch
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Cool Gonna blow my horn- maybe

I have a question for the experts, I'm in the process of rebuilding my horn for my 31 roadster.I'm using LES ANDREWS hand book as my guide. 5 mfg's he states made the horns . according to that I have a mixed up horn and would like you guys to conferm that. my ARMATURE SHAFT measures 5/16 in. which makes it a AMES or G. M. I. however the motor frame measures 3/4 in. making it a SPARTEN or E. A. the 5th mfg is STEWART WARNER . SO how can I tell for sure?? there are no marks on the horn body at all. is it possible the parts were interchangeable at the time?any help is as always greatly appreciated. THE HOOCH
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Old 01-17-2017, 07:13 PM   #2
Tom Wesenberg
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Default Re: Gonna blow my horn- maybe

Need some pictures and the horn experts can tell.
Just be careful of the nut holding the wavy washer, because some horns use a LEFT hand thread.
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Old 01-17-2017, 07:21 PM   #3
HoarseWhisperer
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Default Re: Gonna blow my horn- maybe

I believe the GMI will have vertically mounted brushes. Great sounding horn!

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Old 01-17-2017, 11:14 PM   #4
SeaSlugs
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Default Re: Gonna blow my horn- maybe

yea if they are restored correctly and the horn rod is workign exceptionally well with virtually no resistance it should sound great. if its got sticky oil , adjusted too tight, dirty brushes, or horn rod/wiring is iffy then it sounds like a sick cow...
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Old 01-18-2017, 10:00 AM   #5
pgerhardt
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Default Re: Gonna blow my horn- maybe

Quote:
Originally Posted by sphooch View Post
I have a question for the experts, I'm in the process of rebuilding my horn for my 31 roadster.I'm using LES ANDREWS hand book as my guide. 5 mfg's he states made the horns . according to that I have a mixed up horn and would like you guys to conferm that. my ARMATURE SHAFT measures 5/16 in. which makes it a AMES or G. M. I. however the motor frame measures 3/4 in. making it a SPARTEN or E. A. the 5th mfg is STEWART WARNER . SO how can I tell for sure?? there are no marks on the horn body at all. is it possible the parts were interchangeable at the time?any help is as always greatly appreciated. THE HOOCH
Check this thread out. It has lots of good info:
http://www.fordbarn.com/forum/showth...dentification"
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Old 01-18-2017, 07:16 PM   #6
Herb Concord Ca
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Default Re: Gonna blow my horn- maybe

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The Stewart Warner horn motor has Left hand threads, the other four have s Right hand threads. Be careful, make sure you know what motor you have.
The Bell of a S-W horn is lightly stamped Stewart Warner in script.
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