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FPH Gruppe
Join Date: Aug 2002
Location: Way up the left coast and inland a bit
Posts: 1,785
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Which horn is which?
On my 72 911t the horn is... laughable. I was doing a quick check on it this weekend and found out the horn that points forward is not working at all... so is that the high tone or low tone?
And would you bother replacing it, or upgrade???
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Skip Newsom 72 911T Targa Signal Yellow Now sporting a big Port 3.0 built by THE John Walker |
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02-05-2003, 10:05 AM
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Bandwidth AbUser
Join Date: Nov 2001
Location: SoCal
Posts: 29,522
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Not sure which is which. I replaced the non-functional trumpet horns in the 73E with round Hella horns. I'm kind of regretting that move as the horns now make me think of old VW beetles (not that there's anything wrong with that!). My 95 993 horns sound sooo good. I think that's the sound I want in the 73E.
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Jim R. |
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02-05-2003, 10:15 AM
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Senior Member
Join Date: Nov 2000
Location: Great NorthWest
Posts: 3,936
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Don't forget that some of these horns are adjustable. Pull horn from car, ground in a vise and apply 12v. Then unlock the set screw's lock nut and turn, very slowly, in and out until you begin to hear noise.
Possible it is out entirely, but this procedure cures horns that work, letting you find the perfect pitch, via resetting the diaphragm via set screw. John
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'78 Targa in Minerva Blue |
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02-05-2003, 10:51 AM
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Registered
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if there is a part number on your non-working horn, this might help....
the fanfare trumpet horns are: High: 911 635 101 00 Low: 911 635 102 00
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'70 911S 1002938 '70 Ducati Mark 3D 350 |
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02-05-2003, 10:52 AM
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FPH Gruppe
Join Date: Aug 2002
Location: Way up the left coast and inland a bit
Posts: 1,785
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Great ideas and help!
I'll pull the non working one, look for a part# and see if I can bring it back to life. Thanks! 
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Skip Newsom 72 911T Targa Signal Yellow Now sporting a big Port 3.0 built by THE John Walker |
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02-05-2003, 10:56 AM
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I would rather be driving
Join Date: Apr 2000
Location: Austin, TX
Posts: 9,108
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I would suggest taking both apart and cleaning the plunger by the film. They probably need it after living in a wheel well for 30 years. After cleaning the adjustment is simple. They will sound great afterwards.
Jamie
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Jamie - I can explain it to you. But I can not understand it for you. 71 911T SWT - Sun and Fun Mobile 72 911T project car. "Minne" - A tangy version of tangerine #projectminne classicautowerks.com - EFI conversion parts and suspension setups. IG Classicautowerks |
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02-05-2003, 11:42 AM
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Registered
Join Date: Oct 2002
Location: Kentucky/NY
Posts: 406
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Same type question came up the other day here,
some suggested Harbor Freight for replacement... http://www.harborfreight.com/cpi/ctaf/headsearch.taf?function=Search
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Impotence...Nature's way of saying "No hard feelings." McDaniel 1974 911 Targa 1995 Toyota Avalon 2004 Toyota Tundra Extended Cab |
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02-05-2003, 12:06 PM
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