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Topic: I need this part

in Forum: C3 General Discussion


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I need this part (1/10)
 9/20/19 8:30am
Laurel
Former Member

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Joined: 9/14/2019
Posts: 39

I was looking at diagrams of the 1981 Corvette non power antenna on the web and seen that a non power antenna has reinforcement or ( ground ) plate with a ground strap under the fender. I was wondering has any one come across this part,  seen a supplier for it or made a part like this ? I looked around and can't seem to find any one that carry's any thing like it.






|UPDATED|9/20/2019 5:30:16 AM (AZT)|/UPDATED|
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Re: I need this part (2/10)
 9/20/19 11:28am
manchestersharkLifetime Member
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Equinunk, PA - USA

Vette(s):
1972 conv, 4-speed, 350, 200hp, numbers match, rally wheels, war bonnett yellow w/white top. good condition, nice driver.


Joined: 10/31/2007
Posts: 2382

Hi, The ground plate on my 72' is aluminum. Easy enough to make one. Just has to fit contour of fender. Also, the ground strap can be any type of woven or solid copper strap. The woven type will be available at parts stores, and have a place on the end to put the bolt through.



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Re: I need this part (3/10)
 9/20/19 11:44am
manchestersharkLifetime Member
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Equinunk, PA - USA

Vette(s):
1972 conv, 4-speed, 350, 200hp, numbers match, rally wheels, war bonnett yellow w/white top. good condition, nice driver.


Joined: 10/31/2007
Posts: 2382

Corvette America has all parts. May have to search 63-68. Ground plate is listed there.



|UPDATED|9/20/2019 8:44:25 AM (AZT)|/UPDATED|


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Re: I need this part (4/10)
 9/20/19 1:13pm
Laurel
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Joined: 9/14/2019
Posts: 39

Thanks ,  I thought it would be easy enough to make one from a 1/8 pc. of aluminum but was trying to avoid that if I could. I went ahead and bought one from Corvette Central this morning. I'll just get a ground strap from auto parts store or will probably make one my self from wire and wire ends.

Re: I need this part (5/10)
 9/20/19 2:12pm
73shark
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Overland Park, KS - USA

Vette(s):
1973 Orange Metallic Coupe (orig owner), L82, 4 spd (WR), PS, (A/C & PW (I installed from wrecked 73)), leather, AM/FM Stereo, ran with '65 FI unit earlier & will again some day.


Joined: 7/9/2003
Posts: 864

I am surprised that your power antenna didn't have the aluminum ground plane plate. It's really not very thick and it's just to provide a ground plane for the radio frequency signal since the Corvette is all plastic.



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1973 L-82 4 spd

Re: I need this part (6/10)
 9/20/19 2:43pm
Laurel
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Joined: 9/14/2019
Posts: 39

 looking at the power antenna the ground strap is bolted right on the antenna. I don't know if power antenna had that part to begin with. Now that I'm going with the fixed mast antenna I not only need the plate for a ground plate, I was also thinking with out the plate it may eventually cause the body to crack at the antennas hole in the 1/4 panel,  do you think that's possible ?   

Re: I need this part (7/10)
 9/20/19 4:12pm
manchestersharkLifetime Member
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Equinunk, PA - USA

Vette(s):
1972 conv, 4-speed, 350, 200hp, numbers match, rally wheels, war bonnett yellow w/white top. good condition, nice driver.


Joined: 10/31/2007
Posts: 2382

Not likely.  My opinion is there is very little stress from the mast from movement to create enough effect on the body. The ground plane is there to catch the radio signal, not support for antenna base. 



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Re: I need this part (8/10)
 9/20/19 5:07pm
Laurel
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Joined: 9/14/2019
Posts: 39

That's good to know,  I was unsure at first and it's always good to ask for opinions.  I probably could have found a way to jerry rig a ground wire to the fixed mast antenna itself but I think that using the antenna ground plate will look better and make the installation easier. 

Re: I need this part (9/10)
 9/21/19 3:11pm
Redwoman
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Bellingham, MA - USA

Vette(s):
1980 loaded red on red. 68,000 original miles. Second owner. Well documented with all original paperwork. NCRS Founders Award 9/27/14. NCRS Top Flight 10/12/14.


Joined: 6/23/2014
Posts: 175

Curious why you changer to a fixed mast antenna! Is the power one broken?



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Re: I need this part (10/10)
 9/21/19 4:52pm
Laurel
Former Member

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Joined: 9/14/2019
Posts: 39

No, Not any longer check my other post out on this power antenna in C3 electrical. Thanks for your input on the antenna being an OEM part. The previous owner told me it took him a long time to find it but I was unsure about it.  






|UPDATED|9/21/2019 1:52:43 PM (AZT)|/UPDATED|
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