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 3Likes
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2
Post By mrmustang
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1
Post By
04-05-2014, 04:19 PM
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CC Member/Contributor
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Join Date: Feb 2000
Location: Greenville,
SC
Cobra Make, Engine: 70 Shelby convertible, ERA-289 FIA, ERA 289 roadster hybrid, mystery Ford powered 2dr convertible
Posts: 12,765
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Not Ranked
Patrick,
The problem with a mount like that is that over time, the solid copper will break due to vibration and chassis flex. Could be one season, could be three, it's not a matter of if, but a matter of when.
Bill S.
__________________
Instead of being part of the problem, be part of a successful solution.
First time Cobra buyers-READ THIS
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04-05-2014, 04:32 PM
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CC Member
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Join Date: Dec 2001
Cobra Make, Engine: BDR
Posts: 536
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Not Ranked
Quote:
Originally Posted by mrmustang
Patrick,
The problem with a mount like that is that over time, the solid copper will break due to vibration and chassis flex. Could be one season, could be three, it's not a matter of if, but a matter of when.
Bill S.
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Ya I agree, nice job but I think a #4awg MTW might last longer in our car's with the vibrations. |
04-05-2014, 05:03 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,025
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Not Ranked
Quote:
Originally Posted by mrmustang
The problem with a mount like that is that over time, the solid copper will break due to vibration and chassis flex. Could be one season, could be three, it's not a matter of if, but a matter of when.
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By the time that guy vibrates apart, I will long be dead and buried. 
Quote:
Originally Posted by DanEC
OK Patrick - your electrical flunky here. I'm not sure I follow the point of this.  My old Corvette doesn't have a neg battery terminal to frame ground and they are notorious for having to ground everything due to the fiberglass body. I don't even have a drivetrain to frame ground on my ERA (but I ordered one from McMasters and intend to install it at the transmission) - and I haven't noticed any issues with grounding. I assume this is just precautionary or have you noticed a problem? |
No problems, just tweaking. But if you want to know whether your frame is properly grounded, turn on your lights and fans and put an inductive ammeter around the little black wire that runs from the passenger side cylinder head to the firewall. If it's carrying more than 15 amps, do some additional grounding. |
04-05-2014, 06:11 PM
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CC Member/Contributor
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Join Date: Feb 2000
Location: Greenville,
SC
Cobra Make, Engine: 70 Shelby convertible, ERA-289 FIA, ERA 289 roadster hybrid, mystery Ford powered 2dr convertible
Posts: 12,765
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Not Ranked
Quote:
Originally Posted by patrickt
By the time that guy vibrates apart, I will long be dead and buried.
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Patrick,
It's your car, you do with it what you want, but you'll be alive when it happens unless you do not plan to be around in the next 1-3 years. The real question is, will you be man enough to admit it when it happens?
Bill S.
PS: There is a reason why regular ground straps are made of stranded or braided materials, same goes for your battery cables. Think about it for a while, you'll figure it all out I'm sure of it. 
__________________
Instead of being part of the problem, be part of a successful solution.
First time Cobra buyers-READ THIS
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04-05-2014, 06:23 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,025
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Not Ranked
Quote:
Originally Posted by mrmustang
... will you be man enough to admit it when it happens?
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Why would you think I might not? |
04-05-2014, 06:44 PM
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Senior Club Cobra Member
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Join Date: Feb 2004
Cobra Make, Engine:
Posts: 1,226
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Not Ranked
Quote:
Originally Posted by patrickt
Why would you think I might not? |
Oh, I don't know. Maybe a check of your prior 15,384 posts might give you a clue. |
04-05-2014, 06:46 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,025
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Not Ranked
Quote:
Originally Posted by jwd
Oh, I don't know. Maybe a check of your prior 15,384 posts might give you a clue. |
Which one did you have in mind?  |
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