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 2Likes
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1
Post By ALF
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1
Post By Dan Case
07-05-2015, 08:35 PM
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CC Member
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Join Date: Apr 2007
Cobra Make, Engine:
Posts: 46
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Not Ranked
Need help with quick jack hardware - what is this?
Wanting to replicate the original quick jack mounting hardware. Appears that the the bolt head was inside the body (or was it threaded rod?) and the nut was visible when looking at the quick jack. The end of the bolt (or rod) was slotted for a screwdriver. Here's a pic I found from what appears to be an original 427 car.
But I am having a tough time figuring it out. Is that a split washer on the outside of the nut? How is that possible? Any help in deciphering this pic would be of great value.
regards,
Ron |
07-05-2015, 08:43 PM
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CC Member
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Join Date: Apr 2005
Location: Tucson,
AZ
Cobra Make, Engine:
Posts: 5,391
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Not Ranked
The nut is an Aerotight all metal locking nut. Came from the British aircraft industry but used throughout original Cobra's and Cobra 427. They are available still through current suppliers. Just Google "Aerotight" nut and you'll find them.
I'm not sure about the slotted shaft but I think Acton Custom sells them.
Larry
__________________
Alba gu brąth
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07-06-2015, 04:15 PM
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CC Member
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Join Date: Nov 2004
Location: Cambridge, England,
n/a
Cobra Make, Engine: 289 leafspring, r/p
Posts: 518
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Not Ranked
On the subject of Aerotights, does anyone have a source for 7/16" UNF? I can get most other sizes, but not fine thread 7/16".
Roger
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07-06-2015, 06:32 PM
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CC Member
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Join Date: Apr 2005
Location: Tucson,
AZ
Cobra Make, Engine:
Posts: 5,391
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Not Ranked
Have you tried fastenright.com? They have a pretty big selection of nuts.
Larry
__________________
Alba gu brąth
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07-06-2015, 08:26 PM
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Senior Club Cobra Member
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Join Date: Sep 2000
Location: Holderness, NH, US of A,
NH
Cobra Make, Engine: CSX 4772 old iron FE
Posts: 5,499
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Not Ranked
Yes it's 3021 and that hardware came from moi.
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07-06-2015, 09:03 PM
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CC Member
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Join Date: Oct 2010
Cobra Make, Engine: Superformance
Posts: 663
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Not Ranked
Quote:
Originally Posted by 1985 CCX
Get plated as its more authentic.
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What is proper? Zinc? Anodized? Gold hue or silver? |
07-06-2015, 09:37 PM
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Senior Club Cobra Member
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Join Date: Sep 2000
Location: Holderness, NH, US of A,
NH
Cobra Make, Engine: CSX 4772 old iron FE
Posts: 5,499
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Not Ranked
Grey/silver color.
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07-07-2015, 05:52 AM
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CC Member
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Join Date: Jul 2007
Location: Moultonboro,
NH
Cobra Make, Engine: Hi-Tech 427 Comp by Craig Coombe
Posts: 389
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Not Ranked
Just put them on my Hi-Tech this week...thanks, Nick. I slotted the rods with a Dremel.
btw, Nick...you said it could be "tricky" to get up behind the brake air scoops. That was understatement :-)
But I'm very pleased with the result...the details do make a difference.
Bill
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07-07-2015, 02:13 PM
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CC Member
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Join Date: Oct 2010
Cobra Make, Engine: Superformance
Posts: 663
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Not Ranked
Quote:
Originally Posted by ACademic
What is proper? Zinc? Anodized? Gold hue or silver? |
Quote:
Originally Posted by mickmate
Grey/silver color.
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mickmate, the photo from the OP indicates a gold iridite/yellow chromate color. Your hardware kit (per the photo on your web site) also alludes to this same yellowish hue. What exactly are you referencing that should be grey/silver? Thank you for the clarification. |
08-08-2015, 06:23 PM
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CC Member
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Join Date: Jun 2014
Location: Peoria,
AZ
Cobra Make, Engine: FFR
Posts: 35
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Not Ranked
Quote:
Originally Posted by ACademic
mickmate, the photo from the OP indicates a gold iridite/yellow chromate color. Your hardware kit (per the photo on your web site) also alludes to this same yellowish hue. What exactly are you referencing that should be grey/silver? Thank you for the clarification.
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Like this? |
10-16-2017, 04:48 AM
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CC Member
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Join Date: Sep 2003
Location: Switzerland,
CH
Cobra Make, Engine:
Posts: 536
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Not Ranked
I need your help to confirm/correct my understanding.
The mounting hardware available from Acton was used on 427 Comp cars and NOT on the 289 race cars.
On all pictures I checked on 289s I can see only normal bolts and not the mechanical locking nuts.
__________________
Driving with your Cobra is fun,
Racing with your Cobra is amazing,
Driving hill-climbing races with your Cobra is.... HAVEN!! 
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10-16-2017, 07:41 AM
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CC Member
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Join Date: Apr 2004
Posts: 1,029
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Not Ranked
I would expect American made NAS specification bolts and matching nylon insert prevailing torque self locking nuts for any period Shelby American installation.
__________________
Dan Case
1964 Cobra owner since 1983, Cobra crazy since I saw my first one in the mid 1960s in Huntsville, AL.
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