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3Likes

06-25-2007, 02:26 PM
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CC Member
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Join Date: Nov 2006
Location: Chicago Northwest Suburbs,
IL
Cobra Make, Engine: 427 Cobra re-creation based on Kirkham aluminum body and chassis, Original 1965 Ford 427 Side Oiler and Ford Toploader transmission
Posts: 247
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Not Ranked
So the question is now, is there a good source to get a proper designed hex head bolt if the choice is made to go in that direction. As I have considered this I have not been successful in finding original hex bolts or something close. Anyone know of something?
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06-25-2007, 02:33 PM
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CC Member
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Join Date: May 2004
Location: Palm Coast,
FL
Cobra Make, Engine: Shelby American CSX 4241 - authentically built
Posts: 2,573
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Not Ranked
Quote:
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Originally Posted by richsd
So the question is now, is there a good source to get a proper designed hex head bolt if the choice is made to go in that direction. As I have considered this I have not been successful in finding original hex bolts or something close. Anyone know of something?
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I am quite confident I could find a proper bolt. The next question is does anyone HAVE a proper bolt to try to find a copy of  .
__________________
Sal Mennella
CSX 4241, KMP 357 - sold and missed, CSX 4819 - cancelled, FFR 5132 - sold
See my car at CSXinfo.net here >> CSX 4241
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06-25-2007, 02:38 PM
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Senior Club Cobra Member
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Join Date: Mar 2001
Location: Northport,
NY
Cobra Make, Engine: Kirkham, KMP178 / '66 GT350H, 4-speed
Posts: 10,362
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Not Ranked
a bolt is a bolt....c'mon guys :-)
Sal... call Mike back...ask for some pictures.
Last edited by computerworks; 06-25-2007 at 02:41 PM..
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06-25-2007, 03:52 PM
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CC Member
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Join Date: Nov 2003
Location: Fresno,
CA
Cobra Make, Engine: Shelby CSX 4766 (Vegas Built) with 482 Aluminum Pond motor
Posts: 814
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Not Ranked
All this bantering back and forth
and I have yet to see one picture of a original set up with the shaved hex bolt! 
__________________
Morgan LeBlanc
Fresno CA
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10-21-2013, 05:58 PM
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CC Member
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Join Date: Dec 2010
Cobra Make, Engine:
Posts: 57
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Not Ranked
bolts
Nice discussion. I love you guys. I wish I had seen this earlier and saved all the hostile statements back and forth and offened egos These are the facts. FACTS. The bolts used originally by the AC factory, where the comp style filler was absolutely installed, were BSF hex bolts, period. My brother was at A.C. in 1967 at the parts counter at A.C. following my orders to get three complete Comp fillers, necks and all attaching hardware, for the car that I eventually going to own. I have them today 2013. Shelby, when the cars were painted, changed the bolts to aircraft surplus American fine thread low height indented thinned head bolts. He did not machine anything thinner. They came that way and he selected them that way. The bolts he used have a spherical circular depression in the thinned head with a thin AN washer added to protect the underlying aluminum flang. No stainless steel, machined, phillips anything. Period. There is a call out number on the head that indentifies the manufacturer, type of O.D. fit and basic thread size. No length call out on the head data. I'll give you all a hint, the company was in walking distance of the Shelby factory. Imagine that. Hope this helps.
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10-21-2013, 08:12 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
Smoothed and chromed, looks like with the lack of radiused corners someone turned them down then puffed them.

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10-21-2013, 08:15 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
NAS thin head style. Military surplus was cheap, high quality readily available stuff.

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10-21-2013, 11:15 PM
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CC Member
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Join Date: May 2001
Location: California,
Ca
Cobra Make, Engine: NAF 289 Slabside Early Comp Car with 289 Webers and all the goodies. Cancelling the efforts of several Priuses
Posts: 6,592
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Not Ranked
The bolts on the red car above are Premier Supertanium grade 10. At one time the benchmark chassis fastener in Nascar racing, but a bit of overkill for the application here.
__________________
Rick
As you slide down the Banister of Life, may the splinters never be pointing the wrong way
Last edited by Rick Parker; 10-21-2013 at 11:18 PM..
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10-22-2013, 07:02 AM
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Senior Club Cobra Member
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Join Date: Mar 2005
Location: Manchester,
NH
Cobra Make, Engine: AK1085 (302 Street), HTM111 (427 Comp), CSX2375R (289 Comp) and COB5999 (427 S/C)
Posts: 19,111
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Not Ranked
All the cars I have seen are hex in the early 3000 series.
Sal did a great rendition however the accuracy of 47 and 50 are hard to dispute.
3047: Jack bought the car with a fresh coat of solid blue. The car had FIA gold wheels and had nothing missing from the Carter Getty days. The stripes were added by jack and Paula one Saturday afternoon with shaker can white and masking tape. From what he had told me the car was very complete and untouched. Wanna see picture in blue pre-stripes?????
3050: Also another untouched with painted bolts..
Never felt the machined bolts were correct as that was extra $, anyone in MFG knows time = $$$. Didn't make the car faster.
My vote = bolts
Here is 47:
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10-22-2013, 09:25 AM
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CC Member
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Join Date: Jul 2011
Location: Weatherford,
TX
Cobra Make, Engine: 427 S/C
Posts: 80
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Not Ranked
Where can you get them?
GRUFF
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10-22-2013, 10:38 AM
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CC Member
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Join Date: Jan 2011
Cobra Make, Engine: Hi-Tech
Posts: 738
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Not Ranked
Until I was lucky enough to find a stash of really cool looking Supertanium bolts, I was using the titanium aircraft bolts with the thin head. I have several 1/4" bolts that I am no longer and would be willing to sell for a very reasonable price if someone wants them - I have a couple of different lengths. They look very old school because of the color. Here is a link to some for sale on ebay - by changing the suffix on the P/N, you can get different lengths:
Titanium 1 4" Bolts NAS6404 15 An Aircraft Aviation Hardware Bolt Racecare NAS | eBay
Here is a picture of my original Enots cap with the titanium bolts:
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10-22-2013, 12:45 PM
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Senior Club Cobra Member
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Join Date: Mar 2005
Location: Manchester,
NH
Cobra Make, Engine: AK1085 (302 Street), HTM111 (427 Comp), CSX2375R (289 Comp) and COB5999 (427 S/C)
Posts: 19,111
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Not Ranked
I got these from Kevin, million thanks
Bowmalloy
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10-22-2013, 03:36 PM
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CC Member
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Join Date: Jan 2011
Cobra Make, Engine: Hi-Tech
Posts: 738
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Not Ranked
Hey Jeff - I am glad you like those Bomalloy's - They look great on your car!!!
I was going to use those on my car also but I found these Supertanium's and I will be using those instead...

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10-22-2013, 04:32 PM
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CC Member
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Join Date: Feb 2013
Location: Carlsbad,
Ca
Cobra Make, Engine: SAI FIA, 289HP (5-bolt), 48IDA Webers
Posts: 1,244
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Not Ranked
Actually as previously stated SAI would by military surplus hardware for, cheaper to get and higher quality than the hardware store would offer. SAI tended to use "CXS" stamped hex bolts (mostly cadmiumum plated) when building out competition Cobras, areas of use included everything from Weber linkages to suspension hardware.
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10-22-2013, 05:28 PM
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CC Member
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Join Date: Jan 2009
Cobra Make, Engine: N.A.F., 351 cleveland, 9" ford
Posts: 210
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Not Ranked
Aircraft Spruce and Specialty Co. for AN or NAS style bolts...
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