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 23Likes
04-08-2018, 09:52 AM
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CC Member
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Join Date: Dec 2003
Location: Gurnee,
IL
Cobra Make, Engine: Kirkham #259
Posts: 1,396
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Not Ranked
Patrick
We use a 2.75” socket on our SS nuts ....torqued to 450# lbs. of torque to put them on......
And if we remove them with the torque wrench .....it takes over 600# of torque to take them off.....with the 3/4” impact and a 1/2” hose it knocks them right off....
Yes we use the impact to put them on as well.....
BTW......the 2.75” Socket is standard size for the Center-lock wheels used in TransAm and IMSA....
__________________
Morris
Last edited by Morris; 04-08-2018 at 09:55 AM..
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04-08-2018, 10:16 AM
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CC Member
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Join Date: Aug 2014
Cobra Make, Engine: Scratch Built with 482 FE
Posts: 146
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Not Ranked
Quote:
Originally Posted by Morris
Patrick
We use a 2.75” socket on our SS nuts ....torqued to 450# lbs. of torque to put them on......
And if we remove them with the torque wrench .....it takes over 600# of torque to take them off.....with the 3/4” impact and a 1/2” hose it knocks them right off....
Yes we use the impact to put them on as well.....
BTW......the 2.75” Socket is standard size for the Center-lock wheels used in TransAm and IMSA....
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Hi Morris,
Where did you get the SS nuts? I would like to get a set.
Thanks,
SB |
04-08-2018, 03:35 PM
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CC Member
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Join Date: Dec 2003
Location: Gurnee,
IL
Cobra Make, Engine: Kirkham #259
Posts: 1,396
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Not Ranked
Quote:
Originally Posted by ScratchBuilder
Hi Morris,
Where did you get the SS nuts? I would like to get a set.
Thanks,
SB
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I can’t remember the guy’s name.....but he is in Torrance CA. And made a lot of parts for the fellow that builds and refurbishes Cobra’s at the Torrance Airport....
Mike something.....very well known....that’s all I can remember......but the cost back then was $100.00 per nut....stainless-steel.....and they fit our wheels perfect.....meaning the angle of the mating surface.....
Hope that helps....
__________________
Morris
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04-08-2018, 04:14 PM
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CC Member
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Join Date: Aug 2017
Location: Maryville,
TN
Cobra Make, Engine: '65 Shelby Cobra, '66 Shelby GT350's
Posts: 279
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Not Ranked
Quote:
Originally Posted by Morris
I can’t remember the guy’s name.....but he is in Torrance CA. And made a lot of parts for the fellow that builds and refurbishes Cobra’s at the Torrance Airport....
Mike something.....very well known....that’s all I can remember......but the cost back then was $100.00 per nut....stainless-steel.....and they fit our wheels perfect.....meaning the angle of the mating surface.....
Hope that helps....
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I think you are referring to Mike McCluskey of McCluskey LTD.
__________________
~ Steven
6S1806, 1966 Shelby GT350 B/P Race car.
6S246, Shelby GT350 "carryover"
6S1745 Shelby GT350
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04-09-2018, 10:06 AM
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Full Blown Member
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Join Date: Sep 2008
Cobra Make, Engine: KMP 427 S/C, Twin Paxton 511 FE
Posts: 2,594
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Not Ranked
Quote:
Originally Posted by Morris
I can’t remember the guy’s name.....but he is in Torrance CA. And made a lot of parts for the fellow that builds and refurbishes Cobra’s at the Torrance Airport....
Mike something.....
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Mike McCluskey is of course the restorer at Zamperini Field but I believe you're talking about George Petrus of cobraracing.com. He has since passed away and his son has "taken over". I've been to his new shop (his son is a machinist too) and even purchased parts but communication is spotty.
If I'm not mistaken, the nuts from Vintage are ally and the ones from Cobra Racing are SS.
Zoomed View
__________________
rodneym
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04-09-2018, 10:15 AM
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CC Member
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Join Date: Dec 2003
Location: Gurnee,
IL
Cobra Make, Engine: Kirkham #259
Posts: 1,396
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Not Ranked
Quote:
Originally Posted by rodneym
Mike McCluskey is of course the restorer at Zamperini Field but I believe you're talking about George Petrus of cobraracing.com. He has since passed away and his son has "taken over". I've been to his new shop (his son is a machinist too) and even purchased parts but communication is spotty.
If I'm not mistaken, the nuts from Vintage are ally and the ones from Cobra Racing are SS.
Zoomed View |
Thank You.....sometimes it takes a few turns for my brain to catch my mouth....
__________________
Morris
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04-09-2018, 10:56 AM
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Full Blown Member
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Join Date: Sep 2008
Cobra Make, Engine: KMP 427 S/C, Twin Paxton 511 FE
Posts: 2,594
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Not Ranked
Quote:
Originally Posted by Morris
Thank You.....sometimes it takes a few turns for my brain to catch my mouth....
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Ha!
In my case it would take the full 3/4" impact gun.
__________________
rodneym
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04-09-2018, 06:28 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
Well I was thinking "if it's good enough for DanEC and Morris..." but I can't find a half-inch drive torque extension stick at anywhere near 450 ft/lbs. My impact gun has no torque limiting switch for "reverse mode." So, tightening the passenger side spinners will have to have something, like a torque stick, on them (especially when I go up to the 1/2" hose, which I've already ordered).  |
04-08-2018, 10:22 AM
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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 Morris
Patrick
We use a 2.75” socket on our SS nuts ....torqued to 450# lbs. of torque to put them on......
And if we remove them with the torque wrench .....it takes over 600# of torque to take them off.....with the 3/4” impact and a 1/2” hose it knocks them right off....
Yes we use the impact to put them on as well.....
BTW......the 2.75” Socket is standard size for the Center-lock wheels used in TransAm and IMSA....
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I like a definitive and authoritative answer. Thanks. |
04-11-2018, 01:49 PM
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CC Member
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Join Date: Apr 2007
Cobra Make, Engine:
Posts: 1,009
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Not Ranked
Center lock Torque
Quote:
Originally Posted by Morris
Patrick
We use a 2.75” socket on our SS nuts ....torqued to 450# lbs. of torque to put them on......
And if we remove them with the torque wrench .....it takes over 600# of torque to take them off.....with the 3/4” impact and a 1/2” hose it knocks them right off....
Yes we use the impact to put them on as well.....
BTW......the 2.75” Socket is standard size for the Center-lock wheels used in TransAm and IMSA....
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Porsche is 450 Ft/lb also, I bought a 4' torque wrench to install on my GT3 and it takes a 6' breaker bar to remove. I have given myself carpal tunnel in both hands banging on the knock offs so now I need to follow Morris lead and get SS nuts. I can no longer even swing my lead knock off hammer. |
04-11-2018, 04:38 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 Cobra #3170
Porsche is 450 Ft/lb also, I bought a 4' torque wrench to install on my GT3 and it takes a 6' breaker bar to remove. I have given myself carpal tunnel in both hands banging on the knock offs so now I need to follow Morris lead and get SS nuts. I can no longer even swing my lead knock off hammer.
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Well I just put the half inch hose, and appropriate fittings, on the AirCat and tool and it did indeed make a nice difference.  . How much, I can't really tell. I still have no way to torque them down accurately with my gun and tool, and I can't find a torque stick that will fit my half inch gun, so I'll just keep whacking them with the Mutha Thumper hammer to put them on and use my tool to remove them.
Last edited by patrickt; 04-11-2018 at 04:40 PM..
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04-11-2018, 04:49 PM
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CC Member
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Join Date: Dec 2003
Location: Gurnee,
IL
Cobra Make, Engine: Kirkham #259
Posts: 1,396
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Not Ranked
Quote:
Originally Posted by Cobra #3170
Porsche is 450 Ft/lb also, I bought a 4' torque wrench to install on my GT3 and it takes a 6' breaker bar to remove. I have given myself carpal tunnel in both hands banging on the knock offs so now I need to follow Morris lead and get SS nuts. I can no longer even swing my lead knock off hammer.
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Bruce
Once you change.... you'll wish you had done it many years ago.....Plus it's easy and a 3/4"inch gun will take them off and put them on....many times we have just put them on until the gun slows down hammering and go to the track... no torque wrench and never had a failure.... that size gun when it is slowing down or stops usually is about 500#lbs of torque anyway...
Good luck and spin the nuts the right way....
__________________
Morris
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