| [GMCnet] 455 head bolts [message #93926] |
Thu, 29 July 2010 22:22  |
Mary Duprey
Messages: 12
Registered: July 2010
Karma: 0
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Does anyone out there know where I can get new head bolts for my '76 455 Palm Beach? Local shop said didn't need new bolts but upon torquing them to the 85 ft lbs called for one snapped, came out ok but would like to get all new bolts anyways. The bolts I see online don't seem to have the threads on top for the first 2 on each side that mine has. Any help or suggestions are appreciated.
Mary DupreySt. Johnsbury, VT
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| Re: [GMCnet] 455 head bolts [message #93960 is a reply to message #93926] |
Fri, 30 July 2010 07:14  |
Dennis S
Messages: 3046
Registered: November 2005
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Mary,
I used ARP head bolts except for two (of the four) locations where the threads extend above the top of the bolt and there I re-used the old bolts.
Dennis Sexton
73 PD 230
Germantown, TN
USA
-----Original Message-----
From: Mary Duprey <marysgmcplace@hotmail.com>
To: gmclist@temp.gmcnet.org
Sent: Thu, Jul 29, 2010 10:22 pm
Subject: [GMCnet] 455 head bolts
oes anyone out there know where I can get new head bolts for my '76 455 Palm
each? Local shop said didn't need new bolts but upon torquing them to the 85
t lbs called for one snapped, came out ok but would like to get all new bolts
nyways. The bolts I see online don't seem to have the threads on top for the
irst 2 on each side that mine has. Any help or suggestions are appreciated.
ary DupreySt. Johnsbury, VT
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Dennis S
73 Painted Desert 230
Memphis TN Metro
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| Re: [GMCnet] 455 head bolts [message #94007 is a reply to message #93926] |
Fri, 30 July 2010 13:12 |
powerjon
Messages: 2446
Registered: January 2004
Karma: 5
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Senior Member |
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Jegs,
See:
http://www.jegs.com/i/Edelbrock/350/8558/10002/-1
J.R. Wright
On Jul 29, 2010, at 11:22 PM, Mary Duprey wrote:
>
> Does anyone out there know where I can get new head bolts for my '76
> 455 Palm Beach? Local shop said didn't need new bolts but upon
> torquing them to the 85 ft lbs called for one snapped, came out ok
> but would like to get all new bolts anyways. The bolts I see online
> don't seem to have the threads on top for the first 2 on each side
> that mine has. Any help or suggestions are appreciated.
> Mary DupreySt. Johnsbury, VT
> _______________________________________________
> GMCnet mailing list
> List Information and Subscription Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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J.R. Wright
GMC GreatLaker
GMC Eastern States
GMCMI
78 30' Buskirk Stretch
75 Avion Under Reconstruction
Michigan
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| Re: [GMCnet] 455 head bolts [message #94412 is a reply to message #93961] |
Tue, 03 August 2010 00:01 |
Mary Duprey
Messages: 12
Registered: July 2010
Karma: 0
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Junior Member |
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Thanks for the info. Did as you suggested new bolts ordered, should be here 8/4. Not sure when we will try to finish up engine job. P. S. Mary, may not be a common name for one snapping off head bolts, but you may be surprised at what I do for a living.
>Mary>Vermont
> Date: Fri, 30 Jul 2010 05:21:12 -0700
> From: botiemad11@gmail.com
> To: gmclist@temp.gmcnet.org
> Subject: Re: [GMCnet] 455 head bolts
>
> Mary,
> (Not a common name for one snapping off head bolts.) Did you run a
> clean up tap through the bolt holes prior to threading in the head
> bolts? Did you cleant the threads on the bolts prior to reassembly?
> Also, a small bit of assy lube under the bolt head will prevent
> galling and give a more realistic torque readings. Those bolts should
> be able to be reused at least three times before they're stretched
> beyond service. Make sure you have the right bolt in the right hole.
>
> On Thu, Jul 29, 2010 at 8:22 PM, Mary Duprey <marysgmcplace@hotmail.com> wrote:
> >
> > Does anyone out there know where I can get new head bolts for my '76 455 Palm Beach? Local shop said didn't need new bolts but upon torquing them to the 85 ft lbs called for one snapped, came out ok but would like to get all new bolts anyways. The bolts I see online don't seem to have the threads on top for the first 2 on each side that mine has. Any help or suggestions are appreciated.
> > Mary DupreySt. Johnsbury, VT
> > _______________________________________________
> > GMCnet mailing list
> > List Information and Subscription Options:
> > http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
> >
>
>
>
> --
> Steve Ferguson
> '76 EII
> Sierra Vista, AZ
> Urethane bushing source
> www.bdub.net/ferguson/
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> GMCnet mailing list
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| Re: [GMCnet] 455 head bolts [message #94506 is a reply to message #93926] |
Tue, 03 August 2010 18:01 |
C Boyd
Messages: 2629
Registered: April 2006
Karma: 18
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| Mary Duprey wrote on Thu, 29 July 2010 23:22 |
Does anyone out there know where I can get new head bolts for my '76 455 Palm Beach? Local shop said didn't need new bolts but upon torquing them to the 85 ft lbs called for one snapped, came out ok but would like to get all new bolts anyways. The bolts I see online don't seem to have the threads on top for the first 2 on each side that mine has. Any help or suggestions are appreciated.
Mary DupreySt. Johnsbury, VT
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Mary: it is my understanding that the head bolts with the threads on top are no longer available new. Joe Mondello has some used ones.
http://mondello.com/index.htm
C. Boyd
76 Crestmont
East Tennessee
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