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#1 |
Registered User
Join Date: Oct 2009
Location: Ely, MN
Posts: 13
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Bolts for shoulder belts?
Does anyone know where I can get a couple of bolts for the upper attachment of the shoulder belts I have for my 71? Thanks, John
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#2 |
Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: Bolts for shoulder belts?
some autoparts stores will have them in the "help" section
i've also gotten them at junkyards
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71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
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#3 |
Moderator
![]() Join Date: May 2007
Location: Southern Cal
Posts: 20,006
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Re: Bolts for shoulder belts?
I got some grade 8's from Lowes.
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1972 C/10 Cheyenne Super SWB. Restored, loaded, slammed. 1968 C/10 50th Anniversary LWB. Unrestored, stock, daily driver/work truck. RIP ElJay RIP 67ChevyRedneck RIP Grumpy Old Man |
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#4 |
Senior Member
![]() Join Date: Mar 2000
Location: Saskatoon,SK,Canada
Posts: 2,476
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Re: Bolts for shoulder belts?
They are 7/16 NF. There is no special requirement to use grade 8. Actually grade 5 is more ductile and will deform where as a grade 8 is more inclined to snap. You'd be dead or something else would break before either fastener actually fialed though.
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Saskatoon, Saskatchewan Canada |
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#5 |
C/10 CLUB MEMBER
![]() Join Date: Jul 2003
Location: Lakewood, CA
Posts: 993
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Re: Bolts for shoulder belts?
This is my reminder to get some 3 point seat belts..pronto...thx
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#6 |
*************
![]() Join Date: Apr 2005
Location: Pensacola, FL
Posts: 17,846
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Re: Bolts for shoulder belts?
I think they are shoulder bolts. You can usually find them at hardware stores.
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Rob - https://www.instagram.com/hart_rod_c10 As Iron Sharpens Iron, So One Man Sharpens Another. Proverbs 27:17 FOR SALE: DBW pedal bracket - http://67-72chevytrucks.com/vboard/s...d.php?t=651123 FOR SALE: Hood Brackets http://67-72chevytrucks.com/vboard/s...d.php?t=679945 1987 Silverado SWB - 34.5K original miles http://67-72chevytrucks.com/vboard/s...d.php?t=801834 1969 SuperBurb - http://67-72chevytrucks.com/vboard/s...d.php?t=200387 1968 Farm truck - http://67-72chevytrucks.com/vboard/s...d.php?t=358692 1968 SWB - http://67-72chevytrucks.com/vboard/s...d.php?t=551258 1948 Chevy - http://67-72chevytrucks.com/vboard/s...=122164&page=3 |
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#7 | |
Senior Member
![]() Join Date: Mar 2000
Location: Saskatoon,SK,Canada
Posts: 2,476
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Re: Bolts for shoulder belts?
Quote:
For a 67-72 Chev Truck Ford has a really nice seat belt bolt that looks about right. It's a part number 386277S437M. I never actually fully installed a belt in a 67-72 truck with one but I've tested the bolt and an upper tether and it looked real good. Different belts may have different reqirements.
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Saskatoon, Saskatchewan Canada |
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#8 |
Account Suspended
Join Date: Jan 2007
Location: Tucson
Posts: 2,183
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Re: Bolts for shoulder belts?
This is not a place to cut corners on hardware. The bolt for the upper point needs to be a shoulder bolt too prevent capturing the upper harness mount which must be free to rotate. If it doesn't your neck gets sliced open by the belt.
The correct bolt is available from Juliano's hot rod shop for $6.00. Yeah, six bucks for a single freakin 7/16 NF bolt...but it could save you a very serious injury. |
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#9 |
Senior Member
![]() Join Date: Mar 2000
Location: Saskatoon,SK,Canada
Posts: 2,476
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Re: Bolts for shoulder belts?
You missed where I stated with washers and shims. You are correct the function of a shoulder bolt must be maintained so that the upper tether can rotate. The hole in a tether is sufficiently large that a sleeve would need to be used over the bolt to bring it up to size. A sufficiently large heavy washer would also need to be used as the hole size in the tether would be too large for a normal 7/16 fasteners head. In the end you would have created your own shoulder bolt and yes it is better to buy one.
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Saskatoon, Saskatchewan Canada |
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#10 |
Registered User
Join Date: Jan 2006
Location: Take Off
Posts: 1,908
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Re: Bolts for shoulder belts?
I heard of a seatbelt cutting through a guy's chest in an accident. Killed him. Use the correct hardware if possible.
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#11 |
Senior Member
![]() Join Date: Mar 2000
Location: Saskatoon,SK,Canada
Posts: 2,476
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Re: Bolts for shoulder belts?
Funny I do this for a living. I'll watch guys post on here all day long about putting new style integrated belt seats in these trucks with little regard for the fact they will rip through the floor without significant floor reinforcing and when I've commented on it it hasn't been recieved well. Yet about a bolt where there is some lattitude on what can be used everybody is all anal about it. Go figure. A good grade 5 7/16NF bolt, a heavy washer (1/4' thick), a spacer bushing of about a half inch for a shoulder and you are good to go if you can't find a oem shoulder bolt but oem ones are pretty easy to find. The length required for a particular application can not alway be found so making one up from components is sometimes a reasonable alternative.
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Saskatoon, Saskatchewan Canada |
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#12 |
Registered User
![]() Join Date: Apr 2010
Location: Virginia Beach, VA
Posts: 23
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Re: Bolts for shoulder belts?
The truck i just picked up just has lap belts. Is there a conversion kit available to make it so that there is a shoulder harness? Is it hard to retro fit?
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#13 |
SWB 4x4 Collector
![]() Join Date: Jun 2001
Location: Osage City, KS
Posts: 5,153
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Re: Bolts for shoulder belts?
I could get you a pic of original shoulder harness belt bolts if you need a reference. Trevor
cloudbrk, to answer your question, no it is not really hard to retrofit newer seat belts into our trucks. I heard the late 80's-early 90's S10 seatbelts can be made to fit. Shoulder Harness belts could have been found on these trucks, but they are very rare to see. Trevor
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#14 |
Registered User
![]() Join Date: Sep 2009
Location: Lubbock Texas
Posts: 1,049
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Re: Bolts for shoulder belts?
Obviously you have several options. I you want it to be original and correct use the regular seat belt bolts from a 67. They are exactly the same as the shoulder harness bolt with the exception the 67's are slightly longer. Jason figured all of this out..I always say he is smarter than a white rat. If you can not find them, let us know and we will send you a coulpe no charge.
Hope that helps Paul and Jason
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You can shear a sheep every year, but you can only skin it once The person dealing with facts is never at the mercy of the person dealing with theory 1972 Cheyenne Super 402 400 A/c bucket seat tilt custom camper Longhorn 1975 Silverado 454 Crew cab camper special dually Last edited by Duncan and son; 05-02-2010 at 07:22 PM. |
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