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02-09-2012, 07:25 PM
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#1 |
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Registered User
 
Join Date: Jan 2002
Location: WATAUGA,TX
Posts: 660
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Hood Pins
I have three pins on my 78 Jimmy that I assume are to hold the back of the hood in place so it doesn't flex. One on the firewall in the center and one on each side behind the hinges. Are these 4x4 only and what muonts to the hood to mate up to them. When my son got into an accident he replaced the hood with one that came off of a 2wd truck. Am I missing something?
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72 2wd 307/AT/AC/TILT WHEEL 78 JIMMY HIGH SIERRA |
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02-09-2012, 09:55 PM
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#2 |
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Registered User
Join Date: Nov 2010
Location: Windsor Locks
Posts: 628
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Re: Hood Piins
I think there are just slots in the hood that the pins are supposed to catch in an accident, supposed to keep the hood from going through the windshield. I highly doubt the hood is any different between a 2 wheels and 4 wheel.
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02-09-2012, 11:30 PM
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#3 |
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Registered User
Join Date: Jan 2002
Location: WATAUGA,TX
Posts: 660
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Re: Hood Piins
There are two holes on the hood I have, one behind each hinge that the pin fit into. Pretty sloppy though. Can't see how that would prevnt the hood from going any place. Still doesn't explain the one in the middle. There is not any kind of hole for the pin to go into.
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72 2wd 307/AT/AC/TILT WHEEL 78 JIMMY HIGH SIERRA |
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02-10-2012, 01:12 AM
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#4 |
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Happy to be here
 
Join Date: Mar 2000
Location: Cypress, TX
Posts: 39,023
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Re: Hood Piins
That center pin was brought out in 78 and was not specific to 4wd. It was designed to prevent the hood from coming up in the rear on impact. I "think" it was a one year only item.
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Follow me on Facebook and Instagram @N2trux.com Articles- "Jake" the 84 to 74 crewcab "Elwood" the77_Remix 85 GMC Sierra "Scarlett" "Refining Sierra" |
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02-10-2012, 02:19 AM
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#5 |
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78K & 79C Jimmys
Join Date: Nov 2009
Location: Ottawa Ont CANADA
Posts: 7,901
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Re: Hood Piins
my 78 has it
my 79 can't see the middle but it has the side bolt and the 79 "green machine" does told it was for anti-decapitation 81 blazer nope
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John 1978 GMCJimmy4X4-350/203 1979 GMCJimmy4X2-305/350 |
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02-10-2012, 08:27 AM
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#6 |
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Registered User
Join Date: Jan 2002
Location: WATAUGA,TX
Posts: 660
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Re: Hood Piins
Hood must be be pre 78. There is no center hole. Guess I won't put that center bracket back on.
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72 2wd 307/AT/AC/TILT WHEEL 78 JIMMY HIGH SIERRA |
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02-10-2012, 09:23 AM
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#7 |
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Registered User
Join Date: Sep 2010
Location: Marble Falls, TX
Posts: 1,575
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Re: Hood Piins
My 77 does not have it. Guess I need to hope that the two sides will keep my head on me during a front end collision.
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Michael Re-starting the neglected '77...http://67-72chevytrucks.com/vboard/s...=425464&page=9 |
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02-10-2012, 10:34 AM
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#8 |
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Registered User
Join Date: Feb 2007
Location: Austin, TX
Posts: 3,930
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Re: Hood Piins
It seems like they designed these hoods so they could buckle and fold up easily in a front end impact, I've seen so many that are bent due to poorly maintained hinges.
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1977 GMC Sierra Grande |
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02-10-2012, 10:47 AM
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#9 | |
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Registered User
Join Date: Sep 2010
Location: Marble Falls, TX
Posts: 1,575
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Re: Hood Piins
Quote:
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Michael Re-starting the neglected '77...http://67-72chevytrucks.com/vboard/s...=425464&page=9 |
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02-10-2012, 09:25 PM
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#10 |
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Registered User
Join Date: Jan 2002
Location: WATAUGA,TX
Posts: 660
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Re: Hood Piins
Not one of GMs better designs.
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