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08-17-2017, 03:14 PM
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#1 |
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Registered User
Join Date: Jul 2008
Location: Eastern Oregon
Posts: 2,255
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GMC Hood Letters "HELP" !
I posted a request last week on removing the GMC letters on my 71 but no response ? Can someone Please tell me the size nut holding the letters in place ? I bought a set of deep well 1/4 in sockets and not one fit ?
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71 C-20 07 Magnum RT AWD |
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08-17-2017, 03:36 PM
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#2 |
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Senior Member
 
Join Date: May 2010
Location: Wisconsin & Arizona
Posts: 4,839
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Re: GMC Hood Letters "HELP" !
That's strange. My '69 Chevy requires a 3/8" socket. Is it possible someone used metric nuts?
Last edited by FirstOwner69; 08-17-2017 at 03:42 PM. |
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08-17-2017, 04:00 PM
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#3 |
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Moderator
 
Join Date: Jun 2017
Location: Cherryville, NC
Posts: 2,155
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Re: GMC Hood Letters "HELP" !
Look up inside the hole in the back panel of the front of the hood...dont be surprised if there are no nuts there...I have seen these letters glued back on several times...
The nuts if they are there are either 3/8 or 5/16...10mm or 8mm for you metric lot... 
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08-17-2017, 04:35 PM
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#4 |
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Registered User
Join Date: Oct 2014
Location: Mesa AZ (Near Phoenix)
Posts: 2,302
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Re: GMC Hood Letters "HELP" !
I thought they were 11/32"
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"Life is too short to drive a boring vehicle". Later, Wayne 
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08-17-2017, 04:47 PM
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#5 |
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Senior Member
 
Join Date: Oct 2015
Location: Brownsburg, IN
Posts: 1,072
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Re: GMC Hood Letters "HELP" !
I believe my truck had 3/8 nuts. They were the small hat shaped nuts that a socket sometimes has a hard time sitting down on, or a wrench also.
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1972 Blazer Highlander 1971 GMC K1500 SWB (sold) |
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08-17-2017, 05:20 PM
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#6 |
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Moderator
Join Date: Jun 2017
Location: Cherryville, NC
Posts: 2,155
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Re: GMC Hood Letters "HELP" !
These hat nuts are a variety of sizes...3/8, 11/32, 5/16, 1/4...even found some as small as 3/16...
Bobs Chevy actually lists the 3/16 online... http://www.bobschevytrucks.com/1947-...8-gm316-8.html You should be able to look up into the back plate hole and see the hat nut.... If there are no nuts, the letters have most likely been glued on... |
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08-17-2017, 05:34 PM
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#7 |
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Registered User
Join Date: Aug 2016
Location: Lake Forest, CA
Posts: 2,177
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Re: GMC Hood Letters "HELP" !
Its hard to image not already having a tool for every situation...
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"Work hard, use your vacation days." 1970 C15 GMC Long Bed 1986 C20 Scottsdale 1983 K2500 Sierra Classic Suburban 6.2 Instagram: C10sofOC |
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08-17-2017, 05:58 PM
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#8 |
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Moderator
Join Date: Jun 2017
Location: Cherryville, NC
Posts: 2,155
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Re: GMC Hood Letters "HELP" !
So true, so true...
My wife thinks I have shares in most tool suppliers and big box hardware stores... Calls my little shed "our own big box store"... If you need the tool, ya need it...
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08-17-2017, 11:41 PM
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#9 |
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Registered User
Join Date: Jul 2009
Location: Space Coast, Fl.
Posts: 1,050
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Re: GMC Hood Letters "HELP" !
I remembered your post and before I came in from the shop a few min. ago I verified that my '71 GMC has 3/8" PAL nuts on the letters.....
no tellin' what else I forgot today though.
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Dad always said, "Son, WISH IN ONE HAND, and ......." -------------------------------------- -------------------------------------- Current toy trucks: '71 GMC 1500 SUPER CUSTOM short/step, orig. dk. blue, 350/700r, ps,pb, A/C '72 Blazer 2wd, ochre & white, 454, tremecTKO 500 5spd. ps, pb, A/C, tilt Last 10yrs of hobby vehicles, had a FEW more in the 50yrs. before these: '66 Plymouth Belvedere City of Miami cop car clone. '70 Nova 406"sb, 13.5-1, solid roller, Brodix, p.glide/t.brake, back halved, 9" Ford, spool 4.88, cage,ladder bar/coilover, 10.5 tire....... SOLD!! '67 C10 short/step side mount spare -- SOLD!! '72 Jimmy 2wd, 350/350, ps, pb, fun driver, lots of bondo & a shiny red paint job..... SOLD!! '69 Nova 350, 4spd, A/C, ps, p.b, ...SOLD!! |
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08-18-2017, 12:00 AM
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#10 |
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Post Whore
Join Date: Feb 2016
Location: Portland Oregon
Posts: 10,804
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Re: GMC Hood Letters "HELP" !
The one letter that was still on my GMC hood was held on with speed nuts. Those miserable little stamped steel nuts that round off if you sneeze too close. Six point sockets are a must for them. If someone has messed with them in the past it could have metric ones on them. I have also ran across where back in the day it was common for a body shop to hold emblems on just with some globs of bondo instead of nuts. The people who did that on emblems only seem to have done it on emblems that are impossible to see the back of. Those people seem to be unaware there is a special place in hell for them.
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Thanks to Bob and Jeanie and everyone else at Superior Performance for all their great help.  RIP Bob Parks. 1967 Burban the WMB,1991 S(stink)-10 Blazer,1969 GTO, 1970 Javelin, 1952 F2 Ford 4X4, 29 Model A, 72 Firebird. 85 Alfa Romeo If it breaks I didn't want it in the first place The WMB repair thread http://67-72chevytrucks.com/vboard/s...d.php?t=698377 |
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08-18-2017, 11:37 AM
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#11 |
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Registered User
Join Date: Jul 2008
Location: Eastern Oregon
Posts: 2,255
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Re: GMC Hood Letters "HELP" !
Thanks guys ! Removing these little SOB's is a real pain in the you know what ! The 1/4 in sockets I bought are not six point but not twelve point either ? Made in Taiwan , go figure....
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71 C-20 07 Magnum RT AWD |
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08-20-2017, 12:41 PM
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#12 |
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Registered User
Join Date: Jul 2008
Location: Eastern Oregon
Posts: 2,255
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Re: GMC Hood Letters "HELP" !
Solved ! 3/8th deep well socket, 1/4 in drive plus swivel, patience, contortions, time = success !
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71 C-20 07 Magnum RT AWD |
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08-20-2017, 11:55 PM
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#13 |
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Registered User
Join Date: Dec 2009
Location: El Dorado Ca
Posts: 3,374
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Re: GMC Hood Letters "HELP" !
definitely 3/8" nuts
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