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11-03-2025, 09:29 PM
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#1 |
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Registered User
Join Date: Aug 2013
Location: Camden, Arkansas
Posts: 1,000
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GM Key Blanks
My Dad’s 87 GMC had two sets of keys from the factory. My wife drove the truck yesterday and bent one ignition key, which was the main one Dad had been using all this time. It was thin. I want another ignition key that’s a GM blank. I see they’re readily available on eBay.
My question is does it matter which blank? The ones we have are silver. The keys we had for the 90 GMC we had were black. Can I buy a wrong blank?
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GoTennTitans 1987 GMC Sierra 1990 GMC Sierra (stolen) 2003 Chevy Silverado |
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11-04-2025, 08:38 AM
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#2 |
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Registered User
Join Date: Dec 2004
Location: Highland, IN
Posts: 2,353
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Re: GM Key Blanks
Look close at your key, there should be a small letter stamped in the key, that is you blank you want to buy, they have different patterns. At least that is the way for my 79
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Chris _______________________________ 1979 Chevy Stepside SPORT 2018 Chevy Silverado, 39 years apart  My build 2008-2016. http://m.imgur.com/a/bURrE |
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11-04-2025, 10:56 AM
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#3 |
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Registered User
Join Date: Aug 2013
Location: Camden, Arkansas
Posts: 1,000
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Re: GM Key Blanks
Thank you. It does have a small “C” stamped on it. The door key has a “D” stamped on it.
Now I know.
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GoTennTitans 1987 GMC Sierra 1990 GMC Sierra (stolen) 2003 Chevy Silverado |
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11-04-2025, 11:51 AM
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#4 |
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Registered User
Join Date: Apr 2007
Location: Birmingham AL
Posts: 302
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Re: GM Key Blanks
I used to be able to walk into a GM dealership and have them cut a new key cut with a key cutter. Factory keys are punched out using a key cutter instead of using a key grinder.
Don't know if GM dealerships still cut keys like they used to, A key cutter makes a much smoother cut so it does not wear out the lock tumblers like a ground key.
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Stock 75 C10 step side. 350 2 BBL, 350 trans. 150K miles. |
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11-04-2025, 01:34 PM
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#5 |
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Registered User
Join Date: Apr 2012
Location: Otway OH
Posts: 813
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Re: GM Key Blanks
You could message member LockDoc I've bought blanks off him before.
https://www.67-72chevytrucks.com/vbo...d.php?t=707855 |
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11-04-2025, 01:43 PM
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#6 |
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Registered User
Join Date: May 2009
Location: Motor City
Posts: 9,490
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Re: GM Key Blanks
Silver is correct for '87.
K
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Chevrolet Flint Assembly 1979-1986 GM Full Size Truck Engineering 1986 - 2019 Intro from an Old Assembly Guy: http://67-72chevytrucks.com/vboard/s...d.php?t=342926 My Pontiac story: http://forums.maxperformanceinc.com/...d.php?t=560524 Chevelle intro: http://www.superchevy.com/features/s...hevy-chevelle/ |
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11-04-2025, 02:07 PM
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#7 | |
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Senior Member
 
Join Date: Dec 2009
Location: TN.
Posts: 9,870
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Re: GM Key Blanks
Quote:
LockDoc is a Great person to do business with. 
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________________________________________________________________________________________ ____________________________________________ The early bird gets the worm, But the second mouse gets the cheese 85 Chevy K-20 63 Impala (my high school car) http://67-72chevytrucks.com/vboard/s...Crew Cab Build |
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11-04-2025, 02:46 PM
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#8 |
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Registered User
Join Date: Aug 2013
Location: Camden, Arkansas
Posts: 1,000
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Re: GM Key Blanks
Thanks to all of you.
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GoTennTitans 1987 GMC Sierra 1990 GMC Sierra (stolen) 2003 Chevy Silverado |
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