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Old 05-22-2018, 02:05 PM   #9
LockDoc
The Older Generation


 
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Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,354
Re: 71 Chevy key questions

Quote:
Originally Posted by bry593 View Post
It's also stamped on the ignition switch tumbler.

Fun fact, back in the day, GM only used about 10 different codes. A thief with a ring full of keys could steal any GM vehicle in short order.

Someone has misinformed you. For all GM vehicles from 1935 through 1966 there were 1499 different keys. For 1967 up there were about the same except that there were 4 different ignition keyways ("A", "C", "E", & "J") which effectively gave 5996 different keys for the ignitions.

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