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#1
07-22-2025, 05:05 PM
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Side Mirror Date Code
Hi, if possible I'm looking for pictures of how the date code should look on a standard outside mirror on an Arlington built (if that matters) 1970 GTO Judge? I"ve seen some that say DMI and others DCA with R in a circle. Were there a couple manufactures of the mirrors at that time? Thanks
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#2
07-31-2025, 07:54 PM
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I looked at my 69 Arlington built June GTO and no date code at all. A) they didnt code them in 69 B) its a replaced mirror.
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#3
08-01-2025, 02:05 PM
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My understanding is that factory parts ALWAYS had dates;
As far as I am aware, even GM replacement parts still had date codes. It might not be an A-body part, but in my quest for date coded mirrors for my car, I came across many later 1970's dated NOS mirrors for F-bodies (still complete and in the box). I have always understood that mirrors without dates were aftermarket replacements. I believe there is a web page that a Yenko(?) guy created to disseminate GM glass & mirrors.
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1970 Formula 400 Carousel Red paint on Black standard interior A no-engine, no-transmission, no-wheel option car. Quite likely one of few '70 Muncie three speed Formula 400's left. 1991 Grand Am: 14.4 @ 93.7mph (DA corrected) (retired DD, stock appearing) 2009 Cobalt SS: 13.9 @ 103mph (current DD; makes something north of 300hp & 350ft/lbs) |
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#4
08-01-2025, 03:50 PM
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I haven't seen any DCA marked mirrors, only the ones shown attached. Anyone know the company JC stands for?
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#5
08-01-2025, 04:26 PM
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oh!
I should maybe add this: I have a Mopar mirror here - I cannot recall the application right now, but believe it's a 1966 date code; It reads: 5-DMI-6
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1970 Formula 400 Carousel Red paint on Black standard interior A no-engine, no-transmission, no-wheel option car. Quite likely one of few '70 Muncie three speed Formula 400's left. 1991 Grand Am: 14.4 @ 93.7mph (DA corrected) (retired DD, stock appearing) 2009 Cobalt SS: 13.9 @ 103mph (current DD; makes something north of 300hp & 350ft/lbs) |
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#6
08-02-2025, 04:18 PM
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Quote:
This is what I have on my 9C Arlington built Judge. If anyone knows the date code, please let me know. I have no clue… |
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#7
08-02-2025, 11:33 PM
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12-DMI-1
December - 1971 an early life replacement.
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1970 Formula 400 Carousel Red paint on Black standard interior A no-engine, no-transmission, no-wheel option car. Quite likely one of few '70 Muncie three speed Formula 400's left. 1991 Grand Am: 14.4 @ 93.7mph (DA corrected) (retired DD, stock appearing) 2009 Cobalt SS: 13.9 @ 103mph (current DD; makes something north of 300hp & 350ft/lbs) |
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#8
08-03-2025, 12:03 AM
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Quote:
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#9
08-03-2025, 11:04 AM
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JC may be west coast, like rim manufacturers are [N(T) vs. K].
Or, Canadian. gto4ben, what is your build plant?
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So long, farewell. |
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#10
08-03-2025, 01:05 PM
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gto4ben, what is your build plant?
Fremont |
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#11
08-03-2025, 03:31 PM
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My 68 GTO (Fremont 05A) original remote mirror is dated 11-DMI-7
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Ed 1968 GTO (Thanks Mom) 2006 Silverado 2015 Chevy Express  2024 Cadillac LYRIQ 
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#12
08-06-2025, 08:01 PM
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Quote:
My 10D Fremont built 1970 GTO remote mirror is dated 7 JC 9.
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So long, farewell. |
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#13
08-06-2025, 09:47 PM
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By these post’s (and the date spreads on the parts), I am guessing that remote mirror’s weren’t a common option.
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1970 Formula 400 Carousel Red paint on Black standard interior A no-engine, no-transmission, no-wheel option car. Quite likely one of few '70 Muncie three speed Formula 400's left. 1991 Grand Am: 14.4 @ 93.7mph (DA corrected) (retired DD, stock appearing) 2009 Cobalt SS: 13.9 @ 103mph (current DD; makes something north of 300hp & 350ft/lbs) |
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#14
09-03-2025, 12:12 PM
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Looking at my 69 GTO PHS collection (almost 1,250) the 42- remote mirror is at about a 45% take rate. It was also part of the option load on all the pattern judges
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My Break Away Squad 1969 Fbird (base OHC, 350, 400HO & Sprint Cvt’s - 400HO & TA ht’s) 1969 Custom S 2dr ht 1969 LeMans (2dr & 4dr ht & Cvt) 1969 LeMans Safari wagon 1969 GTO (2 Cvt, 2 ht & Judge ht) 1969 Cat (3 Cvt’s & a 2dr ht) 1969 Ventura wagon 2 seat 1969 Exec 4dr post 1969 2 Bonnie Cvt's & 2 wagons 1969 Bonnie Brougham (4dr ht & Cvt) 1969 Grand Prix 2 SJ’s 1969 2+2 2dr ht (Canadian) |
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#15
09-18-2025, 05:05 PM
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1966 GTO Unrestored Survivor
Fremont built standard outside rear view mirror (Dated Dec. 1965).
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#16
09-18-2025, 05:09 PM
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1965 GTO Unrestored Survivor
Baltimore built remote outside rear view mirror (Early design remote, No date).
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