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Question on door mirror openings

Hoping to get an answer to my question on door mirror openings holes on the actual door.

I have a 1974 that I'm returning to her factory external appearance but have later doors from an 86 that I will be using. My car had the naked metal style early mirrors whereas the doors I'm using would've originally come with flag mirrors.

Are the holes on the door to mount mirrors the same across all the years, or do they vary from year-to-year based on the mirrors that came in their respective model years?

Thanks!
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Tom, SoCal
1967 912 (now w/ 50% few random holes in it)
911 w/ 3.2
1974 914 (3.2L swap underway)
1984 928s (S4 engine and suspension), 1987 928S4
Old 03-13-2018, 01:23 PM
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Good morning.

To be more specific I am trying to determine if this mirror (which I want to use);

https://www.pelicanparts.com/More_Info/91173101410.htm?pn=911-731-014-10-OEM&gclid=Cj0KCQjwkKPVBRDtARIsAA2CG6GPaucHDEPp5FeF9JRy 4CpZRmEaeuFY0X3jOLFTsB9Uc6ZdTvYcICQaAhtlEALw_wcB

Will work with factory mirror mounting holes on an SC or later door?
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Tom, SoCal
1967 912 (now w/ 50% few random holes in it)
911 w/ 3.2
1974 914 (3.2L swap underway)
1984 928s (S4 engine and suspension), 1987 928S4
Old 03-14-2018, 04:39 AM
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I’m going to say no.
Seems recall tells me the manual mirrors had access holes way forward on the inner skin under the forward curve from the cowl.
Bruce
Old 03-14-2018, 04:52 AM
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The answer is no. On the 86 doors you have there will be 3 or more holes (larger hole for wiring to power mirror), all of which will be larger than the size you will need.
You will have to drill some new holes and possible fill in the ones that are there.
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Last edited by lsf911; 03-14-2018 at 05:10 AM..
Old 03-14-2018, 04:59 AM
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Thanks gentlemen, look like I need to order the mirrors I want and then custom fit them.

Appreciate the info.
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Tom, SoCal
1967 912 (now w/ 50% few random holes in it)
911 w/ 3.2
1974 914 (3.2L swap underway)
1984 928s (S4 engine and suspension), 1987 928S4
Old 03-14-2018, 05:29 AM
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The information you have received is correct regarding the mirror holes. Additionally, the 74 mirror will mount further forward on the "dog-leg" of the driver's door. If you're going to add a passenger side mirror, the location will be more rearward and higher, much like shown in the picture posted by Isf911, except you will have to fill in the flag mirror holes and re-drill for the two bolts of the 74 mirror.

Driver side


Passenger side, correctly located
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Last edited by ossiblue; 03-14-2018 at 06:42 AM..
Old 03-14-2018, 06:37 AM
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Very helpful -thank you
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Tom, SoCal
1967 912 (now w/ 50% few random holes in it)
911 w/ 3.2
1974 914 (3.2L swap underway)
1984 928s (S4 engine and suspension), 1987 928S4
Old 03-14-2018, 06:52 AM
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The top three holes plus the rear bottom hole on each side get filled in:









Hope this helps.
Cheers,
Johan
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Old 03-14-2018, 07:16 AM
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Fantastic!

Thanks.
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Tom, SoCal
1967 912 (now w/ 50% few random holes in it)
911 w/ 3.2
1974 914 (3.2L swap underway)
1984 928s (S4 engine and suspension), 1987 928S4
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Wait - The openings are asymmetrical?

From the pictures above the driver side has one larger hole opened still on the top but the passenger side does not. Is that correct?
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Tom, SoCal
1967 912 (now w/ 50% few random holes in it)
911 w/ 3.2
1974 914 (3.2L swap underway)
1984 928s (S4 engine and suspension), 1987 928S4
Old 03-14-2018, 08:58 AM
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Quote:
Originally Posted by tdskip View Post
Wait - The openings are asymmetrical?

From the pictures above the driver side has one larger hole opened still on the top but the passenger side does not. Is that correct?
Good question. As I recall, the size of the holes do not matter if you use the backing plates from the old mirrors. You will probably need longer screws and you will curse allot getting them in. Small hands and patience will help. Make sure you tighten the mirror adjustment screw quite tight because it is almost impossible the tighten after installation.
Johan
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Last edited by Uwon; 03-14-2018 at 11:20 AM..
Old 03-14-2018, 11:15 AM
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