Kurt I have my original 68's mirror on a storage shelf. It would loose it's position setting at about 80-85 in third grear, so I bought a new larger viewing area one years ago from GM. They are easy enough to change out if needed.
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Re: Outside Mirror Question 1968
Jim,
I noticed that mine moves downward at higher speeds as well.
Must be GM's attempt at slowing us down. (Ain't gonna happen)
Kurt -
Re: Outside Mirror Question 1968
Behind the mirror glass, there's a pressure plate with a hole in it that admits the swivel ball. The pressure plate is held in place to the housing by preened over shafts that are part of the housing's pot metal.
Over the years, these 'rivets' (preened over shafts) can loosen allowing the plate to move rearward with respect to the swivel ball and the mirror 'droops' due to insufficient interference fit tension. The swivel ball can also wear relative to the tensioning plate giving you the same situation.
Sometimes, you can fix this problem by removing the glass (dissolved the RTV holding the glass inside the housing by soaking in lacquer thinner) and re-ressng the rivet/studs to take up the slack. But, a fresh new mirror assy should hold its position without 'drooping' at any highway speed...Comment
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Re: Outside Mirror Question 1968
No. What the General is telling you, when going 80-85 mph, like the old rock song sez "Don't Look Back...Don't Look Back".Comment
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