1969 Mustang door window conversion to 1970 - Ford Mustang Forum
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post #1 of 2 (permalink) Old 10-13-2019 Thread Starter
murphsmustangs's Avatar
Joined: Oct 2019
Posts: 1
1969 Mustang door window conversion to 1970

I have a 69 Mustang fastback that I have done a window conversion from glue on windows to bolt on and have done the driver side door. I have purchased new aftermarket glass and the 1970 regulators
And I am having a problem with the top of the door glass setting in too far and preventing me from shutting the door. I have adjusted the window guides at the bottom in towards the car as far as they will go and they are still in to far at the top. I have also shim the top door hinge out at least 3/16 of an inch. Anybody have any other ideas because I am stumped?

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post #2 of 2 (permalink) Old 4 Weeks Ago
mcc351's Avatar
Joined: May 2010
Location: Bridgewater
Posts: 196
The only thing I can think of... did you also replace the side vent glass? The trim piece moved from the door glass (69) to the side vent glass. As a result the door glass got 1/4” longer (+/-) and the vent glass got shorter to receive the trim. If you didn’t switch all of this over, it may be misaligned and causing the glass to slip out of alignment.
I have a 69 Mach 1 and I’m considering doing this so I’m curious to know where you got your parts from and what needed to be replaced. The previous owner did the 70 conversion on the passenger side only and it doesn’t close properly... it’s a mess so my windows are always down.

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