Mine go as far past 90 as I want them to.  On both the 87 syncro and 84
2wd.  Hmmm.  Seems odd to have a stop there, the point IMO is to scoop tons
of air and hurl it into the van.  They stay open way past 90 degrees until I
hit about 45-50 MPH.

Brendan

On Wed, Jul 15, 2009 at 2:38 PM, David Beierl <dbeierl@attglobal.net> wrote:

> I'm sorry to say that I just spent an unimproving hour and a half
> establishing that it is in practical terms impossible to remove the
> bump on the lower pivot that prevents it opening more than 90
> degrees.  Unless you're willing to make a hole in the outer door
> skin.  I seriously believe that they must have installed the
> quarter-windows before the outer skin went on the door.  With a
> phillips-head screw.  Facing out.  With a piece of sheet metal 3/16"
> outside it, which I think is the upper fold of the door skin.  And a
> similar piece about the same distance inside, too.
>
> The pivot is clamped by a strip of thick sheet metal with a slot in
> the middle that is half the pivot circumference in length or
> less.  This is folded from back to front around the pivot and clamped
> together with a screw that also attaches the assembly to a tab on the
> door.  The pivot has a bump on the shaft that runs in the
> slot.  There's not enough access to get even a flex-shaft Dremel up
> there to grind down the bump, and it prevents the pivot being removed
> as well as being turned.  All right, I lied.  I *did* get a
> flex-shaft Dremel up there, by making a slit in the lower moisture
> barrier and passing the shaft up from there.  And if I'd been willing
> to spend half an hour trying to make that nib dissapear maybe I could
> have.  Five minutes sure didn't do it.  Ok, when I get my gumption
> back I'll go in there and walk a worn-out cutoff wheel up and down it
> (there's only about half an inch width of access there between the
> two strips of sheet metal).  Maybe.  I really really really want to
> open that window so it hurls air at me, 'cause I haven't got air
> conditioning.
>
> It's easy enough to adjust the tension, because you can grasp the
> sides of the screw head with nice sharp needlenose pliers and turn it
> a sixteenth turn at a time or so.
>
> I think this came from the same keep-em-guessing department that did
> some of the cooling hoses...for total frustration with ten cents
> worth of hardware, this has the hoses beat all hollow.
>
> [/rant]
>
>  --
> David Beierl - Providence RI USA -- http://pws.prserv.net/synergy/Vanagon/
> '89 Po' White Star "Scamp"
>