k1cajun wrote:

> Anyway, what I noticed is that at the rear inside bottoms of the
> front doors, where the 89 has what seems to be dummy louver vents,
> the 87 has what seems to be functional vents - they have a little
> sliding handle.

This is for venting out the interior, the 88-91 models got the plastic
vent inserts in the rear windows instead.

>  The 89 has these ducts holes that go from front of
> door to back and then a hole in the door frame - I never knew why
> they were there, but assumed they were something to duct fresh air to
> engine compartment for combustion along with the ducts at the upper
> rear.

The duct inside the door is for bringing fresh air to the roof vents.

> But it seems as though the 87 also ducts the same air to the
> cabin at driver and passenger's hips ??

No, they are separate. The vent in the door is for venting out the
interior (holes are in the door gap up front, a vacuum is formed when the
car gets up to speed) while the duct goes sligthly above the grille.

PerL
87 Syncro 112i