DATE STAMP!!!! That worked. Hey, go easy on me; I'm just finding out about
part numbers.

It's a 90. or rather was made in 90. Oval heater holes, a round outlet on
each side is plugged. How much trouble is this going to be on an 86?

Jim

On Thu, Dec 5, 2013 at 12:36 PM, mark drillock <mdrillock@cox.net> wrote:

> You could just look at it for the molded in manufacturing date code like
> the one Neil linked to. It will have the calender year stamped into the
> center of a ring of dots. Look on the top section in the area that would be
> beneath the ashtray.
>
> The side vent version can be easily determined from looking at the side
> hose holes. A 2.5" round hole near the cold air intake for 82-86 boxes, for
> cold air dash end vents. Oval side hose hole near the dash face for 87-91
> with heated air available at the dash air vents. (early still 87 had the
> older round cold setup, most 87 have the newer)
>
> Many later boxes had bot sets of large side holes but one set is plugged.
>
> Mark
>
> Jim Felder wrote:
>
>> ...............
>>
>> It could be from an 86 I bought parted out, my old 1990 Carat, or my
>> daughter's 1991 GL that had a bad motor and I swapped the good one out of
>> this into it (I think).
>>
>> I have gotten some pretty good tips on whether it will work or not in an
>> 86, I just need to follow up on the replies I received and figure it out.
>> It's going in one of John Rodger's vans, and by the time it is done he
>> will
>> know where I live, so it has to be right!
>>
>> Jim
>>
>>
>>