It's not a set temp but the difference between the incoming and
outgoing air.

I seem to remember that R12 was about 30-35 degrees and 134a was about
20 degrees or so? But, alas, the real numbers, along with much else,
seem to have departed my memory.

Mike

On Aug 1, 2011, at 8:28 PM, Gregg Carlen wrote:

> Hey folks,
> Just got my AC back in service recently in my 90 Westy (converted to
> 134a). I know that cooling the interior of our vans was always a
> challenge, but seems like mine isn't where it should be.
>
> With my laser temp gun pointed at the blower vents, I'm getting 70
> degrees coming out. Seems kinda high to me. Anyone know what the
> correct temp SHOULD be (keeping in mind this is now running 134a)?
>
> Thanks,
> Gregg
> (warm) 90 Westy
>
> Sent from my mobile device