Magic fufu is supposedly even _more_ efficient than R12, but it stops
condensing at a slightly lower temperature and so can't handle very hot
conditions. Such as, perhaps, what you see at the condenser when it's
stuck in traffic?
On Sat, Oct 15, 2016 at 7:34 AM, Dan Penoff via Mercedes <
> It’s these guy’s stuff:
> I used the "Industrial 12a” product.
> > On Oct 15, 2016, at 10:30 AM, Curley McLain via Mercedes <
> email@example.com> wrote:
> > Is this Jim's Majik fufu, or a name brand mix? If branded, what brand
> is it?
> >> Dan Penoff via Mercedes <mailto:firstname.lastname@example.org>
> >> October 15, 2016 at 9:25 AM
> >> Just as a point of reference, I’ve now been running hydrocarbon
> refrigerant in the 90 350SDL for 3-4l months. It’s been working great, with
> the exception of temperature rise when at idle which was an issue even for
> R134a. I suspect that’s due to the inefficiency of the condenser since it
> is sized for R12.
> >> I routinely see vent temperatures in the mid 40F range at speed with a
> 90F ambient (or higher.) When I come to a stop the vent temperature might
> rise into the 60s. No change in efficiency since I initially charged the
> system, so it doesn’t appear to be leaking out or losing charge over time.
> >> Dan
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