Recently I asked Penrite about oils and how quite a few VW owners in Aust
use Diesel Oil for their AC VW,s. What surprised me is they took some effort
for a long reply
and also in particular I thoughts comments re Diesel Oil interesting. As an
aside I dropped into the the hardware store again and saw that Briggs and
Stratton Monograde 30
is SG/CF rated!. Comments from Penright are below.
Cheers
J


Based on your enquiry regarding your VW:

Oils to meet modern VW specifications certainly contain less phosphorus and
zinc than traditional oils from the 1970s. However, the modern oils won't be
SAE 20W-60, more like 5W-30 (such as our Enviro+5W-30 , which is actually
approved to VW504.00/507.00). More modern diesel oils, but not the very
latest or those targeting diesel particulate filters, generally have a
petrol rating that is just a few years behind their diesel rating. This
makes them perfectly suited for older petrol engines. They are a better
option than mainstream petrol oils if you are running on LPG, which
generates more acid than petrol does when burned, or if you have a
hot-running engine, like the Boxer Porsche-designed air-cooled engine in
your VW.

Please have a look at the little list of zinc levels I've typed below as
HPR30 has just been changed.

A multigrade oil is perfectly fine -we even have multigrade oils designed
for such vehicles as the Model T Ford. SAE 20W-60 stands in for a straight
30 -which explains the name "HPR30" for our (traditional) mineral oil at SAE
20W-60. This is one of the oils recommended in our online guide for your
Type 3.

If you feel that you can get away with oil at SAE 15W-50 then the diesel oil
option is HPR Diesel 15 (SAE 15W-50, semi synthetic). The diesel oil closest
to HPR 30 is HPR Diesel (SAE 20W-60, mineral). In the information for HPR
Diesel you'll see "API CH-4/SJ". The "S" refers to spark ignition engines ie
those built for running on petrol (or LPG). The letter that follows it
refers to how recently the specification came out: "SJ" is before "SL" or
"SM" and the latest one is "SN".

Zinc level examples:
HPR30>was at 1110 ppm, now raised to 1570 from batch number 118048
HPRDiesel>unchanged at 1220ppm
HPR Diesel 15>unchanged at 1220ppm

((Enviro+5W-30> 670 parts per million))

In summary,
If you are in a cool part of Australia and the engine was reconditioned
fairly recently then HPR Diesel 15 might be a good choice, otherwise HPR 30
or HPR Diesel -especially in the top end or if you have an engine that likes
to burn oil.

Regards,
Alan

A complete recommendation guide for all Penrite products for all makes and
models of vehicles,can be found at www.penriteoil.com.

If you require additional information regarding your enquiry contact us on
1300 PENRITE (736 748) or email us at .

The technical Team at Penrite Oil Company is continuously looking at ways
which we can improve, if there is anything we can do to

improve our services please feel free to email us at or
contacts us on 1300 PENRITE(736748)

The Technical Support Team

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