 Porsche Classic 20w50 Motor Oil |
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| Geezer914 |
 Sep 17 2022, 06:58 AM
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Geezer914  Group: Members Posts: 1,445 Joined: 18-March 09 From: Salem, NJ Member No.: 10,179 Region Association: North East States 
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Anyone using Porsche Classic 20w50 motor oil? If so have you noticed any changes to cooling or oil pressure?
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| nathanxnathan |
Sep 19 2022, 01:47 PM
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#2
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Member Group: Members Posts: 291 Joined: 16-February 18 From: Laguna Beach, CA Member No.: 21,899 Region Association: Southern California |
I used Castrol GTX 20w50 for years and years, but I was having a lot of issues with foam on my filler cap. It's said that will happen if you don't drive enough to get the oil hot enough to evaporate the water out of it, but I drive about 25 miles to and another 25 from work every weekday and it was still an issue. Thermostat and cooling flaps are working.
I've switched to Valvoline racing high zinc 20w50 and it seems better. Both are available at my flaps. Edit, I checked it out, and it's not synthetic. Also it does mention vaguely some engineering done to minimize condensation, and also "high alkaline reserve" to neutralize acidification caused by "aggressive combustion residues". |
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Posts in this topic
Geezer914 Porsche Classic 20w50 Motor Oil Sep 17 2022, 06:58 AM
Geezer914 Bump. Sep 18 2022, 12:58 PM 930cabman It sounds expensive. I have used Castrol 20W 50 fo... Sep 18 2022, 01:19 PM windforfun
Anyone using Porsche Classic 20w50 motor oil? If... Sep 18 2022, 03:13 PM krazykonrad I wonder if the oil is really a special formulatio... Sep 18 2022, 03:36 PM
DennisV
I wonder if the oil is really a special formulati... Sep 19 2022, 01:28 PM kerensky Where would one buy this stuff? Mail order? Sep 19 2022, 02:13 PM nathanxnathan
Where would one buy this stuff? Mail order?
I ... Sep 19 2022, 02:21 PM |
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