Recent content by Phil C

I emailed the oil manufacturer, Penrite. They confirmed that the ratio between sodium and potassium in the coolant is 1:38 so as my ratio os 31:1 it seems unlikely that the sodium is coming from my coolant. They 'don't have' (or wouldnt release) the information on the oil. Perhaps i'll do...

Thanks for your comments. Hopefully I can find a sodium content in the manufacturers data somewhere, although the MSDS does not seem to have what I'm looking for. The exhaust elbow is 2years old and I have visually inspected (no sign of an issue).

Here is the coolant: https://penriteoil.com.au/products/red-oem-coolant-concentrate Here is the Oil: https://penriteoil.com.au/products/enviro-c3-5w-30-full-syn

Here is the test report.

First oil analysis on my VW Marine 150-5 TDI engine gave warning at 31ppm Sodium. Engine is 5cyl, 2.5L, Turbo intercooled approx 3300 hours, runs clean. Oil was 10hours old when sampled, sampling was an insurance requirement after the engine ingested some fresh water while stopped (another story...