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Hi folks, New UOA on my watercooled 911 997 3.8 Porsche year 2005. Valvoline Synpower 5W-40 OCI: 3600 miles and 5 months of winter storage without starting the engine at all. Oil filter: Royal Purple 10-2835 and LN engineering spin-on oil filter adapter and Low.temp. thermostat. Heavy track day...

Hi folks, New UOA on my watercooled 911 997 3.8 Porsche year 2005 Valvoline Synpower 5W-40: 4700 miles and 5 months of winter storage without starting the engine at all. Oil filter: Royal Purple 10-2835 and LN engineering spin-on oil filter adapter and Low.temp. thermostat. Heavy track day use...

Hi folks, New UOA on my watercooled 911 997 3.8 Porsche year 2005 Valvoline Synpower 5W-40: 4400 miles and 5 months of winter storage without starting the engine at all Oil filter: Royal Purple 10-2835 and LN engineering spin-on oil filter adapter and Low.temp. thermostat. No track use this...

Any toughts ? My lab contact said the oil was shot, low viscosity

Hi folks, New UOA on my watercooled 911 997 3.8 Porsche year 2005 Valvoline Synpower 5W-40: 5900 miles and 5 months of winter storage without starting the engine at all Oil filter: Royal Purple 10-2835 and LN engineering spin-on oil filter adapter Low.temp. thermostat Heavy track use. Total...

Hi folks, New UOA on my watercooled 911 997 3.8 Porsche year 2005 Valvoline Synpower 5W-40: 5700 miles and 5 months of winter storage without starting the engine at all Oil filter: Royal Purple 10-2835 and LN engineering spin-on oil filter adapter Low.temp. thermostat Heavy track use and...

Hi folks, New UOA on my watercooled 911 997 Porsche year 2005 Valvoline Synpower 5W-40: 6600 miles and 5 months of winter storage without starting the engine at all Oil filter: Royal Purple 10-2835 and LN engineering spin-on filter adapter Heavy track use Total miles on the engine: 89000...

Hi folks, New UOA on my watercooled 911 997 Porsche year 2005 Valvoline Synpower 5W-40 6000 Miles Total miles on the engine: 82000 miles Little high on Nitration, should i be concerned? And what about the Viscosity? All other values seems to be fine.

Just startet to make a trend on my car, 3 Different Oils, Biltema is from a quite large company operating over here in Scandinavia, and they specialise in "cheap" car DIY items, it have all the approvals API SN, ACEA A3/B4, Porsche A40, they buy the oil from a large provider in the UK, the blue...

Last oil analysis showed a nitration Level at 25 A/cm.. the oil have 6000 miles on it, just a standard 5W-40 syntetic oil. My question is, should i be concerned? The lab told me: "Some nitration... Just change the oil"

Hello I am planning to use QMI engine treatment on my next oil change for my 911 carerra S, Do anyone have experience With this stuff? A local dealer here in Norway highly recommend it for me, but i am a little sceptic, i change oil every 800 miles and uses Valvoline Synpower 5W-40 and Royal...