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I suspect that the aluminum spike I saw last time was from 5 track sessions at COTA in 100F+ temperatures. I probably should have changed the oil right after, but moved across the country and didn't have the space or tools. I ultimately ended up doing another ~1500 miles on the track oil...

‘16 Ford Shelby GT350R Out: Motorcraft 5W-50/OEM filter In: Motorcraft 5W-50/OEM filter OCI: ~2000 miles / 1 year

Originally Posted by CJs06 I was still on the factory fill oil that came in the engine at 5000 miles when the bearing spun. I have a 2016 GT350R with almost 5000 miles on it. About 250 of those miles are on track, including COTA in June with and ambient temperature well over 100F. When new, my...

Originally Posted By: Stevie You track dayed at The Circuit of the Americas! WOW! You lucky dog! That had to be a blast! How fast did you get going down that long straight? I just saw the MotoGp bikes there a few weeks ago and they were almost doing 220 MPH. It was AWESOME! My GPS says I hit...

Originally Posted By: jaj Did you top up with a different brand of oil at some point? MC 5w-50 has (in order to meet the Ford spec) less than 800 ppm of phosphorus. You're reading elevated phosphorus and zinc. I did not, but the car was serviced by Ford for an oil cooler line recall. That...

Originally Posted By: racin4ds You only have ~2000 miles on the car??? if so an analysis like this isn't even close to accurate yet. The engine is still breaking in!! 4300 on the engine, 2083 on the oil. But agree, it’s not broken in yet.

Hey gurus, I'd love your input on the UOA above. It took almost a year to rack up those 2083 miles. Shortly after the last change the change the Shelby saw 5 ~25 minute sessions at Circuit of the Americas where the ambient temperature peaked at over 100F.

Originally Posted By: m37charlie It is pretty thin, probably 0W20 FE oil. It's supposed to be a 5W-30. It's not impossible that the dealer put 0W-20 in it if that's what the dealer had lying around.

So BITOG crew, this doesn't look too good. This is my new 2015 BMW 328d. The car sat unsold for a year but the dealer did change the oil (I have the records) shortly before I bought it. For good measure I replaced the engine air filter. Thoughts?

I sent OP over here form the GT350 forum. I told him, "Those guys know everything." Now back on topic!

Awesome info, all. Thank you!

We just bought a new Volvo XC90 T6 with Volvo's Drive-E 2.0 4-cylinder turbo/supercharged engine. So far, the engine is a gem. Even Ward's thinks so and has added it to the is year's top-10 list. The issue of oil for the Drive-E seems a specific problem in the USA. The USA-spec user manual...

Originally Posted By: JHZR2 That's an odd jump, from Porsche and Lexus to used for less than $15k. Maybe for some, but not for us. We postponed having kids and instead traveled the planet while we were young and healthy and wealthy (40+ countries, lived and worked in 3 of them). Now our...

Originally Posted By: tomcat27 you don't say how many people you are looking to haul - but the following choices come to mind: Toyota Sienna, Toyota Highlander, HOnda Pilot Sorry, 4-5 on average with room to spare is the goal. I also have a strong preference for something SUV or minivan from a...

Hey all, My family has decided to get rid of the Porsche and the Lexus and replace both with a highly reliable and utilitarian family car. I want something I don't have to think about save for routine maintenance. We need something bigger than our current Jetta SportWagen and are considering...

Just curious to know which lab did the "Spicer Report" testing. I seem to recall that they're in San Antonio but have been able to find a reference. Any input is much appreciated.

Originally Posted By: Andy636 You should be absolutely fine and be more worried about driving the car on fumes like you did...modern fuel pumps just hate running on an empty fuel tank I'm never listening to my wife again. She kept pushing to keep driving as the baby sleeps when we move, she...

Originally Posted By: Donald I would have pushed the vehicle to the diesel pump! It was uphill at enough of an incline that it wasn't gonna happen even with all three of us pushing! Originally Posted By: Donald Not blaming you, but it seems like you pulled up to the wrong set of pumps? Or why...

Originally Posted By: Kuato However as a caring BITOGer, I noticed you have factory fill listed in your Sig, with 20k on the vehicle....? Thanks for the concern! Actually, it was changed at 10K by the dealer with the Castrol that VW requires. So, dealer fill?

Thanks to all for the replies! I think I'm good, but given the failures of VW Common Rail HPFSs even under nominal situations I remain a bit paranoid. Doing a bit of math: The Jetta has a 14.7 gallon tank - 1 gallon of D2 - 12.9 gallons of D2 - 0.25 gallons of B100 = 0.55 gallons of "other"...