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Originally Posted By: glennc If you look at the first UOA at 6ppm Si and the second at 29ppm, the Si per mile is basically identical, which is consistent with Si being common in break-in for tens of thousands of miles, mainly from sealants used in engine assembly. So I would not be so quick to...

Originally Posted By: widman The silicon is way too high. The way it works here, you want the dealer to rebuild your engine under warrantee? Most of them give me the oil to analyze. You show up with high silicon and a non standard air filter, forget the claim. Oil they won't quibble about, but...

"Why are you useing Amsoil when you are running 3,000 mile oil changes?" I am doing a 6 month OCI. I am not doing this based on mileage. I am just staying within what is required to keep my warranty intact.

"Do I detect a disconnect here?" Initially, I failed to let them know the viscosity and brand so they wrote that comment. I called them since there was no viscosity range on the report and gave them the oil brand and viscosity. They proceeded to type in the brand and viscosity and re-sent the...

"This is a new motor so change the oil and filter at 6 mos. Go back to the oem air filter. Good luck." Appreciate the advice.

"I would try a run with a paper AF and see if the Al and Si and Na go down." Why should Na (sodium) be lower? It is already at like 4.

Quote: "Look at your first analysis after only 600 miles - the high Cu is clearly characteristic of this engine while new. Expect it to dissipate over time .... You can't make a reasoned judgement on the K&N based ok these two analyses - I'd leave it on for now." Yeah, but what about the...

The first two UOA's were Royal Purple 5w-20. The third is Amsoil ASM 0w-20.

6 month OCI. Blackstone notes concern with copper. EaO 42 oil filter in place for this OCI. K&N air filter in place since 200 miles on vehicle. Blackstone suggests K&N filter might be the problem. I have removed K&N and installed OEM air filter.

Kept it under 7,500 for warranty purposes. Silicon hasn't improved much. K&N air filter has been in place since 2,000 miles on this vehicle.

Definitely sampled hot (I have a Fumoto valve) but not after a hard run. What engine issue would cause this amount of fuel to get into my oil?

This is my first official post. I have been reading this site for months. Very informative. I have a 2008 Sonata 3.3L. Bought it new in late November of last year. I drive a lot as is evidenced by the over 13,000 miles on it. My daily commute is 40 miles each way but I do plenty of other...