5,000 miles RedLine 5w-30. 2011 highly modded CTS-V

[Reverie]

Car has 58,000 miles. Car is a heads/cam/intake car with the cam being one of the most radical you can have (BTS Stage 3). Supercharger is heavily pullied and car runs almost exclusively on E85. Owned the car 3 years with all of the mods done prior to purchase. Valve spring life/other wear with the radical cam was the main reason for analysis. Anyone see anything off? The oxidation I imagine is because I did not report what oil I used. Is this something I can have done post report or would it have to wait on another sample?

Car is a toy that is driven once or twice a week and isn't a track car but is occasionally given full throttle, traction permitting.

 

[fantastic]

Ever considered a 5w-40?
There's some bearing material in this sample.
Is this GM engine E85 compatible?

 

[TiGeo]

Image quality is not great - can you repost it with better resolution?

 

[Reverie]

Image quality is not great - can you repost it with better resolution?

Sure thing.

 

[Reverie]

If this isnt better Ill just have to find a way to post the original pdf.

 

[buster]

From the little I can see, it looks great in terms of the viscosity. Remained in grade. Fe is good too. Al can be part of add pack but not sure if it is in RL. Pb is likely the interaction with the esters in RL and bearing material. At least that was a theory that was considered plausible for quite some time.

The oxidation is normal that is the ester base oil.

Which Red Line was this? Does not look like the regular HP 5w30. Moly and Mg are different.

 

[Rand]

The oxidation number is from the esters.
I would definitely think about going up a grade with the modified engine.

 

[Reverie]

From the little I can see, it looks great in terms of the viscosity. Remained in grade. Fe is good too. Al can be part of add pack but not sure if it is in RL. Pb is likely the interaction with the esters in RL and bearing material. At least that was a theory that was considered plausible for quite some time.

The oxidation is normal that is the ester base oil.

Which Red Line was this? Does not look like the regular HP 5w30. Moly and Mg are different.

Their standard 5w-30. The oil may have some significant age on it since it isnt driven all that often.

 

[Rand]

If this isnt better Ill just have to find a way to post the original pdf.

if you just zoom in and post a section it will show much bigger.
For example if you trimmed it and posted:
Obviously in my example the fidelity is bad because its a trimmed compressed twice image.

Bitog resizes and compresses so if you post a huge image with a bunch of junk space it makes it smaller etc.

 

[fantastic]

Image quality is not great - can you repost it with better resolution?

Here's the UOA w/ zooming in a bit more. Still makes me feel blinder than a bat.

 

[TiGeo]

I post mine by converting .pdf to .jpg with moderate resolution. Still not great.

 

[Nathan]

I'd go with the 5w40 or 5w50.