HPL PCEO 5w-30 7.6k mi; stock 02 Corvette LS1

[jetman]

80% hwy, 20%local, I never drive aggressively. 27 mpg hwy, 23 local.
It needed 1 makeup qt 3800 miles into this oci. This is an improvement.
Catch can had 1 oz in it.
I did have the valve covers off and installed new shorter pushrods to get lifter preload right.
Based on voa reports I've found about this oil, virgin Silicon is around 10 to 15 so not an issue (new air filter < 9k miles ago), and virgin viscosity is 10.2 to 10.7 so not an issue.
Can anybody comment about the TAN#?

My plan is to put another 2000 miles on this oil soon unless somebody has a good reason not to?? then probably change to HPL PPCEO 5w-30.

#1 – 3/23 = unknown oil and oci miles (new to me car)
#2 – 3/24 = Mix of VPB”Restore” & M1 Euro
#3 – 10/24 = Mix of VPB”Restore” & M1 Euro
#4 – 8/25 = HPL PCEO 5w-30

What say you?

 

[buster]

Looks good to me. Nice TBN reserve, TAN is relatively low, viscosity perfect. I'd stay with it.

 

[fantastic]

Can anybody comment about the TAN#?

We need VOA that shows TAN & TBN.

My plan is to put another 2000 miles on this oil soon unless somebody has a good reason not to?? then probably change to HPL PPCEO 5w-30.

Like it shows the Tin is elevated but may stay stable for another 2k. Si is getting close to condemnation. But again, 2k may be just fine. Do you plan to retest again at 9.6k or just plan to change?

What say you?

Is this HPL's PCMO a non euro right?

 

[jetman]

Si is getting close to condemnation.

Since virgin is 10-15 I don't see a problem

Is this HPL's PCMO a non euro right?

its non euro

Thanks

 

[rstcso]

Here's a recent VOA for this oil.

 

[jetman]

@rstcso
yes I've seen it 10, and another report that is 13, and another that is 15.
This oil was purchased in late 2023.

 

[RDY4WAR]

The report looks good. I would be confident in going 12k miles for the next sample.

 

[Pablo]

@rstcso
yes I've seen it 10, and another report that is 13, and another that is 15.
This oil was purchased in late 2023.

All the same

 

[FZ1]

80% hwy, 20%local, I never drive aggressively. 27 mpg hwy, 23 local.
It needed 1 makeup qt 3800 miles into this oci. This is an improvement.
Catch can had 1 oz in it.
I did have the valve covers off and installed new shorter pushrods to get lifter preload right.
Based on voa reports I've found about this oil, virgin Silicon is around 10 to 15 so not an issue (new air filter < 9k miles ago), and virgin viscosity is 10.2 to 10.7 so not an issue.
Can anybody comment about the TAN#?

My plan is to put another 2000 miles on this oil soon unless somebody has a good reason not to?? then probably change to HPL PPCEO 5w-30.

#1 – 3/23 = unknown oil and oci miles (new to me car)
#2 – 3/24 = Mix of VPB”Restore” & M1 Euro
#3 – 10/24 = Mix of VPB”Restore” & M1 Euro
#4 – 8/25 = HPL PCEO 5w-30

What say you?

View attachment 295453

Looks good. Easy drivin' miles.

 

[SubieRubyRoo]

We need VOA that shows TAN & TBN.

Like it shows the Tin is elevated but may stay stable for another 2k. Si is getting close to condemnation. But again, 2k may be just fine. Do you plan to retest again at 9.6k or just plan to change?

Is this HPL's PCMO a non euro right?

Say it with us, tin is from the molybdenum. Been covered in many threads.

 

[FZ1]

Say it with us, tin is from the molybdenum. Been covered in many threads.

Is Tin from the moly? I looked at some Valvoline (high moly) OAs and did not notice a lot of tin.

 

[SubieRubyRoo]

Specific types of moly. The cheap stuff doesn’t show up as Tin.