Fresh Oil = Quiet

[Graham Piccinini]

Was that the first oil change on that Vibe?

Idk. I purchased it at 90k. As I found after purchasing it - it was an ex-fleet vehicle.
It had a slight puff out of the tailpipe after sitting. Then I gave it lots of high mileage oil and Marvel Mystery Oil. It decreased the oil consumption greatly, eliminated the lifter tap, but unfortunately didn't do much for the heavy sludge. I sold that car soon after it hit 100k miles, as it started having other issues.

 

[camrydriver111]

Sound/vibration data needed. You do 5K changes with HPL on a 14 yo NA Accord with 270K miles? Why?

Oil is cheap, engines are expensive.

Even running HPL at 5k OCI is cheap insurance.

He's also going DOUBLE the OCI that top engine builders recommend. 2k or 3k, depending on who you ask.

 

[TiGeo]

Oil is cheap, engines are expensive.

Even running HPL at 5k OCI is cheap insurance.

He's also going DOUBLE the OCI that top engine builders recommend. 2k or 3k, depending on who you ask.

So why not 3K then?