Join Date: Oct 2001
Location: Momence, IL 60954
The pennzoil and quaker state oils I tested had a difinitive 'burnt' smell a.k.a. recycled base stock, so the sludge comment doens't suprise me there.
Charles Navarro, LN Engineering
Aircooled Precision Performance
'99 Boxster powered by Flat 6 Innovations; '10 Cayman S (DFI testbed)