2004 V70 2.5T with 104K miles – Engine Sludge

Engine Sludge -

cn90 »  The car is 2004 V70 2.5T with 104K miles. All maintenance up-to-date (Timing Belt at 95K, PCV etc.). Car was serviced exclusively at Volvo dealer. I am the 3rd owner. – Car has slight lifter noise (more than my 2005 XC90 2.5T with 115K, which has exactly the same engine), but overall runs fine, good […]

Awful, Very Bad Terrible Engine Oil Sludge

This is the winner of the Worst Engine Oil Sludge Ever™ seen on MVS. It’s from a 5k change interval with Mobil 1 synthetic. Miles: 165K, car: 2001 Volvo S60, fresh filter with prior oil change. Owner Dave says there are no additives involved, and he’s had the car for around 30k miles. We’re scratching […]

Five quarts of synthetic oil + filter, $24

Valvoline SynPower Synthetic Motor Oil

Five quarts of synthetic oil and a filter for $24 ain’t bad, but you have to deal with a mail-in rebate. Good until October 15. Advance Auto Parts is running some specials as part of some silly celebration for being online for 2 whole years. TWO YEARS?! Whoo. 😉 I’d do a bunch of research […]

Percent of Synthetic in Semi-Synthetic Oil?

Question: Off the shelf semi syn. oil, is blended to a specific ratio. Does anyone know that ratio. I plan to start to convert the LPT C70 to a blend this coming summer. By picking up a gallon of each when they are on special, I’ll always have oil for the Volvo running semi or […]