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A few months ago I got a message inviting me to the Pennzoil UOA test program. I got the welcome box, but never received the second batch of oil. Do I need to do anything to get the second box of oil shipped out?

Howdy! I have always used a good synthetic and Fram Ultra Guard for longer OCIs in my other vehicles... but I just bought a 2013 Focus ST, which is a turbo engine using 5w-30. What filter would be best for 7,500 OCIs? Would a high efficiency filter like the Fram Ultra Guard limit oil flow too...

I have a 2013 Focus ST with turbo DI engine, and prefer Penzoil Ultra Plat for the additional cleaning performance. However, I can't seem to find the Ultra Plat in stock anywhere! Why is it gone, and does anyone know of a place to pick it up online in the USA? (Preferably cheaply) Thanks!

Howdy! I have a Ford Focus 2005 with 160,000 miles. It doesn't use a single drop of oil, even over 10,000 mile OCIs. Would you recommend Mobil 1 High Mileage 5w-20, or Mobil 1 Advanced (the fuel economy stuff) 0w-20? I plan to keep doing 10,000 mile OCIs. Some people on BITOG seem to think...

Howdy! I've long been looking for an objective 3rd party study that tests the performance, cleaning, mpg, and other aspects of the various unleaded fuels available, as well as a pure petroleum "in-house-refined" product with no additives whatsoever as a control. The information that I've been...

Howdy all! After spending hours on BITOG, I decided on Mobil 1 0w20 synthetic and a Fram Ultra Synthetic filter. I also added LiquiMoly additive. I have a 2005 Ford Focus with a 2.0 Duratec engine and 120,000 miles. My question is this: I've put 8,500 miles in 7 months on this combo with daily...