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My grandmother was an antique dealer/collector. She owned this painting until she passed in 2002. Then my dad keep it until last month when he passed. I remember seeing it in the late 80s. She kept it in a drawer of an old dresser. She told me it was John Wilkes Booth. Then in the 90s, the...

I read on this site that when you change your oil, the fresh oil detergents competes/cleans off some of the AW additives that the previous oil left behind. Would using an oil that was not "Extended or Annual" for a short OCI such as 5.000miles be better for the typical auto engine wear as long...

How does the CVT chain (in normal operation) not slip on the smooth pulleys? Metal to metal contact? Is it the fluid that gives it friction? Boundary layer? Layman terms please (I have read/watched many articles and videos, still stumped. The variable pulleys use high hydraulic pressure to...

Does Dexox1 Gen2 suppose to lower timing chain wear? Or just for LSPI?

Never heard of one. Only heard of a single psi relief valve. In my 2016 Subaru Outback 2.5L Shop Manual (in pdf form), under General Description Specifications of the oil pump, it reads the following. Oil Pump: Relief valve working pressure (2-step relief) 1st opening pressure 21.7 psi Main...

Not sure this image was produced by Subaru. The interesting bullet point is "Pleated media has variable density paper". I have cut open a new Subaru 15208AA15A oil filter and rolled out the paper media. Used a single LED pin light behind the media and moved it up and down (top to bottom of the...

Been using PUP 5w30 since new and oem filter. Oil changes @ 1500, 3000, 5000, 10000, 15000 Blackstone remarks: Subaru might call for 0W/20 oil, but we don't see any issues as a result of having 5W/30 in place instead. This oil is working well for your FB25 engine, as you can see by the amount...

Been searching for Pennzoil Platinum Axle 75W-90 GL-5 online and local stores. Only place I've come across is on Ebay for 12-1qt. bottles and that seller seems to be dealing in surplus oils. Want 3qts. Appreciate any help.

Was wondering if when a car manufacture test their engines for CAFE, do they have to use a specific engine oil(s)? Example: If the engine passes on 0w20, does that 0w20 have to meet an exact base stock, additives, cst? Or can any approved 0w20 be used in CAFE testing? Such as the thickest or...

Which Mobil1 Flows Better At 0 Degrees Fahrenheit? The same, different or not enough info? Comparing only the two below. Mobil 1 AFE 0W-30 Viscosity @ 100ºC, cSt (ASTM D445) 10.9 Viscosity, @ 40ºC, cSt (ASTM D445) 62.9 Viscosity Index 166 Sulfated Ash, wt%, (ASTM D874) 0.9 HTHS...

I read a lot here on BITOG that bypass valves in oil filters rarely open. According to this Fram video, it cycles 25-30,000 times during the life of a vehicle. I think he meant per oil filter, due to they test them for 1,000,000 cycles. Fram Video: https://www.youtube.com/watch?v=cttLaWepdL0...

Hello! Been lurking daily for 9+ years. Just Joined. My 2015 Subaru Forester 2.5i 6spd that was purchased 4/14 says to use 0w-20 synthetic only in the owners manual. When first purchased I checked the Mobil 1 oil site. It also said 0w-20. Just check the site a few days ago, site has changed...