Recent content by thatunknownguy

They use 0w-20 and it's very possible for those engines to fail from adding thicker oil. The FA20s VVT is very flawed. Adding thicker oil will cause the oil lock pin inside to keep it from advancing due to "low oil pressure" and whenever that happens, the springs end up breaking and you have to...

I know this is an old thread, but I'd like to give some feedback from personal experience. First of all, nearly all VVT engines are extremely sensitive to anything other than manufacturer recommended oils. I know this from experience. Subaru engines are probably the most sensitive. I have a...