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  1. R

    What's the longest you would run oil?

    In my '96 Ford Powerstroke diesel I go 25k between changes using Amsoil S3000 5W-30 with an amsoil BE110 by-pass filter. I also use an engine-saver pre and postluber oil pump to prevent dry starts and oil coking in the turbo bearings. I've been doing it this way since the truck had 23.5k on the...
  2. R

    Amsoil synthetic in a Toyota 22RE ?

    Pablo, I'm not sure what he meant by scuff wear concerns, but he seemed to also indicate that the oil film thickness would not be enough for the how the cam followers are designed. Would this affect lift and duration ? The engine needed a rebuild because a company in Las Vegas did some head work...
  3. R

    Amsoil synthetic in a Toyota 22RE ?

    Guys, I just had my 1985 Toyota's 22RE rebuilt. I was thinking of going to Amsoil's 10W-30 sythetic after break-in, but the guy who rebuilt the engine (very respected in west Texas) advised against it due to the cam follower design. He mentioned scuff wear and a few other things and said that he...
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