I'm sure I'll get corrected if I'm wrong, but the problem with cold oil is
not too much pressure, but the difficulty of the thick oil getting into the
tiniest of spots that need lubrication.  This may equate to "too high"
pressure, but is suspect, not necessarily so.

Karl Wolz

|-----Original Message-----
|From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com]
|On Behalf Of Rocket J Squirrel
|Sent: Friday, July 29, 2011 2:01 PM
|To: vanagon@GERRY.VANAGON.COM
|Subject: Re: Secret tune-up / service item on 1.9 waterboxer engines.
|
|Thanks, Michael. I had the feeling that this point -- today's
|oils be mo bettah that those of days of yore -- pretty much
|covers the matter. I do use Mobil 15W-50, like many here.
|
|I suppose that now that I are the proud new owner of an oil
|pressure gauge, I can use it to determine whether the oil is
|doing its work.
|That's kinda-sorta the bottom line, isn't it? That the oil
|pressure be not too high when things are cold, and not too low
|when it's bakey outside?
|
|--
|RJS
|
|On 07/29/2011 01:56 PM, Michael Snow wrote:
|> On 7/29/11 4:44 PM, Rocket J Squirrel wrote:
|>> recommended oils
|>> chart in his 1984's owner's manual ("Lubricants," p. 54) and
|>> wondering what the right viscosity is for conditions where the
|>> nighttime lows are in the mid-40's (F) and the daytime
|highs are in the mid-90's.
|>
|> I think it is important to understand that the engine oils available
|> when the 1984 owner's manual was printed are very different
|from those
|> available today. On the premise that 5 Vanagons constitute a
|"fleet,"
|> I have standardized on Shell Rotella T6 5W-40, available at my local
|> Wally World, for fleet use in my diesel, TiiCo, and
|waterboxers. If I
|> had only a single waterboxer, which seems to be the most common
|> predicament, I would use Mobil1 15W-50.
|-----
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