If I saw a 10PSI drop or even a 5PSI drop in HotOP from 15w-40 to
10w-40 or even 0w-40 I would Kiss that OilManufacture Goodby in a
HeartBeat.

                                                                        ORR ~ DeanB

On 14 Mar , 2013, at 8:52 AM, Don Hanson wrote:

> So, what is "too much" oil pressure in a waterboxer?  mcneely
>
>
> And, what is too much oil pressure in an inline VW motor?  (ABA
> Jetta 2.0
> liter)
>
> Mine, using 15-40 starts up cold with (3000rpm) 75-80psi, then when
> up to
> normal oil temp (~200f) the pressure settles at around 60-65psi
> (again,
> given a 3000rpm engine speed)  I've wondered about the seemingly
> pretty
> high cold oil and engine oil pressure...
>
>   After hard use on a hot day, my idle OP sits at about 25psi with the
> 15-40w oil.    When I use 10-40 or 10-30, I see about 10psi lower at
> speed
> and a few psi lower at idle when hot.