Thanks Dennis - as always it is good to get your feedback.  FWIW, I am
currently running Castrol GTX 20W 50.

BT

On Tue, Jun 22, 2021 at 2:19 PM Dennis Haynes <d23haynes57@hotmail.com>
wrote:

> You wont loose much oil removing the relief plug. Less if only removing
> the 1/8 npt sensor. For things that matter thread tape as a sealant is
> avoided except for larger fittings known to have very poor cut threads. For
> this application most any pipe sealant or Permatex type stuff will work and
> the threads will ground just fine.
>
> For a healthy engine including Waterboxer oil pressure even at temperature
> should be close to 10 psi/1,000 rpm. Wear limit is considered 28 psi @
> 4,000 rpm. Choice of oil viscosity and other factors can change this.  The
> dynamic oil pressure warning system will sound the buzzer at less than ~13
> psi @ 2,000 rpm.
>
> Dennis
>
>
> >
> >
>